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<!DOCTYPE html>

<title>Conversion des unités</title>

</head>

<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Conversion des unités</span></h1>

</header>

</div>

<p>La <b>conversion des unités</b> est un ensemble d'opérations ou de tables qui permet de connaître les équivalences entre plusieurs <a href="Syst%C3%A8me_d'unit%C3%A9s" title="Système d'unités">systèmes d'unités</a>, ou entre plusieurs <a href="Multiple_(math%C3%A9matiques)" title="Multiple (mathématiques)">multiples ou sous-multiples</a> d'une même <a href="Unit%C3%A9_de_mesure" title="Unité de mesure">unité</a>.

</p><p>Cet article se focalise sur les équivalences entre les unités du <a href="Syst%C3%A8me_international_d'unit%C3%A9s" title="Système international d'unités">Système international</a> (SI) et les <a href="Unit%C3%A9s_de_mesure_anglo-saxonnes" title="Unités de mesure anglo-saxonnes">unités de mesure anglo-saxonnes</a>.

</p>

<div class="mw-heading mw-heading2"><h2 id="Légende"><span id="L.C3.A9gende"></span>Légende</h2></div>

<p>Les signes suivants sont utilisés dans la suite de l'article :

</p>

<ul><li>≡ : <a href="%E2%89%A1" class="mw-disambig" title="≡">définition</a> ;</li>

<li>= : <a href="Signe_%C3%A9gal" title="Signe égal">exactement égal</a> ;</li>

<li>≈ : <a href="Approximation" title="Approximation">approximativement égal</a>.</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Longueur">Longueur</h2></div>

<p>L'unité de base de <a href="Longueur" title="Longueur">longueur</a> dans le <a href="Syst%C3%A8me_international_d'unit%C3%A9s" title="Système international d'unités">Système international</a> est le <a href="M%C3%A8tre" title="Mètre">mètre</a> (symbole m).

</p>

<div class="mw-heading mw-heading3"><h3 id="Quelques_multiples_et_sous-multiples_du_mètre"><span id="Quelques_multiples_et_sous-multiples_du_m.C3.A8tre"></span>Quelques multiples et sous-multiples du mètre</h3></div>

<th>unité

</th>

<th>kilomètre (km)

</th>

<th>hectomètre (hm)

</th>

<th>décamètre (dam)

</th>

<th>mètre (m)

</th>

<th>décimètre (dm)

</th>

<th>centimètre (cm)

</th>

<th>millimètre (mm)

</th>

<th>µm

</th></tr>

<tr>

<td>km

</td>

<td>1

</td>

<td>10

</td>

<td>100

</td>

<td>1 000

</td>

<td>10 000

</td>

<td>100 000

</td>

<td>1 000 000

</td>

<td>1 000 000 000

</td></tr>

<tr>

<td>hm

</td>

<td>0,1

</td>

<td>1

</td>

<td>10

</td>

<td>100

</td>

<td>1 000

</td>

<td>10 000

</td>

<td>100 000

</td>

<td>100 000 000

</td></tr>

<tr>

<td>dam

</td>

<td>0,01

</td>

<td>0,1

</td>

<td>1

</td>

<td>10

</td>

<td>100

</td>

<td>1 000

</td>

<td>10 000

</td>

<td>10 000 000

</td></tr>

<tr>

<td>m

</td>

<td>0,001

</td>

<td>0,01

</td>

<td>0,1

</td>

<td>1

</td>

<td>10

</td>

<td>100

</td>

<td>1 000

</td>

<td>1 000 000

</td></tr>

<tr>

<td>dm

</td>

<td>0,000 1

</td>

<td>0,001

</td>

<td>0,01

</td>

<td>0,1

</td>

<td>1

</td>

<td>10

</td>

<td>100

</td>

<td>100 000

</td></tr>

<tr>

<td>cm

</td>

<td>0,000 01

</td>

<td>0,000 1

</td>

<td>0,001

</td>

<td>0,01

</td>

<td>0,1

</td>

<td>1

</td>

<td>10

</td>

<td>10 000

</td></tr>

<tr>

<td>mm

</td>

<td>0,000 001

</td>

<td>0,000 01

</td>

<td>0,000 1

</td>

<td>0,001

</td>

<td>0,01

</td>

<td>0,1

</td>

<td>1

</td>

<td>1 000

</td></tr></tbody></table>

<p>D'autres <a href="Pr%C3%A9fixes_du_Syst%C3%A8me_international_d'unit%C3%A9s" title="Préfixes du Système international d'unités">préfixes normalisés</a> permettent d'obtenir des ordres de grandeurs plus grands ou plus petits.

</p>

<div class="mw-heading mw-heading3"><h3 id="Équivalences_entre_SI_et_mesures_anglo-saxonnes"><span id=".C3.89quivalences_entre_SI_et_mesures_anglo-saxonnes"></span>Équivalences entre SI et mesures anglo-saxonnes</h3></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre</a></td>

<td><a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">metre</a> (GB)<br><a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">meter</a> (US)</td>

<td>m

</td>

<td>1 m = 39,370 08 pouces <br> 1 m = 3,280 840 pieds<br> 1 <abbr class="abbr" title="mètre">m</abbr> = 1,093 613 verges

</td></tr>

<tr>

<td><a href="Centim%C3%A8tre" title="Centimètre">centimètre</a></td>

<td>cm

</td>

<td>1 cm = 0,01 m<br> 1 cm = 0,393 700 8 po

</td></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">fermi</a> ou femtomètre</td>

<td> 

</td>

<td>= 10<sup>-15</sup> m

</td></tr>

<tr>

<td><a href="Siegbahn" title="Siegbahn">siegbahn</a></td>

<td>xu

</td>

</td></tr>

<tr>

<td><a href="Stigma" title="Stigma">stigma</a></td>

<td>stigma</td>

<td> 

</td>

<td>= 10<sup>-12</sup> m = 1 pm

</td></tr>

<tr>

<td><a href="%C3%85ngstr%C3%B6m" title="Ångström">ångström</a></td>

<td>Å

</td>

<td>= 10<sup>-10</sup> m = 0,1 nm

</td></tr>

<tr>

<td><a href="Microm%C3%A8tre" title="Micromètre">micromètre</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</td>

<td>≡ 10<sup>-6</sup> m = 1 µm

</td></tr>

<tr>

<td>twp

</td>

<td>= 1/1 440 po<br> ≈ 17,639 μm

</td></tr>

<tr>

<td>mil

</td>

<td>= 0,001 po<br> = 25,4 μm

</td></tr>

<tr>

<td>mickey</td>

<td> 

</td>

<td>=1/200 po<br> = 0,127 mm

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/calibre" class="extiw external" title="en:calibre">calibre</a></td>

<td>cal

</td>

<td>= 1/100 po<br> = 0,254 mm

</td></tr>

<tr>

<td><a href="Ligne_(unit%C3%A9)" title="Ligne (unité)">ligne</a></td>

<td>ln

</td>

</td></tr>

<tr>

<td><a href="Ligne_(unit%C3%A9)" title="Ligne (unité)">ligne</a> (Paris)</td>

<td>l

</td>

</td></tr>

<tr>

<td><a href="Grain_(unit%C3%A9)" title="Grain (unité)">grain d'orge</a></td>

<td>barleycorn</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Doigt_(unit%C3%A9)" title="Doigt (unité)">doigt</a></td>

<td>finger</td>

<td> 

</td>

<td>= 7/8 po<br> = 22,225 mm

</td></tr>

<tr>

<td><a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a></td>

<td>po

</td>

<td>= 2,54 cm

</td></tr>

<tr>

<td><a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a> (Français)</td>

<td>pof

</td>

</td></tr>

<tr>

<td>stick</td>

<td> 

</td>

<td>= 2 po<br> = 50,8 mm

</td></tr>

<tr>

<td> 

</td>

<td>= 2 1/4 po<br> = 57,15 mm

</td></tr>

<tr>

<td><a href="Paume_(unit%C3%A9)" class="mw-redirect" title="Paume (unité)">paume</a></td>

<td> 

</td>

<td>= 3 po <br> = 76,2 mm

</td></tr>

<tr>

<td> 

</td>

<td>= 4 po <br> = 101,6 mm

</td></tr>

<tr>

<td><a href="Doigt_(unit%C3%A9)" title="Doigt (unité)">doigt</a> (tissu)</td>

<td>finger (cloth)</td>

<td> 

</td>

<td>= 4 1/2 po <br> = 114,3 mm

</td></tr>

<tr>

<td><a href="Empan" title="Empan">empan</a></td>

<td> 

</td>

<td>= 6 po <br> = 152,4 mm

</td></tr>

<tr>

<td><a href="Cha%C3%AEne_(unit%C3%A9)" title="Chaîne (unité)">chaînon</a></td>

<td>chon

</td>

<td>= 7,92 po<br> = 0,201 168 m

</td></tr>

<tr>

<td><a href="Cha%C3%AEne_(unit%C3%A9)" title="Chaîne (unité)">chaîne</a></td>

<td><a href="https://en.wikipedia.org/wiki/chain_(length)" class="extiw external" title="en:chain (length)">chain</a></td>

<td>ch

</td>

<td>= 100 chon<br> = 61,928 22 pif<br> = 66 pi <br> = 20,116 8 m<br> = 4 rd

</td></tr>

<tr>

<td><a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied</a> (Anglais)</td>

<td>pi

</td>

<td>= 12 po<br> = 0,304 8 m

</td></tr>

<tr>

<td><a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied</a> (Français)</td>

<td>pif

</td>

<td>= 0,324 840 6 m<br> = 1,065 75 pi<br> = 12,789 po

</td></tr>

<tr>

<td><a href="Coud%C3%A9e" title="Coudée">coudée</a></td>

<td><a href="https://en.wikipedia.org/wiki/cubit" class="extiw external" title="en:cubit">cubit</a></td>

<td> 

</td>

<td>= 18 po<br> = 0,457 2 m

</td></tr>

<tr>

<td> 

</td>

<td>= 2 1/2 pi<br> = 0,762 m

</td></tr>

<tr>

<td><a href="Yard" class="mw-redirect" title="Yard">verge</a></td>

<td>vg

</td>

<td>= 3 pi<br> = 0,914 4 m

</td></tr>

<tr>

<td> 

</td>

<td>= 45 po<br> = 1,143 m

</td></tr>

<tr>

<td><a href="Aune" title="Aune">aune</a> (Français)</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Pas_(unit%C3%A9)" title="Pas (unité)">pas double</a></td>

<td><a href="https://en.wikipedia.org/wiki/pace_(measurement)" class="extiw external" title="en:pace (measurement)">double pace</a>; millimile</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Brasse_(unit%C3%A9_de_mesure)" class="mw-redirect" title="Brasse (unité de mesure)">brasse</a>; <a href="Toise" title="Toise">toise</a> marine</td>

<td><a href="https://en.wikipedia.org/wiki/fathom" class="extiw external" title="en:fathom">fathom</a></td>

<td>fm

</td>

<td>= 6 pi <br> = 1,828 8 m<br> (parfois = 1/1 000 NM = 1,852 m)

</td></tr>

<tr>

<td><a href="Toise" title="Toise">toise</a> (Français)</td>

<td>T

</td>

</td></tr>

<tr>

<td>rd

</td>

<td>= 16 1/2 pi<br> = 15,482 05 pif<br> = 5,029 2 m<br> = 0,25 ch

</td></tr>

<tr>

<td><a href="Perche_(unit%C3%A9)" title="Perche (unité)">perche</a></td>

<td>per

</td>

<td>= 18 pif <br> = 19,183 5 pi<br> = 5,847 130 8 m

</td></tr>

<tr>

<td><a href="Corde_(unit%C3%A9)" title="Corde (unité)">corde</a></td>

<td>cde

</td>

<td>= 20 pi <br> = 6,096 m

</td></tr>

<tr>

<td><a href="Arpent" title="Arpent">arpent</a></td>

<td>arp

</td>

<td>= 180 pif <br> = 10 per<br> = 191,835 pi<br> = 58,471 308 m

</td></tr>

<tr>

<td><a href="Encablure" title="Encablure">encablure</a></td>

<td><a href="https://en.wikipedia.org/wiki/cable_length" class="extiw external" title="en:cable length">cable length</a></td>

<td> 

</td>

<td>= 1/10 NM <br> = 185,2 m

</td></tr>

<tr>

<td><a href="Encablure" title="Encablure">encablure (Royal Navy)</a></td>

<td>cable length (imperial)</td>

<td> 

</td>

<td>= 608 pi <br> = 185,318 4 m

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/furlong" class="extiw external" title="en:furlong">furlong</a></td>

<td>fur

</td>

<td>= 660 pi<br> = 10 ch<br> = 220 vg<br> = 201,168 m

</td></tr>

<tr>

<td><a href="Encablure" title="Encablure">encablure (US Navy)</a></td>

<td>cable length (U.S.)</td>

<td> 

</td>

<td>= 720 pi<br> = 219,456 m

</td></tr>

<tr>

<td><a href="Mille_(unit%C3%A9_de_longueur)" class="mw-redirect" title="Mille (unité de longueur)">mille</a> (terrestre)</td>

<td>mi

</td>

<td>= 5 280 pi <br> = 1 609,344 m<br> = 80 ch

</td></tr>

<tr>

<td><a href="Mille_marin" title="Mille marin">mille marin</a></td>

<td><a href="https://en.wikipedia.org/wiki/nautical_mile" class="extiw external" title="en:nautical mile">nautical mile</a></td>

<td>MN

</td>

<td>= 1 852 m<br> = 6 076,115 pi

</td></tr>

<tr>

<td><a href="Mille_marin" title="Mille marin">mille marin</a> (anglais)

</td>

<td>nautical mile (Admiralty)</td>

<td>

</td>

<td>= 6 080 pi<br> = 1 853,184 m

</td></tr>

<tr>

<td><a href="Mille_(unit%C3%A9_de_longueur)" class="mw-redirect" title="Mille (unité de longueur)">mille</a> géographique</td>

<td>geographical mile</td>

<td>

</td>

<td>= 6 082 pi<br> = 1 853,793 6 m

</td></tr>

<tr>

<td><a href="Mille_(unit%C3%A9_de_longueur)" class="mw-redirect" title="Mille (unité de longueur)">mille</a> télégraphique</td>

<td>telegraph mile</td>

<td>

</td>

<td>= 6 087 pi <br> = 1 855,317 6 m

</td></tr>

<tr>

<td><a href="Lieue" title="Lieue">lieue</a> postale</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Lieue" title="Lieue">lieue</a> terrestre</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Lieue" title="Lieue">lieue</a></td>

<td><a href="https://en.wikipedia.org/wiki/league" class="extiw external" title="en:league">league</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Unit%C3%A9_astronomique" title="Unité astronomique">unité astronomique</a></td>

<td><a href="https://en.wikipedia.org/wiki/astronomical_unit" class="extiw external" title="en:astronomical unit">astronomical unit</a></td>

<td>ua

</td>

<td>= 149 597 870,691 ± 0,030 km

</td></tr>

<tr>

<td><a href="Ann%C3%A9e-lumi%C3%A8re" title="Année-lumière">année-lumière</a></td>

<td><a href="https://en.wikipedia.org/wiki/light-year" class="extiw external" title="en:light-year">light-year</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Parsec" title="Parsec">parsec</a></td>

<td>pc

</td>

<td>≈ 180 × 60 × 60/π ua ≈ 206 264,806 25 <abbr class="abbr" title="unité astronomique">ua</abbr><br> = 3,261 563 769 ± 6 × 10<sup>−10</sup> années-lumière<br> = 3,085 677 581 3 × 10<sup>16</sup> ± 6 × 10<sup>6</sup> <abbr class="abbr" title="mètre">m</abbr>

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Superficie">Superficie</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre carré</a></td>

<td><a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">square meter</a></td>

</td>

<td>= 10,763 91 pi<sup>2</sup><br> = 9,476 749 pif<sup>2</sup><br> = 1,195 990 vg<sup>2</sup><br> = 0,01 a

</td></tr>

<tr>

<td><a href="Arpent" title="Arpent">arpent carré</a></td>

<td><a href="https://en.wikipedia.org/wiki/arpent" class="extiw external" title="en:arpent">(square) arpent</a></td>

</td>

<td>= 32 400 pif<sup>2</sup><br> = 100 per<sup>2</sup><br> = 3 418,894 m<sup>2</sup><br> = 36 800,667 225 pi<sup>2</sup><br> = 34,188 94 a<br> = 3,379 308 rood

</td></tr>

<tr>

<td><a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce carré</a></td>

<td><a href="https://en.wikipedia.org/wiki/inch" class="extiw external" title="en:inch">square inch</a></td>

</td>

</td></tr>

<tr>

<td><a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied carré</a></td>

<td><a href="https://en.wikipedia.org/wiki/foot" class="extiw external" title="en:foot">square foot</a></td>

</td>

</td></tr>

<tr>

<td><a href="Yard" class="mw-redirect" title="Yard">verge carrée</a></td>

<td><a href="https://en.wikipedia.org/wiki/yard" class="extiw external" title="en:yard">square yard</a></td>

</td>

</td></tr>

<tr>

<td><a href="Perche_(unit%C3%A9)" title="Perche (unité)">perche carrée</a>

</td>

<td>

</td>

</td>

</td></tr>

<tr>

<td>a

</td>

</td></tr>

<tr>

<td><a href="Cha%C3%AEne_de_Gunter" class="mw-redirect" title="Chaîne de Gunter">chaîne carrée</a></td>

<td><a href="https://en.wikipedia.org/wiki/chain_(length)" class="extiw external" title="en:chain (length)">square chain</a></td>

</td>

<td>= 4 356 pi<sup>2</sup><br> = 404,685 642 24 m<sup>2</sup><br> = 0,4 rood

</td></tr>

<tr>

<td><a href="Verg%C3%A9e" title="Vergée">vergée</a></td>

<td>rood

</td>

<td>= 10 890 pi<sup>2</sup><br> = 2,5 ch<sup>2</sup><br> = 0,295 918 5 arp<sup>2</sup><br> = 0,101 171 410 56 ha

</td></tr>

<tr>

<td>ac

</td>

<td>= 43 560 pi<sup>2</sup><br> = 38 351, 04 pif<sup>2</sup><br> = 4 046,856 422 4 m<sup>2</sup><br> = 10 ch<sup>2</sup><br> = 4 rood<br> = 1,183 674 arp<sup>2</sup><br> = 0,404 685 542 24 ha

</td></tr>

<tr>

<td><a href="Hectare" title="Hectare">hectare</a></td>

<td>ha

</td>

</td></tr>

<tr>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Mille_(unit%C3%A9_de_longueur)" class="mw-redirect" title="Mille (unité de longueur)">mille carré</a></td>

</td>

</td></tr>

<tr>

<td>baronnie</td>

<td>barony</td>

<td> 

</td>

</td></tr>

<tr>

<td>commune</td>

<td>township</td>

<td> 

</td>

</td></tr>

<tr>

<td>canton</td>

<td>township</td>

<td> 

</td>

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Volume_-_capacité"><span id="Volume_-_capacit.C3.A9"></span>Volume - capacité</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre</a> cube</td>

<td>cubic <a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">metre</a></td>

</td>

<td>≡ 1 000 L

</td></tr>

<tr>

<td><a href="Litre" title="Litre">litre</a></td>

<td>litre</td>

<td>L, l

</td>

</td></tr>

<tr>

<td><a href="Pied_planche" class="mw-redirect" title="Pied planche">Pied planche</a></td>

<td><a href="https://en.wikipedia.org/wiki/Board_foot" class="extiw external" title="en:Board foot">board foot</a></td>

<td>??

</td>

<td>≡ 0,002 360 <abbr class="abbr" title="mètre cube"><a href="M%C3%A8tre" title="Mètre">m</a><sup>3</sup></abbr> ou <a href="St%C3%A8re" title="Stère">stères</a> = <span title="0,002 36 m³ ou 79,801 04 fl.oz." style="cursor:help">2,360</span> <abbr class="abbr" title="litres"><a href="Litre" title="Litre">litres</a></abbr>

</td></tr>

<tr>

<td><a href="Corde_(unit%C3%A9)" title="Corde (unité)">Corde (unité)</a></td>

<td>??

</td>

<td>≡ 128 <a href="Pied_(unit%C3%A9)" title="Pied (unité)">pieds</a> cubes ou (≈3,62 <abbr class="abbr" title="mètre cube">m<sup>3</sup></abbr>) en Amérique du Nord

</td></tr>

<tr>

<td>lambda</td>

<td>λ

</td>

<td>≡ 1 mm<sup>3</sup> = 1 μL

</td></tr>

<tr>

<td><span class="page_h"><a href="Drachme_(unit%C3%A9)" class="mw-disambig" title="Drachme (unité)">dram</a></span>, drachm, verre à liqueur (UK)</td>

<td><a href="https://en.wikipedia.org/wiki/dram_(volume)" class="extiw external" title="en:dram (volume)">dram</a> (Imperial fluid) ; Imperial fluidram</td>

<td>fl dr

</td>

<td>≡ 1/8 fl oz = 3,551 632 812 500 0 ml

</td></tr>

<tr>

<td><span class="page_h"><a href="Drachme_(unit%C3%A9)" class="mw-disambig" title="Drachme (unité)">dram</a></span>, drachm, verre à liqueur (US)</td>

<td><a href="https://en.wikipedia.org/wiki/dram_(volume)" class="extiw external" title="en:dram (volume)">dram</a> (U.S. fluid) ; U.S. fluidram</td>

<td>fl dr

</td>

<td>≡ 1/8 US fl oz = 3,696 691 195 312 5 ml

</td></tr>

<tr>

<td><a href="Cuiller%C3%A9e_%C3%A0_th%C3%A9" class="mw-redirect" title="Cuillerée à thé">cuillerée à thé</a> (canadienne)</td>

<td><a href="https://en.wikipedia.org/wiki/teaspoon" class="extiw external" title="en:teaspoon">teaspoon</a> (Canadian)</td>

<td>tsp

</td>

<td>≡ 1/6 fl oz ≈ 4,735 510 416 667 ml

</td></tr>

<tr>

<td><a href="Cuiller%C3%A9e_%C3%A0_th%C3%A9" class="mw-redirect" title="Cuillerée à thé">cuillerée à thé</a> (US)</td>

<td><a href="https://en.wikipedia.org/wiki/teaspoon" class="extiw external" title="en:teaspoon">teaspoon</a> (U.S.)</td>

<td>tsp

</td>

<td>≡ 1/6 US fl oz = 4,928 921 593 75 ml

</td></tr>

<tr>

<td><a href="Cuill%C3%A8re_%C3%A0_caf%C3%A9" title="Cuillère à café">cuillère à café</a> (métrique)</td>

<td><a href="https://en.wikipedia.org/wiki/teaspoon" class="extiw external" title="en:teaspoon">teaspoon</a> (metric)</td>

<td> 

</td>

<td>≡ 5 cm<sup>3</sup> ≡ 5 ml

</td></tr>

<tr>

<td>cuillère à dessert</td>

<td> 

</td>

<td>≡ 2 cuillères à café

</td></tr>

<tr>

<td>cuillère comble (poudre)</td>

<td> 

</td>

<td>≡ 2 cuillères rases (liquide)

</td></tr>

<tr>

<td>petite cuillerée <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a> (<i>ligula</i>)</td>

<td> 

</td>

<td>≡ 1/48 setier ≈ 11,25 ml

</td></tr>

<tr>

<td><a href="Cuiller%C3%A9e_%C3%A0_table" class="mw-redirect" title="Cuillerée à table">cuillerée à table</a> (canadienne)</td>

<td><a href="https://en.wikipedia.org/wiki/tablespoon" class="extiw external" title="en:tablespoon">tablespoon</a> (Canadian)

</td>

<td>tbsp

</td>

<td>≡ 1/2 fl oz = 14,206 531 25 ml

</td></tr>

<tr>

<td><a href="Cuiller%C3%A9e_%C3%A0_table" class="mw-redirect" title="Cuillerée à table">cuillerée à table</a> (américaine)</td>

<td><a href="https://en.wikipedia.org/wiki/tablespoon" class="extiw external" title="en:tablespoon">tablespoon</a> (U.S.)

</td>

<td>tbsp

</td>

<td>≡ 1/2 US fl oz = 14,786 764 781 25 ml

</td></tr>

<tr>

<td><a href="Cuill%C3%A8re_%C3%A0_soupe" title="Cuillère à soupe">cuillère à soupe</a> (métrique)</td>

<td><a href="https://en.wikipedia.org/wiki/tablespoon" class="extiw external" title="en:tablespoon">tablespoon</a> (metric)

</td>

<td> 

</td>

<td>≡ 15 cm<sup>3</sup> ≡ 15 ml ≡ 3 cuillères à café

</td></tr>

<tr>

<td><a href="Cuiller%C3%A9e_%C3%A0_table" class="mw-redirect" title="Cuillerée à table">cuillerée à table</a> (impériale)</td>

<td><a href="https://en.wikipedia.org/wiki/tablespoon" class="extiw external" title="en:tablespoon">tablespoon</a> (Imperial)

</td>

<td>tbsp

</td>

<td>≡ 5/8 fl oz = 17,758 164 062 5 ml

</td></tr>

<tr>

<td><a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a> cube</td>

<td>cubic <a href="https://en.wikipedia.org/wiki/inch" class="extiw external" title="en:inch">inch</a></td>

<td>cu in

</td>

<td>≡ 1 in<sup>3</sup> = 16,387 064 ml

</td></tr>

<tr>

<td><a href="Once_liquide" title="Once liquide">once liquide</a> (impériale)</td>

<td><a href="https://en.wikipedia.org/wiki/fluid_ounce" class="extiw external" title="en:fluid ounce">fluid ounce</a> (Imperial)

</td>

<td>fl oz (Imp)

</td>

<td>≡ 1/160 gal (Imp) = 28,413 062 5 ml

</td></tr>

<tr>

<td><a href="Once_liquide" title="Once liquide">once liquide</a> (américaine)</td>

<td><a href="https://en.wikipedia.org/wiki/fluid_ounce" class="extiw external" title="en:fluid ounce">ounce</a> (U.S. fluid)

</td>

<td>fl oz (US)

</td>

<td>≡ 1/128 gal (US) = 29,573 529 562 5 ml

</td></tr>

<tr>

<td>cuillerée moyenne <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a> (<i>cyathus</i>)</td>

<td><a href="https://en.wikipedia.org/wiki/ciate" class="extiw external" title="en:ciate">ciate</a> (Roman)</td>

<td> 

</td>

<td>≡ 1/12 setier ≈ 45 ml

</td></tr>

<tr>

<td>grande cuillerée <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a> (<i>acetabulum</i>)</td>

<td><a href="https://en.wikipedia.org/wiki/acetabul" class="extiw external" title="en:acetabul">acetabul</a> (Roman)</td>

<td> 

</td>

<td>≡ 1/8 setier ≈ 67,5 ml

</td></tr>

<tr>

<td><a href="Roquille" title="Roquille">roquille</a> (américaine)</td>

<td>gi

</td>

<td>≡ 4 fl oz (US) = 118,294 118 25 ml

</td></tr>

<tr>

<td>quart <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romain</a></td>

<td><a href="https://en.wikipedia.org/wiki/quart" class="extiw external" title="en:quart">quart</a> (Roman)</td>

<td> 

</td>

<td>≡ 1/4 setier ≈ 135 ml

</td></tr>

<tr>

<td><a href="Roquille" title="Roquille">roquille</a> (impériale)</td>

<td><a href="https://en.wikipedia.org/wiki/gill" class="extiw external" title="en:gill">gill</a> (Imperial); <a href="https://en.wikipedia.org/wiki/noggin" class="extiw external" title="en:noggin">noggin</a></td>

<td>gi; nog

</td>

<td>≡ 5 fl oz = 142,065 312 5 ml

</td></tr>

<tr>

<td><a href="Tasse_(unit%C3%A9)" title="Tasse (unité)">tasse</a> (canadienne)</td>

<td><a href="https://en.wikipedia.org/wiki/cup" class="extiw external" title="en:cup">cup</a> (Canadian)</td>

<td>c

</td>

<td>≡ 8 fl oz = 227,304 5 ml

</td></tr>

<tr>

<td><a href="Tasse_(unit%C3%A9)" title="Tasse (unité)">tasse</a> (américaine)</td>

<td>c

</td>

<td>≡ 8 fl oz (US) = 1/2 chopine américaine = 236,588 236 5 ml

</td></tr>

<tr>

<td><a href="Tasse_(unit%C3%A9)" title="Tasse (unité)">tasse</a> (métrique)</td>

<td><a href="https://en.wikipedia.org/wiki/cup" class="extiw external" title="en:cup">cup</a> (metric)</td>

<td>c

</td>

<td>≡ 250 ml

</td></tr>

<tr>

<td>hémine <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a></td>

<td><a href="https://en.wikipedia.org/wiki/gemin" class="extiw external" title="en:gemin">gemin</a> (Roman)</td>

<td> 

</td>

<td>≡ 1/2 setier ≈ 270 ml

</td></tr>

<tr>

<td><a href="Demiard" title="Demiard">demiard</a></td>

<td><a href="https://en.wikipedia.org/wiki/cup" class="extiw external" title="en:cup">cup</a> (Imperial)</td>

<td>c

</td>

<td>≡ 10 fl oz = 1/2 pt (Imp) = 1/4 qt (Imp) = 284,130 625 ml

</td></tr>

<tr>

<td><a href="Pinte" title="Pinte">pinte</a> américaine (<a href="Chopine" title="Chopine">chopine</a> américaine au Québec)</td>

<td><a href="https://en.wikipedia.org/wiki/pint" class="extiw external" title="en:pint">pint</a> (U.S. fluid)</td>

<td>pt (US fl)

</td>

<td>≡ 16 fl oz (US) = 473,176 473 ml

</td></tr>

<tr>

<td><a href="Setier" title="Setier">setier</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romain</a></td>

<td><a href="https://en.wikipedia.org/wiki/sextary" class="extiw external" title="en:sextary">sextary</a> (Roman)</td>

<td> 

</td>

<td>≡ 1/6 conge ≈ 540 ml

</td></tr>

<tr>

<td><a href="Pinte" title="Pinte">pinte</a> américaine (matière sèche)</td>

<td>pt (US dry)

</td>

<td>≡ 1/64 bu (US lvl) = 550,610 471 357 5 ml

</td></tr>

<tr>

<td><a href="Pinte" title="Pinte">pinte</a> impériale (<a href="Chopine" title="Chopine">chopine</a> au Québec)</td>

<td><a href="https://en.wikipedia.org/wiki/pint" class="extiw external" title="en:pint">pint</a> (Imperial)</td>

<td>pt (Imp)

</td>

<td>≡ 20 fl oz (Imp) = 568,261 25 ml

</td></tr>

<tr>

<td><a href="Quart_(unit%C3%A9)" title="Quart (unité)">quart</a> américain (pinte américaine au Québec)</td>

<td><a href="https://en.wikipedia.org/wiki/quart" class="extiw external" title="en:quart">quart</a> (U.S. fluid)</td>

<td>qt (US fl)

</td>

<td>≡ 1/4 gal (US) = 0,946 352 946 l

</td></tr>

<tr>

<td><a href="Quart_(unit%C3%A9)" title="Quart (unité)">quart</a> américain (matière sèche)</td>

<td><a href="https://en.wikipedia.org/wiki/quart" class="extiw external" title="en:quart">quart</a> (U.S. dry)</td>

<td>qt (US dry)

</td>

<td>≡ 1/32 bu (US lvl) = 1/4 gal (US dry) = 1,101 220 942 715 l

</td></tr>

<tr>

<td><a href="Quart_(unit%C3%A9)" title="Quart (unité)">quart</a> impériale (pinte au Québec)</td>

<td><a href="https://en.wikipedia.org/wiki/quart" class="extiw external" title="en:quart">quart</a> (Imperial)</td>

<td>qt (Imp)

</td>

<td>≡ 40 fl oz (Imp) = 1,136 522 5 l

</td></tr>

<tr>

<td><a href="Conge_(unit%C3%A9)" class="mw-redirect" title="Conge (unité)">conge</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romain</a></td>

<td><a href="https://en.wikipedia.org/wiki/kognee" class="extiw external" title="en:kognee">kognee</a> (Roman)</td>

<td> 

</td>

<td>≈ 3,24 l (fluide)

</td></tr>

<tr>

<td><a href="Gallon" title="Gallon">gallon</a> américain</td>

<td><a href="https://en.wikipedia.org/wiki/gallon" class="extiw external" title="en:gallon">gallon</a> (U.S. fluid)</td>

<td>gal (US)

</td>

<td>≡ 231 cu in = 3,785 411 784 l

</td></tr>

<tr>

<td><a href="Gallon" title="Gallon">gallon</a> américain (matière sèche)</td>

<td><a href="https://en.wikipedia.org/wiki/gallon" class="extiw external" title="en:gallon">gallon</a> (U.S. dry)</td>

<td>gal (US dry)

</td>

<td>≡ 1/8 bu (US lvl) = 4,404 883 770 86 l

</td></tr>

<tr>

<td><a href="Gallon" title="Gallon">gallon</a> impérial</td>

<td><a href="https://en.wikipedia.org/wiki/gallon" class="extiw external" title="en:gallon">gallon</a> (Imperial)</td>

<td>gal (Imp)

</td>

<td>≡ 4,546 09 l

</td></tr>

<tr>

<td><a href="Muid" title="Muid">muid</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romain</a></td>

<td> 

</td>

<td>≡ 16 conges ≈ 8,64 l (sec)

</td></tr>

<tr>

<td>urne <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a></td>

<td><a href="https://en.wikipedia.org/wiki/urn" class="extiw external" title="en:urn">urn</a> (Roman)</td>

<td> 

</td>

<td>≡ 24 setiers ≈ 12,96 l (fluide)

</td></tr>

<tr>

<td><a href="Boisseau" title="Boisseau">boisseau</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romain</a></td>

<td><a href="https://en.wikipedia.org/wiki/bushel" class="extiw external" title="en:bushel">bushel</a> (Roman)</td>

<td> 

</td>

<td>≡ 3 muids ≈ 25,92 l (sec)

</td></tr>

<tr>

<td><a href="Amphore" title="Amphore">amphore</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a></td>

<td><a href="https://en.wikipedia.org/wiki/amphora" class="extiw external" title="en:amphora">amphora</a> (Roman)</td>

<td> 

</td>

<td>≡ 2 urnes ≈ 25,92 l (fluide)

</td></tr>

<tr>

<td>cubic <a href="https://en.wikipedia.org/wiki/foot" class="extiw external" title="en:foot">foot</a></td>

<td>cu ft

</td>

<td>≡ 1 728 cu in = 28,316 846 592 l

</td></tr>

<tr>

<td><a href="Boisseau" title="Boisseau">boisseau</a> américain</td>

<td><a href="https://en.wikipedia.org/wiki/bushel" class="extiw external" title="en:bushel">bushel</a> (U.S. dry level)</td>

<td>bu (US lvl)

</td>

<td>≡ 2 150,42 cu in = 35,239 070 166 88 l

</td></tr>

<tr>

<td><a href="Boisseau" title="Boisseau">boisseau</a> impérial</td>

<td><a href="https://en.wikipedia.org/wiki/bushel" class="extiw external" title="en:bushel">bushel</a> (Imperial)</td>

<td>bu (Imp)

</td>

<td>= 36,368 72 l

</td></tr>

<tr>

<td><a href="Boisseau" title="Boisseau">boisseau</a> américain (matière sèche)</td>

<td><a href="https://en.wikipedia.org/wiki/bushel" class="extiw external" title="en:bushel">bushel</a> (U.S. dry heaped)</td>

<td>bu (US heap)

</td>

<td>≡ 1 1/4 bu (US lvl) = 44,048 837 708 6 l

</td></tr>

<tr>

<td><a href="Baril_de_p%C3%A9trole" class="mw-redirect" title="Baril de pétrole">baril de pétrole</a></td>

<td><a href="https://en.wikipedia.org/wiki/barrel" class="extiw external" title="en:barrel">barrel</a> (U.S. oil)</td>

<td>bl

</td>

<td>≡ 42 gal (US) = 158,987 294 928 l

</td></tr>

<tr>

<td><a href="Baril" title="Baril">baril</a></td>

<td><a href="https://en.wikipedia.org/wiki/barrel" class="extiw external" title="en:barrel">barrel</a> (Imperial)</td>

<td>bl (Imp)

</td>

<td>≡ 36 gal (Imp) = 163,659 24 l

</td></tr>

<tr>

<td><a href="Outre" title="Outre">outre</a> <a href="Unit%C3%A9s_de_mesure_romaines" class="mw-redirect" title="Unités de mesure romaines">romaine</a></td>

<td><a href="https://en.wikipedia.org/wiki/kulee" class="extiw external" title="en:kulee">kulee</a>; dolee (Roman)</td>

<td> 

</td>

<td>≡ 20 amphores ≈ 518,4 l (fluide)

</td></tr>

<tr>

<td><a href="Yard" class="mw-redirect" title="Yard">verge</a> cube</td>

<td>cubic <a href="https://en.wikipedia.org/wiki/yard" class="extiw external" title="en:yard">yard</a></td>

<td>cu yd

</td>

</td></tr>

<tr>

<td><a href="Tonneau_(unit%C3%A9)" title="Tonneau (unité)">tonneau de mer</a></td>

<td>freight <a href="https://en.wikipedia.org/wiki/ton" class="extiw external" title="en:ton">ton</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Tonneau_(unit%C3%A9)" title="Tonneau (unité)">tonneau de douane</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Tonneau_(unit%C3%A9)" title="Tonneau (unité)">tonneau de jauge</a></td>

<td>register <a href="https://en.wikipedia.org/wiki/ton" class="extiw external" title="en:ton">ton</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="St%C3%A8re" title="Stère">stère</a> (de bois, mot masculin)</td>

<td>st

</td>

<td>≡ du bois fendu empilé dans un volume de 1 <abbr class="abbr" title="mètre cube">m<sup>3</sup></abbr>

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Angle">Angle</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th>

<th>Remarque

</th></tr>

<tr>

<td><a href="Radian" title="Radian">radian</a></td>

<td>rad

</td>

<td>≡ 1 m/m

</td>

<td>L'unité de mesure d'angle plan est une grandeur sans dimension.

</td></tr>

<tr>

<td><a href="St%C3%A9radian" title="Stéradian">stéradian</a></td>

<td>sr

</td>

</td>

<td>L'unité de mesure d'angle solide est une grandeur sans dimension.

</td></tr>

<tr>

<td>seconde centésimale d'arc</td>

<td>centesimal second of arc</td>

<td>″

</td>

<td>≡ 1 gr/10 000 ≈ 1,570 796 µrad

</td></tr>

<tr>

<td><a href="Seconde_d'arc" class="mw-redirect" title="Seconde d'arc">seconde d'arc</a></td>

<td><a href="https://en.wikipedia.org/wiki/second_of_arc" class="extiw external" title="en:second of arc">second of arc</a></td>

<td>″

</td>

<td>≡ 1°/3 600 ≈ 4,848 137 µrad

</td></tr>

<tr>

<td>minute centésimale d'arc</td>

<td>centesimal minute of arc</td>

<td>′

</td>

<td>≡ 1 gr/100 ≈ 0,157 080 mrad

</td></tr>

<tr>

<td><a href="Minute_d'arc" class="mw-redirect" title="Minute d'arc">minute d'arc</a></td>

<td><a href="https://en.wikipedia.org/wiki/minute_of_arc" class="extiw external" title="en:minute of arc">minute of arc</a></td>

<td>′

</td>

<td>≡ 1°/60 ≈ 0,290 888 mrad

</td></tr>

<tr>

<td><a href="Mil_angulaire" title="Mil angulaire">mil angulaire</a></td>

<td>angular <a href="https://en.wikipedia.org/wiki/mil" class="extiw external" title="en:mil">mil</a></td>

<td>µ

</td>

<td>≡ 2π/6 400 rad ≈ 0,981 748 mrad

</td></tr>

<tr>

<td><a href="Grade_(angle)" title="Grade (angle)">grade</a></td>

<td>gradian; <a href="https://en.wikipedia.org/wiki/gon" class="extiw external" title="en:gon">gon</a></td>

<td>gr

</td>

<td>≡ 2π/400 rad = 0,9° ≈ 15,707 963 mrad

</td></tr>

<tr>

<td><a href="Degr%C3%A9_(angle)" title="Degré (angle)">degré</a></td>

<td><a href="https://en.wikipedia.org/wiki/degree_of_arc" class="extiw external" title="en:degree of arc">degree</a></td>

<td>°

</td>

<td>≡ π/180 rad ≈ 17,453 293 mrad

</td></tr>

<tr>

<td>signe</td>

<td> 

</td>

<td>≡ 30° ≈ 0,523 599 rad

</td></tr>

<tr>

<td>octant</td>

<td> 

</td>

<td>≡ 45° ≈ 0,785 398 rad

</td></tr>

<tr>

<td>sextant</td>

<td> 

</td>

<td>≡ 60° ≈ 1,047 198 rad

</td></tr>

<tr>

<td>quadrant</td>

<td> 

</td>

<td>≡ 90° ≈ 1,570 796 rad

</td></tr>

<tr>

<td><a href="Cycle" class="mw-disambig" title="Cycle">cycle</a> ou <a href="Tour_complet" class="mw-redirect" title="Tour complet">tour</a></td>

<td>cy ou tr

</td>

<td>≡ 2π rad

</td>

<td>Utilisé pour exprimer les fréquences et vitesses de rotation.

</td></tr></tbody></table>

<p>Remarques :

</p>

<ul><li>Le <a href="St%C3%A9radian" title="Stéradian">stéradian</a> est une grandeur sans dimension ; abolie par le SI en 1982, elle reste très usitée, et fait encore partie de la définition du <a href="Lumen_(unit%C3%A9)" title="Lumen (unité)">lumen</a>.</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Masse">Masse</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Kilogramme" title="Kilogramme">kilogramme</a></td>

<td><a href="https://en.wikipedia.org/wiki/kilogram" class="extiw external" title="en:kilogram">kilogram</a></td>

<td>kg

</td>

<td><a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unité de base du SI</a>

</td></tr>

<tr>

<td><a href="Gramme" title="Gramme">gramme</a></td>

<td>g

</td>

<td><a href="Unit%C3%A9_de_base" class="mw-redirect" title="Unité de base">Unité de base</a> du <a href="Syst%C3%A8me_CGS" title="Système CGS">système CGS</a> = 10<sup>−3</sup> kg

</td></tr>

<tr>

<td><a href="Gamma_(unit%C3%A9_de_masse)" class="mw-redirect" title="Gamma (unité de masse)">gamma</a></td>

<td>gamma</td>

<td>γ

</td>

<td>≡ 1 μg

</td></tr>

<tr>

<td><a href="Grain_(unit%C3%A9)" title="Grain (unité)">grain</a></td>

<td><a href="https://en.wikipedia.org/wiki/grain_(measure)" class="extiw external" title="en:grain (measure)">grain</a></td>

<td>gr

</td>

</td></tr>

<tr>

<td><a href="Carat_(gemmologie)" title="Carat (gemmologie)">carat</a> métrique</td>

<td><a href="https://en.wikipedia.org/wiki/carat" class="extiw external" title="en:carat">carat</a> (metric)</td>

<td>ct

</td>

<td>≡ 200 mg

</td></tr>

<tr>

<td><a href="Carat_(gemmologie)" title="Carat (gemmologie)">carat</a></td>

<td><a href="https://en.wikipedia.org/wiki/carat" class="extiw external" title="en:carat">carat</a></td>

<td>kt

</td>

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/ounce" class="extiw external" title="en:ounce">ounce</a> (avoirdupois)</td>

<td>oz

</td>

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/ounce" class="extiw external" title="en:ounce">ounce</a> (troy)</td>

<td>oz (troy)

</td>

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a></td>

<td><a href="https://en.wikipedia.org/wiki/pound" class="extiw external" title="en:pound">pound</a> (avoirdupois)

</td>

<td>lb (« lbm » en <a href="Physique" title="Physique">physique</a>)

</td>

</td></tr>

<tr>

<td><a href="Quintal_(unit%C3%A9)" title="Quintal (unité)">quintal</a> court</td>

<td>short <a href="https://en.wikipedia.org/wiki/hundredweight" class="extiw external" title="en:hundredweight">hundredweight</a>; cental

</td>

<td>sh cwt

</td>

</td></tr>

<tr>

<td><a href="Quintal_(unit%C3%A9)" title="Quintal (unité)">quintal</a> long</td>

<td>long <a href="https://en.wikipedia.org/wiki/hundredweight" class="extiw external" title="en:hundredweight">hundredweight</a></td>

<td>long cwt

</td>

</td></tr>

<tr>

<td><a href="Quintal_(unit%C3%A9)" title="Quintal (unité)">quintal</a> métrique</td>

<td><a href="https://en.wikipedia.org/wiki/quintal" class="extiw external" title="en:quintal">quintal</a> (metric)</td>

<td>

</td>

<td>≡ 100 kg

</td></tr>

<tr>

<td>kip

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a> courte</td>

<td>short <a href="https://en.wikipedia.org/wiki/ton" class="extiw external" title="en:ton">ton</a></td>

<td>sh tn

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a></td>

<td><a href="https://en.wikipedia.org/wiki/tonne" class="extiw external" title="en:tonne">tonne</a></td>

<td>t

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a> longue</td>

<td>long tn

</td>

</td></tr>

<tr>

<td><a href="Unit%C3%A9_de_masse_atomique" class="mw-redirect" title="Unité de masse atomique">dalton</a> ou <br> <a href="Unit%C3%A9_de_masse_atomique" class="mw-redirect" title="Unité de masse atomique">unité de masse atomique</a></td>

<td><a href="https://en.wikipedia.org/wiki/Atomic_mass_unit" class="extiw external" title="en:Atomic mass unit">dalton</a> ou <br> <a href="https://en.wikipedia.org/wiki/Atomic_mass_unit" class="extiw external" title="en:Atomic mass unit">atomic mass unit</a></td>

<td>Da ou <br> u ou uma

</td>

</td></tr>

</tbody></table>

<p>Remarque :

</p>

<ul><li>Le <a href="Carat_(gemmologie)" title="Carat (gemmologie)">carat (des joailliers)</a> est une unité de masse utilisée dans le commerce des diamants, des perles fines et des pierres précieuses. Le <a href="Carat_(puret%C3%A9)" title="Carat (pureté)">carat (des bijoutiers)</a> est également une unité de mesure de la proportion volumique d'or fin contenu dans un objet en <a href="Or" title="Or">or</a>.</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Temps">Temps</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Seconde_(temps)" title="Seconde (temps)">seconde</a></td>

<td><a href="https://en.wikipedia.org/wiki/second" class="extiw external" title="en:second">second</a></td>

<td>s

</td>

<td>(<a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unité de base du SI</a> et du <a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)

</td></tr>

<tr>

<td><a href="Temps_de_Planck" title="Temps de Planck">temps de Planck</a></td>

<td><a href="https://en.wikipedia.org/wiki/Planck_time" class="extiw external" title="en:Planck time">Planck time</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Svedberg" title="Svedberg">svedberg</a></td>

<td>S

</td></tr>

<tr>

<td>shake</td>

<td> 

</td>

<td>≡ 10<sup>-8</sup> s = 10 ns

</td></tr>

<tr>

<td>sigma</td>

<td> 

</td>

<td>≡ 10<sup>-6</sup> s = 1 μs

</td></tr>

<tr>

<td><a href="Ann%C3%A9e_gr%C3%A9gorienne" class="mw-redirect" title="Année grégorienne">année grégorienne</a></td>

<td> 

</td>

<td>≡ 365,242 5 j = 31 556 952 s

</td></tr>

<tr>

<td><a href="Ann%C3%A9e_sid%C3%A9rale" title="Année sidérale">année sidérale</a></td>

<td><a href="https://en.wikipedia.org/wiki/sidereal_year" class="extiw external" title="en:sidereal year">Sidereal year</a></td>

<td> 

</td>

<td>≡ 365,256 363 j = 31 558 149,763 2 s

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Vitesse_et_accélération"><span id="Vitesse_et_acc.C3.A9l.C3.A9ration"></span>Vitesse et accélération</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b><a href="Vitesse" title="Vitesse">Vitesse</a></b>

</td></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre</a> par <a href="Seconde_(temps)" title="Seconde (temps)">seconde</a></td>

<td><a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">metre</a> per <a href="https://en.wikipedia.org/wiki/second" class="extiw external" title="en:second">second</a></td>

<td>m/s

</td>

<td>≡ 1 m/s

</td></tr>

<tr>

<td>nd ou kn

</td>

<td>≡ 1 M/h = 1,852 km/h

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/knot_(speed)" class="extiw external" title="en:knot (speed)">knot</a> (Admiralty)</td>

<td>kn

</td>

<td>≡ 1 NM (Adm)/h = 1,853 184 km/h

</td></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b><a href="Acc%C3%A9l%C3%A9ration" title="Accélération">Accélération</a></b>

</td></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre</a> par <a href="Seconde_(temps)" title="Seconde (temps)">seconde</a> carrée

</td>

</td>

</td></tr>

<tr>

<td><a href="Gravit%C3%A9" class="mw-redirect" title="Gravité">gravité</a></td>

<td>standard acceleration of free fall</td>

</td>

</td></tr>

<tr>

<td>galileo</td>

<td>Gal

</td>

</td></tr>

</tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Force">Force</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Newton_(unit%C3%A9)" title="Newton (unité)">newton</a></td>

<td><a href="https://en.wikipedia.org/wiki/newton" class="extiw external" title="en:newton">newton</a></td>

<td>N

</td>

</td></tr>

<tr>

<td>dyn

</td>

<td>≡ 1 g cm/s<sup>2</sup> = 10<sup>-5</sup> N

</td></tr>

<tr>

<td><a href="Sth%C3%A8ne" title="Sthène">sthène</a></td>

<td>sn

</td>

<td>≡ 1 t m/s<sup>2</sup> = 10<sup>3</sup> N

</td></tr>

<tr>

<td><a href="Gravet" class="mw-redirect" title="Gravet">gravet</a> (gramme-force)</td>

<td>gf

</td>

<td>≡ 1 g × g<sub>n</sub> = 9,806 65 mN

</td></tr>

<tr>

<td>poundal</td>

<td>pdl

</td>

<td>≡ 1 lb ft/s<sup>2</sup> = 0,138 254 954 376 N

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/ounce" class="extiw external" title="en:ounce">ounce</a>-force</td>

<td>ozf

</td>

<td>≡ 1 oz av × g<sub>n</sub> = 0,278 013 850 953 781 2 N

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/pound" class="extiw external" title="en:pound">pound</a>-force</td>

<td>lbf

</td>

<td>≡ 1 lb av × g<sub>n</sub> = 4,448 221 615 260 5 N

</td></tr>

<tr>

<td><a href="Kilopond" class="mw-redirect" title="Kilopond">kilopond</a> (kilogramme-force; grave)</td>

<td>kp ; kgf

</td>

<td>≡ 1 kg × g<sub>n</sub> = 9,806 65 N

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/kip_(unit)" class="extiw external" title="en:kip (unit)">kip; kip-force</a></td>

<td>kip; kipf; klbf

</td>

<td>≡ 1 kip × g<sub>n</sub> = 4,448 221 615 260 kN

</td></tr>

<tr>

<td><a href="https://en.wikipedia.org/wiki/ton" class="extiw external" title="en:ton">ton</a>-force</td>

<td>tnf

</td>

<td>≡ 1 sh tn × g<sub>n</sub> = 8,896 443 230 521 kN

</td></tr>

</tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Puissance">Puissance</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td>W

</td>

</td></tr>

<tr>

<td><a href="Erg_(unit%C3%A9)" title="Erg (unité)">erg</a> par seconde (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td> 

</td>

</td></tr>

</tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Pression">Pression</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Pascal_(unit%C3%A9)" title="Pascal (unité)">pascal</a></td>

<td>pascal</td>

<td>Pa

</td>

</td></tr>

<tr>

<td><a href="Barye" title="Barye">barye</a> (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td>ba

</td>

<td>≡ 1 dyn/cm<sup>2</sup> = 0,1 Pa

</td></tr>

<tr>

<td><a href="Millim%C3%A8tre_de_mercure" title="Millimètre de mercure">millimètre de mercure</a>

</td>

<td><a href="https://en.wikipedia.org/wiki/millimetre_of_mercury" class="extiw external" title="en:millimetre of mercury">millimetre of mercury</a></td>

<td>mmHg

</td>

<td>≡ 1 torr ≈ 1 mm × 13 595,1 kg/m<sup>3</sup> × g<sub>n</sub> ≈ 133,322 368 421 Pa

</td></tr>

<tr>

<td><a href="Centim%C3%A8tre_d%E2%80%99eau" class="mw-redirect" title="Centimètre d’eau">millimètre d'eau</a>

</td>

<td><a href="https://en.wikipedia.org/wiki/millimetre_of_water" class="extiw external" title="en:millimetre of water">millimetre of water</a></td>

<td>mmAq; mmH<sub>2</sub>O

</td>

<td>≡ 1 mmAq = 9,806 65 Pa

</td></tr>

<tr>

<td>Torr

</td>

<td>≡ 101 325/760 Pa ≈ 133,322 368 421 Pa

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a> par <a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a> carré

</td>

<td><a href="https://en.wikipedia.org/wiki/pound" class="extiw external" title="en:pound">pound</a> per square <a href="https://en.wikipedia.org/wiki/inch" class="extiw external" title="en:inch">inch</a></td>

<td>psi

</td>

<td>≡ 1 lb av × g<sub>n</sub> / 1 sq in ≈ 6 894,757 293 168 Pa

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a> par <a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a> carré absolu

</td>

<td>psia

</td>

<td>≡ 1 psi

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a> par <a href="Pouce_(unit%C3%A9)" title="Pouce (unité)">pouce</a> carré relative

</td>

<td>psig

</td>

<td>≡ 1 psi + pression locale

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a> par <a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied</a> carré

</td>

<td><a href="https://en.wikipedia.org/wiki/pound" class="extiw external" title="en:pound">pound</a> per square <a href="https://en.wikipedia.org/wiki/foot" class="extiw external" title="en:foot">foot</a></td>

<td>psf

</td>

<td>≡ 1 lb av × g<sub>n</sub> / 1 sq ft ≈ 47,9 Pa

</td></tr>

<tr>

<td>bar

</td>

<td>≡ 100 000 Pa ≡ 10<sup>2</sup> kPa

</td></tr>

<tr>

<td><a href="Pi%C3%A8ze_(unit%C3%A9)" class="mw-redirect" title="Pièze (unité)">pièze</a></td>

<td><a href="https://en.wikipedia.org/wiki/Pi%C3%A8ze" class="extiw external" title="en:Pièze">pièze</a></td>

<td>pz

</td>

<td>≡ 1 000 Pa

</td></tr>

<tr>

<td><a href="Atmosph%C3%A8re_(unit%C3%A9)" title="Atmosphère (unité)">atmosphère</a></td>

<td><a href="https://en.wikipedia.org/wiki/atmosphere_(unit)" class="extiw external" title="en:atmosphere (unit)">atmosphere</a></td>

<td>atm

</td>

<td>≡ 101 325 Pa

</td></tr>

<tr>

<td><a href="Atmosph%C3%A8re_technique_(unit%C3%A9)" class="mw-redirect" title="Atmosphère technique (unité)">atmosphère technique</a></td>

<td><a href="https://en.wikipedia.org/wiki/Technical_atmosphere" class="extiw external" title="en:Technical atmosphere">technical atmosphere</a></td>

<td>at

</td>

<td>≡ 98 066 Pa

</td></tr>

<tr>

<td>B

</td>

<td>≡ log<sub>10</sub>(P / P<sub>0</sub>) = 10 dB

</td></tr>

<tr>

<td><a href="D%C3%A9cibel" title="Décibel">décibel</a></td>

<td><a href="https://en.wikipedia.org/wiki/decibel" class="extiw external" title="en:decibel">decibel</a></td>

<td>dB

</td>

<td>= 0,1 B =10 log<sub>10</sub>(P / P<sub>0</sub>)

</td></tr>

</tbody></table>

<p>Remarques:

</p>

<ul><li>le bel est une unité sans dimension; étant mathématiquement le rapport entre deux valeurs de même grandeur, l'opération de son calcul compense les dimensions en jeu. Il peut être utilisé pour exprimer n'importe quel rapport de pression (électricité, acoustique…)</li>

<li>dans certains domaines particuliers, on ne définit pas le bel, mais le décibel</li>

<li>dans les domaines où le bel est utilisé pour exprimer un rapport de puissance, la puissance étant le plus souvent proportionnelle au carré de la pression, le décibel sera défini comme étant le vingtième du bel, soit dB = B / 20 = 20 log (P/P<sub>0</sub>)</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Température"><span id="Temp.C3.A9rature"></span>Température</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Kelvin" title="Kelvin">kelvin</a></td>

<td><a href="https://en.wikipedia.org/wiki/kelvin" class="extiw external" title="en:kelvin">kelvin</a></td>

<td>K

</td>

<td>(<a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unité de base du SI</a>)

</td></tr>

<tr>

<td><a href="Degr%C3%A9_Celsius" title="Degré Celsius">degré Celsius</a></td>

<td><a href="https://en.wikipedia.org/wiki/Celsius" class="extiw external" title="en:Celsius">degree Celsius</a></td>

<td>°C

</td>

<td>T[°C] = T[K] - 273,15

</td></tr>

<tr>

<td><a href="Degr%C3%A9_Fahrenheit" title="Degré Fahrenheit">Degré Fahrenheit</a></td>

<td><a href="https://en.wikipedia.org/wiki/Fahrenheit" class="extiw external" title="en:Fahrenheit">degree Fahrenheit</a></td>

<td>°F

</td>

<td>T[°C]=5/9 (T[°F] - 32)

</td></tr>

<tr>

<td><a href="%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a></td>

<td><a href="https://en.wikipedia.org/wiki/Rankine_scale" class="extiw external" title="en:Rankine scale">degree Rankine</a></td>

<td>°Ra

</td>

<td>T[K]=5/9 T[°Ra]

</td></tr>

<tr>

<td><a href="%C3%89chelle_R%C3%A9aumur" title="Échelle Réaumur">Réaumur</a></td>

<td><a href="https://en.wikipedia.org/wiki/R%C3%A9aumur_scale" class="extiw external" title="en:Réaumur scale">degree Reaumur</a></td>

<td>°Ré

</td>

<td>T[°C]=5/4 T[°Ré]

</td></tr>

</tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Énergie"><span id=".C3.89nergie"></span>Énergie</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Joule_(unit%C3%A9)" class="mw-redirect" title="Joule (unité)">joule</a></td>

<td><a href="https://en.wikipedia.org/wiki/joule" class="extiw external" title="en:joule">joule</a></td>

<td>J

</td>

</td></tr>

<tr>

<td>rydberg</td>

</td>

</td></tr>

<tr>

<td>hartree</td>

</td>

</td></tr>

<tr>

<td>erg

</td>

<td>≡ 1 <abbr class="abbr" title="gramme centimètre carré par seconde carré">g cm<sup>2</sup> s<sup>−2</sup></abbr> = 10<sup>-7</sup> J

</td></tr>

<tr>

<td><a href="%C3%89lectron-volt" class="mw-redirect" title="Électron-volt">électron-volt</a></td>

<td><a href="https://en.wikipedia.org/wiki/electronvolt" class="extiw external" title="en:electronvolt">electronvolt</a></td>

<td>eV

</td>

</td></tr>

<tr>

<td><a href="Calorie" title="Calorie">calorie thermochimique</a></td>

<td>thermochemical <a href="https://en.wikipedia.org/wiki/calorie" class="extiw external" title="en:calorie">calorie</a>

</td>

</td>

<td>≡ 4,184 J

</td></tr>

<tr>

<td>calorie 15 °C</td>

<td><a href="https://en.wikipedia.org/wiki/calorie" class="extiw external" title="en:calorie">calorie</a> (15 °C)</td>

</td>

<td>≡ 4,185 5 J

</td></tr>

<tr>

<td><a href="Calorie" title="Calorie">calorie</a> I.T.</td>

<td><a href="https://en.wikipedia.org/wiki/calorie" class="extiw external" title="en:calorie">calorie</a> (international)</td>

</td>

<td>≡ 4,186 8 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (thermochimique)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a></td>

</td>

<td>≡ 1 lb av cal<sub>th</sub> °F / g °C = 9 489,152 380 4 ÷ 9 J ≈ 1 054,350 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (ISO)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (ISO)</td>

</td>

<td>≡ 1 054,5 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (63 °F)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (63 °F)</td>

</td>

<td>≈ 1 054,6 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (60 °F)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (60 °F)</td>

</td>

<td>≈ 1 054,68 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (59 °F)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (59 °F)</td>

</td>

<td>≡ 1 054,804 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (International Table)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (IT)</td>

</td>

<td>≡ 1 lb av cal<sub>IT</sub> °F / g °C = 1 055,055 852 62 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (moyen)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (mean)</td>

<td>BTU<sub>moyen</sub>

</td>

<td>≈ 1 055,87 J

</td></tr>

<tr>

<td><a href="British_thermal_unit" title="British thermal unit">British thermal unit</a> (39 °F)

</td>

<td><a href="https://en.wikipedia.org/wiki/British_thermal_unit" class="extiw external" title="en:British thermal unit">British thermal unit</a> (39 °F)</td>

</td>

<td>≈ 1 059,67 J

</td></tr>

<tr>

<td><a href="Frigorie" class="mw-redirect" title="Frigorie">frigorie</a> (15 °C)</td>

<td>fg

</td>

<td>≡ -1 kcal<sub>15 °C</sub> = -4 185,5 J

</td></tr>

<tr>

<td><a href="Kilowatt-heure" title="Kilowatt-heure">kilowatt-heure</a></td>

<td>Board of Trade Unit</td>

<td>kWh ou B.O.T.U.

</td>

<td>≡ 1 kW × 1 h = 3 600 000 J

</td></tr>

<tr>

<td><a href="Thermie" title="Thermie">thermie</a></td>

<td>th

</td>

<td>≡ 10<sup>6</sup> cal<sub>IT</sub> = 4 186 800 J

</td></tr>

<tr>

<td><a href="Therm" title="Therm">therm</a> américain</td>

<td><a href="https://en.wikipedia.org/wiki/therm" class="extiw external" title="en:therm">therm</a> (U.S.)</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Therm" title="Therm">therm</a> européen</td>

<td><a href="https://en.wikipedia.org/wiki/therm" class="extiw external" title="en:therm">therm</a> (E.C.)</td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a> de <a href="Trinitrotolu%C3%A8ne" title="Trinitrotoluène">TNT</a>

</td>

<td><a href="https://en.wikipedia.org/wiki/tonne" class="extiw external" title="en:tonne">tonne</a> of <a href="https://en.wikipedia.org/wiki/TNT" class="extiw external" title="en:TNT">TNT</a></td>

<td> 

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a> équivalent <a href="Houille" title="Houille">charbon</a>

</td>

<td><a href="https://en.wikipedia.org/wiki/tonne" class="extiw external" title="en:tonne">tonne</a> of <a href="https://en.wikipedia.org/wiki/coal" class="extiw external" title="en:coal">coal</a> equivalent</td>

</td>

</td></tr>

<tr>

<td><a href="Tonne_(unit%C3%A9)" class="mw-redirect" title="Tonne (unité)">tonne</a> équivalent <a href="P%C3%A9trole" title="Pétrole">pétrole</a>

</td>

<td><a href="https://en.wikipedia.org/wiki/tonne" class="extiw external" title="en:tonne">tonne</a> of oil equivalent</td>

</td>

</td></tr>

</tbody></table>

<p>Remarques :

</p>

<ul><li>1 000 m<sup>3</sup> de gaz naturel équivalent à 0,9 tep.</li>

<li>La masse volumique du pétrole varie entre 860 et 880 kg/m<sup>3</sup>.</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Viscosité"><span id="Viscosit.C3.A9"></span>Viscosité</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b><a href="Viscosit%C3%A9" title="Viscosité">Viscosité</a> dynamique</b>

</td></tr>

<tr>

<td><a href="Poiseuille" class="mw-redirect" title="Poiseuille">poiseuille</a></td>

<td>Pl

</td>

</td></tr>

<tr>

<td> 

</td>

<td>≡ 144 lbf s/sq ft ≈ 6 894,757 293 168 36 Pl

</td></tr>

<tr>

<td><a href="Slug_(unit%C3%A9)" title="Slug (unité)">slug</a> par <a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied</a>-<a href="Seconde_(temps)" title="Seconde (temps)">seconde</a></td>

<td>slug per foot-second</td>

<td> 

</td>

<td>≡ 1 lbf s/sq ft ≈ 47,880 258 980 335 9 Pl

</td></tr>

<tr>

<td><a href="Livre_(unit%C3%A9_de_masse)" class="mw-redirect" title="Livre (unité de masse)">livre</a> par <a href="Pied_(unit%C3%A9)" title="Pied (unité)">pied</a>-<a href="Seconde_(temps)" title="Seconde (temps)">seconde</a></td>

<td>pound per foot-second</td>

<td> 

</td>

<td>≡ 1 lb/ft s ≈ 1,488 163 943 569 55 Pl

</td></tr>

<tr>

<td><a href="Poundal" title="Poundal">poundal</a>-seconde par <a href="Pied_carr%C3%A9" title="Pied carré">pied carré</a></td>

<td>poundal-second per square foot</td>

<td> 

</td>

<td>≡ 1 pdl s/sq ft ≈ 1,488 163 943 569 55 Pl

</td></tr>

<tr>

<td><a href="Poise" title="Poise">poise</a> (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td>poise</td>

<td>P

</td>

<td>≡ 1 <abbr class="abbr" title="gramme par centimètre seconde">g cm<sup>−1</sup> s<sup>−1</sup></abbr> = 0,1 Pl

</td></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b><a href="Viscosit%C3%A9" title="Viscosité">Viscosité</a> cinématique</b>

</td></tr>

<tr>

<td><a href="M%C3%A8tre" title="Mètre">mètre</a> carré par <a href="Seconde_(temps)" title="Seconde (temps)">seconde</a>

</td>

<td>square <a href="https://en.wikipedia.org/wiki/metre" class="extiw external" title="en:metre">metre</a> per <a href="https://en.wikipedia.org/wiki/second" class="extiw external" title="en:second">second</a></td>

</td>

</td></tr>

<tr>

<td><a href="Stokes_(unit%C3%A9)" title="Stokes (unité)">stokes</a></td>

<td>stokes</td>

<td>St

</td>

</td></tr>

</tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Radioactivité"><span id="Radioactivit.C3.A9"></span>Radioactivité</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b>Intensité d'une source de <a href="Radioactivit%C3%A9" title="Radioactivité">rayonnement ionisant</a></b>

</td></tr>

<tr>

<td><a href="Becquerel" title="Becquerel">becquerel</a></td>

<td>becquerel</td>

<td>Bq

</td>

</td></tr>

<tr>

<td><a href="Curie_(unit%C3%A9)" title="Curie (unité)">curie</a></td>

<td>curie</td>

<td>Ci

</td>

</td></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b>Dose de <a href="Radioactivit%C3%A9" title="Radioactivité">rayonnement ionisant</a> - Effet physique</b>

</td></tr>

<tr>

<td>Gy

</td>

<td>≡ 1 J/kg

</td></tr>

<tr>

<td>rd

</td>

<td>≡ 0,01 Gy

</td></tr>

<tr>

<td><a href="R%C3%B6ntgen" title="Röntgen">röntgen</a></td>

<td>roentgen</td>

<td>R

</td>

</td></tr>

<tr>

<td colspan="4" bgcolor="#FFFFCC" align="center"><b>Dose de <a href="Radioactivit%C3%A9" title="Radioactivité">rayonnement ionisant</a> - Effet biologique</b>

</td></tr>

<tr>

<td><a href="Sievert" title="Sievert">sievert</a></td>

<td>sievert</td>

<td>Sv

</td>

<td>≡ 1 J/kg

</td></tr>

<tr>

</td>

<td>Roentgen Equivalent Man</td>

<td>rem

</td>

<td>≡ 0,01 Sv

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Lumière"><span id="Lumi.C3.A8re"></span>Lumière</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Candela" title="Candela">candela</a></td>

<td><a href="https://en.wikipedia.org/wiki/candela" class="extiw external" title="en:candela">candela</a></td>

<td>cd

</td>

<td>(<a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unité de base du SI</a>)

</td></tr>

<tr>

<td><a href="Lumen_(unit%C3%A9)" title="Lumen (unité)">lumen</a></td>

<td><a href="https://en.wikipedia.org/wiki/lumen_(unit)" class="extiw external" title="en:lumen (unit)">lumen</a></td>

<td>lm

</td>

</td></tr>

<tr>

<td>lx

</td>

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Électricité"><span id=".C3.89lectricit.C3.A9"></span>Électricité</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td><a href="Amp%C3%A8re" title="Ampère">ampère</a></td>

<td><a href="https://en.wikipedia.org/wiki/ampere" class="extiw external" title="en:ampere">ampere</a></td>

<td>A

</td>

<td>(<a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">Unité de base du SI</a>)

</td></tr>

<tr>

<td>V

</td>

</td></tr>

<tr>

<td><a href="Henry_(unit%C3%A9)" title="Henry (unité)">henry</a></td>

<td><a href="https://en.wikipedia.org/wiki/henry_(unit)" class="extiw external" title="en:henry (unit)">henry</a></td>

<td>H

</td>

</td></tr>

<tr>

<td><a href="Coulomb_(unit%C3%A9)" class="mw-redirect" title="Coulomb (unité)">coulomb</a></td>

<td>C

</td>

</td></tr>

<tr>

<td><a href="Amp%C3%A8re-heure" title="Ampère-heure">ampère-heure</a></td>

<td>Ah

</td>

<td>≡ 1 <abbr class="abbr" title="heure ampère"><a href="Heure" title="Heure">h</a> <a href="Amp%C3%A8re" title="Ampère">A</a></abbr> ≡ 3 600 C

</td></tr>

<tr>

<td><a href="Charge_%C3%A9l%C3%A9mentaire" title="Charge élémentaire">charge élémentaire</a></td>

<td>e

</td>

</td></tr>

<tr>

<td><a href="Tesla_(unit%C3%A9)" title="Tesla (unité)">tesla</a></td>

<td>T

</td>

</td></tr>

<tr>

<td><a href="Gauss_(unit%C3%A9)" title="Gauss (unité)">gauss</a> (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td>Gs

</td>

<td>≡ 1 <abbr class="abbr" title="maxwell par centimètre carré">Mx cm<sup>−2</sup></abbr> ≈ 10<sup>-4</sup> T

</td></tr>

<tr>

<td><a href="Gamma_(unit%C3%A9_magn%C3%A9tique)" class="mw-redirect" title="Gamma (unité magnétique)">gamma</a></td>

<td>

</td>

<td>≡ 10<sup>-9</sup> T = 1 nT

</td></tr>

<tr>

<td><a href="Maxwell_(unit%C3%A9)" title="Maxwell (unité)">maxwell</a> (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td>Mx

</td>

<td>(unité de base dans le <a href="Syst%C3%A8me_CGS" title="Système CGS">Système CGS</a>) 1 Mx ≈ 10<sup>-8</sup> <a href="Weber_(unit%C3%A9)" title="Weber (unité)">Wb</a>

</td></tr>

<tr>

<td><a href="Weber_(unit%C3%A9)" title="Weber (unité)">weber</a></td>

<td>Wb

</td>

</td></tr>

<tr>

<td><a href="%C5%92rsted_(unit%C3%A9)" title="Œrsted (unité)">œrsted</a> (<a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>)</td>

<td>Oe

</td>

<td>(unité dans le <a href="Syst%C3%A8me_CGS" title="Système CGS">CGS</a>) 1 Oe ≈ 10<sup>3</sup> × (4π)<sup>-1</sup> A/m ≈ 79,577 471 545 947 <abbr class="abbr" title="ampère par mètre">A m<sup>−1</sup></abbr>

</td></tr>

</tbody></table>

<p>Remarques :

</p>

<ul><li>l'approximation permettant de poser 1 T ≈ 10<sup>4</sup> Gs est expliquée dans la page sur le <a href="Gauss_(unit%C3%A9)" title="Gauss (unité)">gauss</a>.</li>

<li>l'approximation permettant de poser 1 Mx ≈ 10<sup>-8</sup> Wb est expliquée dans la page sur le <a href="Maxwell_(unit%C3%A9)" title="Maxwell (unité)">maxwell</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="Matière"><span id="Mati.C3.A8re"></span>Matière</h2></div>

<th>Nom

</th>

<th>Nom anglais

</th>

<th>Symbole

</th>

<th>Équivalence

</th></tr>

<tr>

<td>mol

</td>

<td><a href="Unit%C3%A9s_de_base_du_Syst%C3%A8me_international" title="Unités de base du Système international">unité de base du SI</a>

</td></tr></tbody></table>

<div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2></div>

<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a> </span><span class="reference-text">Le micron a été retiré du Système international depuis 1968. Voir <a href="Microm%C3%A8tre" title="Micromètre">micromètre</a></span>

</li>

</ol>

</div>

<div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2></div>

<div class="mw-heading mw-heading3"><h3 id="Articles_connexes">Articles connexes</h3></div>

<ul><li><a href="Unit%C3%A9s_de_mesure_en_physique" class="mw-redirect" title="Unités de mesure en physique">Unités de mesure en physique</a></li>

<li><a href="Unit%C3%A9_en_aviation" class="mw-redirect" title="Unité en aviation">Unité en aviation</a></li>

<li><a href="Unit%C3%A9s_de_superficie_courantes" title="Unités de superficie courantes">Unités de superficie courantes</a></li>

<li><a href="Constante_physique" title="Constante physique">Constante physique</a></li>

<li><a href="Calcul_horaire#Conversion" title="Calcul horaire">Conversion en système h:min:s</a></li>

<li><a href="Mars_Climate_Orbiter" title="Mars Climate Orbiter">Mars Climate Orbiter</a>, <small>dont la destruction fut provoquée par l'utilisation simultanée de deux systèmes d'unités différents en négligeant de les convertir pour passer de l'un à l'autre.</small></li></ul>

</div>

<div class="mw-heading mw-heading3"><h3 id="Liens_externes">Liens externes</h3></div>

<ul><li><span class="ouvrage" id="1979">« <a rel="nofollow" class="external text" href="http://www.bipm.org/fr/CGPM/db/16/6/"><cite style="font-style:normal;">Symboles du litre</cite></a> », sur <span class="italique"><a href="Bureau_international_des_poids_et_mesures" title="Bureau international des poids et mesures">BIPM</a></span>, <time>1979</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2017-10-26" data-sort-value="2017-10-26">26 octobre 2017</time>)</small></span></li>

<li><span class="ouvrage"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> « <a rel="nofollow" class="external text" href="https://engineeringunits.com/ksi-to-psi/"><cite style="font-style:normal;" lang="en">ksi to psi Converter, Kilopound per square inch to Pounds per square inch</cite></a> » <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2017-10-26" data-sort-value="2017-10-26">26 octobre 2017</time>)</small></span></li>

<li><span class="ouvrage">« <a rel="nofollow" class="external text" href="https://calculate.plus"><cite style="font-style:normal;">Calculate.plus - Conversions et calculs de mesures unitaires en ligne</cite></a> » <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2018-03-09" data-sort-value="2018-03-09">9 mars 2018</time>)</small></span></li></ul>

</div>

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