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	<title>Unidades aceitas para uso com o SI - Histórico de revisões</title>
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		<title>Calimero0000: uma edição</title>
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		<updated>2013-05-03T11:16:09Z</updated>

		<summary type="html">&lt;p&gt;uma edição&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Página nova&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Esta é uma lista de unidades que não são definidos como parte do [[Sistema Internacional de Unidades]] (SI), mas de outra forma &amp;#039;&amp;#039;&amp;#039;mencionado no SI&amp;#039;&amp;#039;&amp;#039;&amp;lt;ref name=bipm&amp;gt;{{cite web&lt;br /&gt;
| title=Non-SI units accepted for use with the SI, and units based on fundamental constants&lt;br /&gt;
| url=http://www.bipm.org/en/si/si_brochure/chapter4/4-1.html&lt;br /&gt;
| accessdate=2010-08-28&lt;br /&gt;
| publisher=BIPM&lt;br /&gt;
| work=SI brochure (8th edition)&lt;br /&gt;
| format=PDF&lt;br /&gt;
}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite web&lt;br /&gt;
| author=Taylor, Barry N. (ed.)&lt;br /&gt;
| url=http://physics.nist.gov/Pubs/SP330/sp330.pdf&lt;br /&gt;
| title=The International System of Units (SI)&lt;br /&gt;
| year=2001&lt;br /&gt;
| work=Special Publication 330&lt;br /&gt;
| publisher=National Institute of Standards and Technology (NIST)&lt;br /&gt;
| location=Gaithersburg, Maryland&lt;br /&gt;
}}&amp;lt;/ref&amp;gt;, porque tanto a [[Conferência Geral de Pesos e Medidas|Conferência Geral de Pesos e Medidas (CGPM)]] aceita o seu uso como sendo múltiplos ou submúltiplos de SI-unidades, que têm importante aplicação em todo o mundo contemporâneo, ou de outro modo comumente encontradas em todo o mundo.&lt;br /&gt;
&lt;br /&gt;
== Unidades oficialmente aceitas para uso com o SI ==&lt;br /&gt;
{|class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Nome&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Símbolo&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Quantidade&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Unidade SI equivalente&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;4&amp;quot; style=&amp;quot;font-size:larger;font-weight:bold&amp;quot;| Unidades amplamente utilizadas deverão ser usadas por tempo indeterminado&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[minuto]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;min&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[tempo]] (unidade múltipla SI)&lt;br /&gt;
| 1&amp;amp;nbsp;min&amp;amp;nbsp;= 60&amp;amp;nbsp;[[segundo|s]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[hora]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;h&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| tempo (unidade múltipla SI)&lt;br /&gt;
| 1&amp;amp;nbsp;h&amp;amp;nbsp;= 60&amp;amp;nbsp;min&amp;amp;nbsp;= 3600&amp;amp;nbsp;s&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[dia]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;d&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| tempo (unidade múltipla SI)&lt;br /&gt;
| 1&amp;amp;nbsp;d&amp;amp;nbsp;= 24&amp;amp;nbsp;h&amp;amp;nbsp;= 1440&amp;amp;nbsp;min&amp;amp;nbsp;= 86400&amp;amp;nbsp;s&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[grau (ângulo)|grau de arco]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;°&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[ângulo]] (dimensionless unit)&lt;br /&gt;
| 1°&amp;amp;nbsp;= (&amp;amp;pi;&amp;amp;nbsp;/&amp;amp;nbsp;180)&amp;amp;nbsp;[[radiano|rad]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[minuto de arco]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;′&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| ângulo (dimensionless unit)&lt;br /&gt;
| 1′&amp;amp;nbsp;= (1&amp;amp;nbsp;/&amp;amp;nbsp;60)°&amp;amp;nbsp;= (&amp;amp;pi;&amp;amp;nbsp;/&amp;amp;nbsp;10800)&amp;amp;nbsp;rad&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[segundo de arco]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;″&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| ângulo (dimensionless unit)&lt;br /&gt;
| 1″&amp;amp;nbsp;= (1&amp;amp;nbsp;/&amp;amp;nbsp;60)′&amp;amp;nbsp;= (1&amp;amp;nbsp;/&amp;amp;nbsp;3600)°&amp;amp;nbsp;= (&amp;amp;pi;&amp;amp;nbsp;/&amp;amp;nbsp;648000)&amp;amp;nbsp;rad&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[hectare]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;ha&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[área]] (unidade múltipla decimal)&lt;br /&gt;
| 1&amp;amp;nbsp;ha&amp;amp;nbsp;= 100&amp;amp;nbsp;a&amp;amp;nbsp;= 10000&amp;amp;nbsp;m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&amp;amp;nbsp;= 1&amp;amp;nbsp;hm&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[litro]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;l&amp;#039;&amp;#039;&amp;#039; or &amp;#039;&amp;#039;&amp;#039;L&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[volume]] (unidades múltiplas decimal)&lt;br /&gt;
| 1&amp;amp;nbsp;L&amp;amp;nbsp;= 1&amp;amp;nbsp;dm&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;&amp;amp;nbsp;= 0.001&amp;amp;nbsp;[[metro cúbico|m&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[tonelada]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;t&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[massa]] (unidades múltiplas decimal)&lt;br /&gt;
| 1&amp;amp;nbsp;t&amp;amp;nbsp;= 10&amp;lt;sup&amp;gt;3&amp;lt;/sup&amp;gt;&amp;amp;nbsp;[[quilograma|kg]]&amp;amp;nbsp;= 1&amp;amp;nbsp;[[megagrama|Mg]]&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;4&amp;quot; style=&amp;quot;font-size:larger;font-weight:bold&amp;quot;| unidades logarítmicas&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[neper]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;Np&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| dimensionless [[ratio]] of field quantities&lt;br /&gt;
| &amp;#039;&amp;#039;L&amp;lt;sub&amp;gt;F&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;amp;nbsp;= ln(&amp;#039;&amp;#039;F&amp;#039;&amp;#039;&amp;amp;nbsp;/&amp;amp;nbsp;&amp;#039;&amp;#039;F&amp;#039;&amp;#039;&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;)&amp;amp;nbsp;Np&lt;br /&gt;
|-&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| dimensionless ratio of power quantities&lt;br /&gt;
| &amp;#039;&amp;#039;L&amp;lt;sub&amp;gt;P&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;amp;nbsp;= {{frac|1|2}}&amp;amp;nbsp;ln(&amp;#039;&amp;#039;P&amp;#039;&amp;#039;&amp;amp;nbsp;/&amp;amp;nbsp;&amp;#039;&amp;#039;P&amp;#039;&amp;#039;&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;)&amp;amp;nbsp;Np&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;bel&amp;#039;&amp;#039;&amp;#039;, &amp;#039;&amp;#039;&amp;#039;[[decibel]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;B&amp;#039;&amp;#039;&amp;#039;, &amp;#039;&amp;#039;&amp;#039;dB&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| dimensionless [[ratio]] of field quantities&lt;br /&gt;
| &amp;#039;&amp;#039;L&amp;lt;sub&amp;gt;F&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;amp;nbsp;= 2&amp;amp;nbsp;log&amp;lt;sub&amp;gt;10&amp;lt;/sub&amp;gt;(&amp;#039;&amp;#039;F&amp;#039;&amp;#039;&amp;amp;nbsp;/&amp;amp;nbsp;&amp;#039;&amp;#039;F&amp;#039;&amp;#039;&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;)&amp;amp;nbsp;B&lt;br /&gt;
|-&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| dimensionless ratio of power quantities&lt;br /&gt;
| &amp;#039;&amp;#039;L&amp;lt;sub&amp;gt;P&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;amp;nbsp;= log&amp;lt;sub&amp;gt;10&amp;lt;/sub&amp;gt;(&amp;#039;&amp;#039;P&amp;#039;&amp;#039;&amp;amp;nbsp;/&amp;amp;nbsp;&amp;#039;&amp;#039;P&amp;#039;&amp;#039;&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;)&amp;amp;nbsp;B&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;4&amp;quot; style=&amp;quot;font-size:larger;font-weight:bold&amp;quot;| Unidades com valores determinados experimentalmente&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[elétron-volt]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;eV&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[energia]]&lt;br /&gt;
| 1&amp;amp;nbsp;eV = {{val|1.60217653|(14)|e=-19|ul=J}}&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[unidade de massa atômica]]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&amp;#039;&amp;#039;&amp;#039;[[dalton (unidade)|dalton]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;u&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&amp;#039;&amp;#039;&amp;#039;Da&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[massa]]&lt;br /&gt;
| 1&amp;amp;nbsp;u&amp;amp;nbsp;= 1&amp;amp;nbsp;Da&amp;amp;nbsp;= {{val|1.66053886|(28)|e=-27|ul=kg}}&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[unidade astronômica]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;ua&amp;#039;&amp;#039;&amp;#039;&amp;lt;ref name=SIbrochure&amp;gt;{{SIbrochure8th|page=126}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;[[ISO 80000]]&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{citation|title=The IAU Style Manual (1989): The Preparation of Astronomical Papers and Reports|url=http://www.iau.org/static/publications/stylemanual1989.pdf|page=23}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
| [[comprimento]]&lt;br /&gt;
| 1&amp;amp;nbsp;ua&amp;amp;nbsp;= {{val|1.49597870691|(6)|e=11|ul=m}}&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;4&amp;quot; style=&amp;quot;font-size:larger;font-weight:bold&amp;quot;| Unidades naturais (n.u.)&lt;br /&gt;
|-&lt;br /&gt;
| [[velocidade da luz]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;c&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[velocidade]]&lt;br /&gt;
| {{val|299792458|ul=m&amp;amp;nbsp;/&amp;amp;nbsp;s}} (exato)&amp;lt;ref&amp;gt;Neste caso, não é a velocidade da luz, mas o comprimento do metro que é obtido pela experiência&amp;lt;/ref&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| [[Constante de Planck|constante de Planck reduzido]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;ħ&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[ação (física)|ação]]&lt;br /&gt;
| {{val|1.05457168|(18)|e=-34}}&amp;amp;nbsp;J·s&lt;br /&gt;
|-&lt;br /&gt;
| [[Electron rest mass]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;m&amp;lt;sub&amp;gt;e&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[massa]]&lt;br /&gt;
| {{val|9.1093826|(16)|e=-31|ul=kg}}&lt;br /&gt;
|-&lt;br /&gt;
| n.u. de tempo&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;lt;math&amp;gt;\hbar/(m_e c_0 ^2)&amp;lt;/math&amp;gt;&lt;br /&gt;
| [[tempo]]&lt;br /&gt;
| {{val|1.2880886677|(86)|e=-21|ul=s}}&lt;br /&gt;
|-&lt;br /&gt;
|colspan=&amp;quot;4&amp;quot; style=&amp;quot;font-size:larger;font-weight:bold&amp;quot;| Unidades atômicas (a.u.)&lt;br /&gt;
|-&lt;br /&gt;
| [[carga elementar]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;e&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[carga elétrica]]&lt;br /&gt;
| {{val|1.60217653|(14)|e=-19|u=C}}&lt;br /&gt;
|-&lt;br /&gt;
| [[Raio de Bohr]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;a&amp;lt;sub&amp;gt;0&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[comprimento]]&lt;br /&gt;
| {{val|0.5291772108|(18)|e=-10|u=m}}&lt;br /&gt;
|-&lt;br /&gt;
| [[Hartree (energia)]]&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;E&amp;lt;sub&amp;gt;h&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[energia]]&lt;br /&gt;
| {{val|4.35974417|(75)|e=-18|u=J}}&lt;br /&gt;
|-&lt;br /&gt;
| a.u. de tempo&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;ħ&amp;amp;nbsp;/&amp;amp;nbsp;E&amp;lt;sub&amp;gt;h&amp;lt;/sub&amp;gt;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[tempo]]&lt;br /&gt;
| {{val|2.418884326505|(16)|e=-17|u=s}}&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== Unidades comuns não oficialmente sancionadas ==&lt;br /&gt;
{|class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Nome&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Símbolo&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Quantidade&lt;br /&gt;
!scope=&amp;quot;col&amp;quot;| Unidade SI equivalente&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[angstrom|&amp;amp;Aring;ngstr&amp;amp;ouml;m]]&amp;#039;&amp;#039;&amp;#039;, angstrom&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;&amp;amp;Aring;&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| comprimento&lt;br /&gt;
| 1&amp;amp;nbsp;&amp;amp;Aring;&amp;amp;nbsp;= 0.1&amp;amp;nbsp;nm&amp;amp;nbsp;= 10&amp;lt;sup&amp;gt;&amp;amp;minus;10&amp;lt;/sup&amp;gt;&amp;amp;nbsp;[[metro|m]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[milha náutica]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;nm&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[comprimento]]&lt;br /&gt;
| 1&amp;amp;nbsp;milha náutica&amp;amp;nbsp;= 1852&amp;amp;nbsp;[[metro|m]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[nó (unidade)|nó]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;kt&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[velocidade]]&lt;br /&gt;
| 1&amp;amp;nbsp;nó&amp;amp;nbsp;= 1&amp;amp;nbsp;milha náutica por hora&amp;amp;nbsp;= (1852&amp;amp;nbsp;/&amp;amp;nbsp;3600) [[metro por segundo|m&amp;amp;nbsp;/&amp;amp;nbsp;s]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[hectare|are]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;a&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| área&lt;br /&gt;
| 1&amp;amp;nbsp;a&amp;amp;nbsp;= 1&amp;amp;nbsp;dam&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&amp;amp;nbsp;= 100&amp;amp;nbsp;[[metro quadrado|m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[barn (unidade)|barn]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;b&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| área&lt;br /&gt;
| 1&amp;amp;nbsp;b&amp;amp;nbsp;= 10&amp;lt;sup&amp;gt;&amp;amp;minus;28&amp;lt;/sup&amp;gt;&amp;amp;nbsp;m&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[bar (unidade)|bar]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;bar&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[pressão]]&lt;br /&gt;
| 1&amp;amp;nbsp;bar&amp;amp;nbsp;= 10&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&amp;amp;nbsp;[[pascal (unidade)|Pa]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[bar (unidade)|millibar]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;mbar&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[pressão]]&lt;br /&gt;
| 1&amp;amp;nbsp;mbar&amp;amp;nbsp;= 1&amp;amp;nbsp;[[hPa]]&amp;amp;nbsp;= 100&amp;amp;nbsp;[[pascal (unidade)|Pa]]&lt;br /&gt;
|-&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;[[Atmosfera (unidade)|atmosfera]]&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|style=&amp;quot;text-align:center&amp;quot;| &amp;#039;&amp;#039;&amp;#039;atm&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| [[pressão]]&lt;br /&gt;
| 1&amp;amp;nbsp;atm&amp;amp;nbsp;= 1013.25&amp;amp;nbsp;mbar&amp;amp;nbsp;= 1013.25&amp;amp;nbsp;hPa&amp;amp;nbsp;= {{val|1.01325|e=5|ul=[[pascal (unidade)|Pa]]}} (comumente usados ​​em meteorologia atmosférica, em oceanologia e para pressões dentro dos líquidos, ou na indústria para pressões dentro de recipientes de gás liquefeito)&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=={{Ver também}}==&lt;br /&gt;
* [[Vocabulário Internacional de Metrologia]]&lt;br /&gt;
* [[ISO 80000|Sistema Internacional de Quantidades]]&lt;br /&gt;
* [[Sistema Internacional de Unidades]]&lt;br /&gt;
* [[Unidades de base SI]]&lt;br /&gt;
* [[Prefixo SI]]&lt;br /&gt;
* [[Unidades SI derivadas]]&lt;br /&gt;
&lt;br /&gt;
{{Referências}}&lt;br /&gt;
&lt;br /&gt;
{{SI Unidades de base}}&lt;br /&gt;
&lt;br /&gt;
[[Categoria:Unidades não-SI|*]]&lt;br /&gt;
[[Categoria:Unidades de medida|*]]&lt;/div&gt;</summary>
		<author><name>Calimero0000</name></author>
	</entry>
</feed>