Template:Pressure: Difference between revisions
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imported>Milton Beychok m (Minor copy edits) |
imported>Milton Beychok m (Add kilogram-force per square centimeter to table) |
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| Line 1: | Line 1: | ||
{| class="wikitable" | {| class="wikitable" | ||
|+ '''Pressure Units''' | |+ '''Pressure Units''' | ||
!width=" | !width="9%"| | ||
!width=" | !width="11%"| <br>[[pascal (unit)|pascal]]<br>(Pa) | ||
!width=" | !width="15%"| <br>[[bar (unit)|bar]]<br>(bar) | ||
!width=" | !width="14%"| <br>[[Atmosphere (unit)|atmosphere]]<br>(atm) | ||
!width="14%"| <br>[[torr]]<br>(Torr) | !width="14%"| <br>[[torr]]<br>(Torr) | ||
!width="15%"| [[U.S. customary units|pound-force<br>per square inch]]<br>(psi) | !width="15%"| [[U.S. customary units|pound-force<br>per square inch]]<br>(psi) | ||
!width="20%"| [[kilogram-force|kilogram-force<br>per square centimeter]]<br/>(kgf/cm<sup>2</sup>) | |||
|- align=center | |- align=center | ||
! 1 Pa | ! 1 Pa | ||
| Line 14: | Line 15: | ||
| 7.5006×10<sup>−3</sup> | | 7.5006×10<sup>−3</sup> | ||
| 145.04×10<sup>−6</sup> | | 145.04×10<sup>−6</sup> | ||
| 1.01972×10<sup>−5</sup> | |||
|- align=center | |- align=center | ||
! 1 bar | ! 1 bar | ||
| Line 21: | Line 23: | ||
| 750.06 | | 750.06 | ||
| 14.504 | | 14.504 | ||
| 1.01972 | |||
|- align=center | |- align=center | ||
! 1 atm | ! 1 atm | ||
| Line 27: | Line 30: | ||
| ≡ 1 [[Atmosphere (unit)|atm]] | | ≡ 1 [[Atmosphere (unit)|atm]] | ||
| 760 | | 760 | ||
| 14.696 | | 14.696 | ||
| 1.03323 | |||
|- align=center | |- align=center | ||
! 1 torr | ! 1 torr | ||
| Line 35: | Line 39: | ||
| ≡ 1 Torr<br>≈ 1 [[mm-Hg]] | | ≡ 1 Torr<br>≈ 1 [[mm-Hg]] | ||
| 19.337×10<sup>−3</sup> | | 19.337×10<sup>−3</sup> | ||
| 1.35951×10<sup>−3</sup> | |||
|- align=center | |- align=center | ||
! 1 psi | ! 1 psi | ||
| Line 41: | Line 46: | ||
| 68.046×10<sup>−3</sup> | | 68.046×10<sup>−3</sup> | ||
| 51.715 | | 51.715 | ||
| ≡ 1 [[pound-force|lbf]]/in<sup>2</sup> | | ≡ 1 [[pound-force|lbf]]/[[inch|in]]<sup>2</sup> | ||
| 7.03059×10<sup>−2</sup> | |||
|- align=center | |||
! 1 kg/cm<sup>2</sup> | |||
| 98,066.5 | |||
| 0.980665 | |||
| 0.967838 | |||
| 735.5576 | |||
| 14.22357 | |||
| ≡ 1 [[kilogram-force|kgf]]/[[centimeter|cm]]<sup>2</sup> | |||
|} | |} | ||
'''Example reading:''' 1 Pa = 1 N/m<sup>2</sup> = 10<sup>−5</sup> bar = 9.8692×10<sup>−6</sup> atm = 7.5006×10<sup>−3</sup> torr, etc.<br> | '''Example reading:''' 1 Pa = 1 N/m<sup>2</sup> = 10<sup>−5</sup> bar = 9.8692×10<sup>−6</sup> atm = 7.5006×10<sup>−3</sup> torr, etc.<br> | ||
'''Note:''' mm-Hg is an abbreviation for millimetre of [[mercury]] | '''Note:''' mm-Hg is an abbreviation for millimetre of [[mercury]] | ||
Revision as of 02:35, 30 June 2011
pascal (Pa) |
bar (bar) |
atmosphere (atm) |
torr (Torr) |
pound-force per square inch (psi) |
kilogram-force per square centimeter (kgf/cm2) | |
|---|---|---|---|---|---|---|
| 1 Pa | ≡ 1 N/m2 | 10−5 | 9.8692×10−6 | 7.5006×10−3 | 145.04×10−6 | 1.01972×10−5 |
| 1 bar | 100,000 | ≡ 106 dyn/cm2 | 0.98692 | 750.06 | 14.504 | 1.01972 |
| 1 atm | 101,325 | 1.01325 | ≡ 1 atm | 760 | 14.696 | 1.03323 |
| 1 torr | 133.322 | 1.3332×10−3 | 1.3158×10−3 | ≡ 1 Torr ≈ 1 mm-Hg |
19.337×10−3 | 1.35951×10−3 |
| 1 psi | 6,894.76 | 68.948×10−3 | 68.046×10−3 | 51.715 | ≡ 1 lbf/in2 | 7.03059×10−2 |
| 1 kg/cm2 | 98,066.5 | 0.980665 | 0.967838 | 735.5576 | 14.22357 | ≡ 1 kgf/cm2 |
Example reading: 1 Pa = 1 N/m2 = 10−5 bar = 9.8692×10−6 atm = 7.5006×10−3 torr, etc.
Note: mm-Hg is an abbreviation for millimetre of mercury