User:Milton Beychok/Sandbox: Difference between revisions
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imported>Milton Beychok No edit summary |
imported>Milton Beychok No edit summary |
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{| class="wikitable" | |||
|+ '''Pressure Units''' | |||
! | |||
!width="13%"| <br>[[pascal (unit)|pascal]]<br />(Pa) | |||
!width="17%"| <br>[[bar (unit)|bar]]<br />(bar) | |||
!width="15%"| [[technical atmosphere]]<br />(at) | |||
!width="15%"| <br />[[atmosphere (unit)|atmosphere]]<br />(atm) | |||
!width="15%"| <br />[[torr]]<br />(Torr) | |||
!width="15%"| [[pound-force per square inch|pound-force per<br />square inch]]<br />(psi) | |||
|- align=center | |||
! 1 Pa | |||
| ≡ 1 [[newton|N]]/m<sup>2</sup> | |||
| 10<sup>−5</sup> | |||
| 1.0197×10<sup>−5</sup> | |||
| 9.8692×10<sup>−6</sup> | |||
| 7.5006×10<sup>−3</sup> | |||
| 145.04×10<sup>−6</sup> | |||
|- align=center | |||
! 1 bar | |||
| 100,000 | |||
| ≡ 10<sup>6</sup> [[dyne|dyn]]/cm<sup>2</sup> | |||
| 1.0197 | |||
| 0.98692 | |||
| 750.06 | |||
| 14.504 | |||
|- align=center | |||
! 1 at | |||
| 98,066.5 | |||
| 0.980665 | |||
| ≡ 1 [[kilogram-force|kgf]]/cm<sup>2</sup> | |||
| 0.96784 | |||
| 735.56 | |||
| 14.223 | |||
|- align=center | |||
! 1 atm | |||
| 101,325 | |||
| 1.01325 | |||
| 1.0332 | |||
| ≡ 1 [[atmosphere (unit)|atm]] | |||
| 760 | |||
| 14.696 | |||
|- align=center | |||
! 1 torr | |||
| 133.322 | |||
| 1.3332×10<sup>−3</sup> | |||
| 1.3595×10<sup>−3</sup> | |||
| 1.3158×10<sup>−3</sup> | |||
| ≡ 1 Torr<br> ≈ 1 [[mmHg]] | |||
| 19.337×10<sup>−3</sup> | |||
|- align=center | |||
! 1 psi | |||
| 6,894.76 | |||
| 68.948×10<sup>−3</sup> | |||
| 70.307×10<sup>−3</sup> | |||
| 68.046×10<sup>−3</sup> | |||
| 51.715 | |||
| ≡ 1 [[pound-force|lbf]]/in<sup>2</sup> | |||
|} | |||
'''Example reading:''' 1 Pa = 1 N/m<sup>2</sup> = 10<sup>−5</sup> bar = 10.197×10<sup>−6</sup> at = 9.8692×10<sup>−6</sup> atm, etc.<br> | |||
'''Note:''' mmHg is an abbreviation for millimetre | |||
Revision as of 01:42, 11 May 2008
pascal (Pa) |
bar (bar) |
technical atmosphere (at) |
atmosphere (atm) |
torr (Torr) |
pound-force per square inch (psi) | |
|---|---|---|---|---|---|---|
| 1 Pa | ≡ 1 N/m2 | 10−5 | 1.0197×10−5 | 9.8692×10−6 | 7.5006×10−3 | 145.04×10−6 |
| 1 bar | 100,000 | ≡ 106 dyn/cm2 | 1.0197 | 0.98692 | 750.06 | 14.504 |
| 1 at | 98,066.5 | 0.980665 | ≡ 1 kgf/cm2 | 0.96784 | 735.56 | 14.223 |
| 1 atm | 101,325 | 1.01325 | 1.0332 | ≡ 1 atm | 760 | 14.696 |
| 1 torr | 133.322 | 1.3332×10−3 | 1.3595×10−3 | 1.3158×10−3 | ≡ 1 Torr ≈ 1 mmHg |
19.337×10−3 |
| 1 psi | 6,894.76 | 68.948×10−3 | 70.307×10−3 | 68.046×10−3 | 51.715 | ≡ 1 lbf/in2 |
Example reading: 1 Pa = 1 N/m2 = 10−5 bar = 10.197×10−6 at = 9.8692×10−6 atm, etc.
Note: mmHg is an abbreviation for millimetre