Template:Pressure

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Revision as of 02:36, 14 August 2009 by imported>Milton Beychok (Minor copy edits)
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Pressure Units
 
pascal
(Pa)

bar
(bar)

atmosphere
(atm)

torr
(Torr)
pound-force
per square inch

(psi)
1 Pa ≡ 1 N/m2 10−5 9.8692×10−6 7.5006×10−3 145.04×10−6
1 bar 100,000 ≡ 106 dyn/cm2 0.98692 750.06 14.504
1 atm 101,325 1.01325 ≡ 1 atm 760 14.696
1 torr 133.322 1.3332×10−3 1.3158×10−3 ≡ 1 Torr
≈ 1 mm-Hg
19.337×10−3
1 psi 6,894.76 68.948×10−3 68.046×10−3 51.715 ≡ 1 lbf/in2

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