PRESSURE
1 standard atmoshpere prcssure
= 1.0332
kgf /cm a = 101,325 N/M2 = 1,013 mbar = 1.0 bar = 101,325 Pa
= 14.7 Psi =
2,048 Psf - 10.332 mAq = 34 ftHz 0 = 760 mmHg = 29.92 inHg
1 lech. atmoshpere absolute
pressure (ata)
=1 Kg/cm2 = 0.9679 atm = 0.98 bar = 98,070 pa
=
14.233 Psi = 735.6 mmHg = 28.96 inHg = mAq
1 bar = 1.0197 kgf/cm2 = 0.9869 atm = 1,000 mbar = 14.50 Psi
= 100,000 Pa = 100,000 N/M2 = 1,000,000 dyne/cm2 = 750 Torr
1
mbar(=millibar) = 100 Pa
1 mmHg(=mercury)= 0.00135 kg/cm2 = 0.019 Psi = 2.78
Psf
= 1.33 mbar = 0.13 kPa = 0.1 cm Hg = 1, Torr
= 0.039 in Hg =
13.6 mm Aq = 0.535 in Aq
1 inHg = 0.034 kg/cm2 =
0.0338, bar = 3,386 Pa
= 0.49 Psi = 1.134 ft Aq = 13.608 in Aq
1 mHz
0( aqueous)= 9,806 Pa
1 mmH2 0 = 1 Kg / m2
1 inH2 0 =
0.00254 kg/cm2 = 0.002 48bar = 0.036Psi = 248Pa
= 0.083 ft
Aq = 0.0735 in Hg = 1.866mmHg
1 ftH2 0 = 0.0304 kg/cm2 = 0.0298 bar
= , 2,986 Pa
= 0.43 Psi = 0.88 in Hg = 22.4 mmHg
1 lb/ft2 (=psf) =
0.047 KPa = 0.0069 Psi = 0.000488 Kg/cm2
1 lb/in2 (=psi) = 0.070 Kg/cm2 =
0.069 bar = 6.894 KPa = 6,890 N/m2
= 2.036 in Hg = 51.7 mmHg = 2.307 ft
Aq
1 Kip/in2 (=Ksi) = 1,000 Psi
1MPa = 1 MN/ m2
1Kpa =
0.1450 lb/in2 = 0.01 Kg/cm2 = 0.01 bar = 0.001 N/mm2
1Pa = 1 N/m2 =
0.000145 Psi = 9.9E - 5 atm
= 0.1024 kg/m2 = 0.00001 bar = 0.0075
mmHg
= 0.000295 in Hg = 0.004 in Aq = 10 dynes/cm2
1 Kp = 1 Kg /cm2
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