1. Home
  2. Pressure Converter

Pressure Converter

barkPa
hPambar
Pa = N/m2atm
mm Hg=Torrlbf/ft2
lbf/in2 = PSIin Hg
kgf/cm2kgf/m2
mmH2O

Pressure(mechanical stress) unit conversion table

Name of unitSymbolDefinitionRelation to SI units
atmosphere(standard)atm≡ 7005101325000000000♠101 325 Pa
atmosphere(technical)at≡ 1 kgf/cm 2= 7004980665000000000♠9.806 65×10 4 Pa
barbar≡ 10 5Pa
barye ( cgs unit) ≡ 1 dyn/cm 2= 0.1 Pa
centimetre of mercurycmHg≡ 7004135951000000000♠13 595.1 kg/m 3× 1 cm × ɡ0≈ 7003133322000000000♠1.333 22×10 3 Pa
centimetre of water(4 °C)cmH 2O≈ 999.972 kg/m 3× 1 cm × ɡ0≈ 7001980638000000000♠98.0638 Pa
footof mercury (conventional)ftHg≡ 7004135951000000000♠13 595.1 kg/m 3× 1 ft × ɡ0≈ 7004406366599999999♠4.063 666×10 4 Pa
footof water(39.2 °F)ftH 2O≈ 999.972 kg/m 3× 1 ft × ɡ0≈ 7003298898000000000♠2.988 98×10 3 Pa
inch of mercury(conventional)inHg≡ 7004135951000000000♠13 595.1 kg/m 3× 1 in × ɡ0≈ 7003338638899999999♠3.386 389×10 3 Pa
inchof water(39.2 °F)inH 2O≈ 999.972 kg/m 3× 1 in × ɡ0≈ 7002249082000000000♠249.082 Pa
kilogram-force per square millimetrekgf/mm 2≡ 1 kgf/mm 2= 7006980665000000000♠9.806 65×10 6 Pa
kipper square inchksi≡ 1 kipf/sq in≈ 7006689475700000000♠6.894 757×10 6 Pa
long tonper square foot ≡ 1 long ton × ɡ0/ 1 sq ft≈ 7005107251780115950♠1.072 5178011595×10 5 Pa
micrometre of mercuryμmHg≡ 7004135951000000000♠13 595.1 kg/m 3× 1 μm × ɡ0≈ 0.001 torr≈ 6999133322400000000♠0.133 3224 Pa
millimetre of mercury mmHg≡ 7004135951000000000♠13 595.1 kg/m 3× 1 mm × ɡ0≈ 1 torr≈ 7002133322399999999♠133.3224 Pa
millimetre of water(3.98 °C)mmH 2O≈ 999.972 kg/m 3× 1 mm × ɡ0= 6999999972000000000♠0.999 972 kgf/m 2= 7000980638000000000♠9.806 38 Pa
pascal(SI unit)Pa≡ N/m 2= kg/(m·s 2)= 1 Pa
pièze ( mtsunit)pz≡ 7003100000000000000♠1000 kg/m·s 2= 7003100000000000000♠10 3 Pa= 1 kPa
poundper square footpsf≡ 1 lbf/ft 2≈ 7001478802600000000♠47.880 26 Pa
pound per square inchpsi≡ 1 lbf/in 2≈ 7003689475700000000♠6.894 757×10 3 Pa
poundalper square footpdl/sq ft≡ 1 pdl/sq ft≈ 7000148816400000000♠1.488 164 Pa
short tonper square foot ≡ 1 short ton × ɡ0/ 1 sq ft≈ 7004957605180000000♠9.576 0518×10 4 Pa
torrtorr≡ ​ 7005101325000000000♠101 325⁄ 760Pa≈ 7002133322399999999♠133.3224 Pa