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pound force per square inch
Symbol:  psi, PSI, lbf/in2 
Category:  Pressure 
SI Equivalent:  6894.76 Pa
Dimension ML-1T-2 
System:  UK, US, FPS 
Convert     psi, PSI, lbf/in2  
1 psi, PSI, lbf/in2 =
Energy density
  Symbol Unit Name
0.18505  Btu (IT)/ft3  British thermal unit (IT) per cubic foot 
2.97086×10-2  Btu (IT)/gal (UK)  British thermal unit (IT) per gallon (UK) 
2.47375×10-2  Btu (IT)/gal (US)  British thermal unit (IT) per gallon (US) 
6894.76  J/m3  joule per cubic meter 
6.89476  kJ/m3  kilojoule per cubic meter 
0.866421  MGOe  megagauss-oersted (MGOe) 
  Symbol Unit Name
7.0307×10-2  at  atmosphere (metric) 
6.8046×10-2  atm  atmosphere (standard) 
6.89476×10-2  bar  bar 
6.89476×104  barad  barad 
6.89476×104    barye 
5.17149    centiHg (0°C) 
5.17149  cmHg (0 °C)  centimeter of mercury (0°C) 
70.3089  cmH2O  centimeter of water (4°C) 
6.89476×104  dyn/cm2  dyne per square centimeter 
2.30672  ft H2O  foot of water (4°C) 
6.89476×10-6  GPa  gigapascal 
68.9476  hPa  hectopascal 
2.03602  inHg (0 °C)  inch of mercury (0°C) 
2.04157  inHg (15.56 °C)  inch of mercury (15.56°C) 
27.707  inH2O (15.56 °C)  inch of water (15.56°C) 
27.6807  inH2O (4 °C)  inch of water (4°C) 
7.0307×10-2  kgf/cm2  kilogram force per square centimeter 
7.0307  kgf/dm2  kilogram force per square decimeter 
703.07  kgf/m2  kilogram force per square meter 
7.0307×10-4  kgf/mm2  kilogram force per square millimeter 
6.89476  kPa  kilopascal 
10×10-4  kip/in2, ksi, KSI  kilopound force per square inch 
6.89476×10-3  MPa  megapascal 
0.703758  mH2O, mCE (15.56 °C)  meter of water (15.56°C) 
0.703089  mH2O, mCE (4 °C)  meter of water (4°C) 
6.89476×104  µbar  microbar (barye, barrie) 
5.17149×104  µHg (0 °C)  micron of mercury (millitorr) 
68.9476  mbar  millibar 
51.7149  mmHg, torr, Torr (0 °C)  millimeter of mercury (0°C) 
703.758  mmH2O, mmCE (15.56 °C)  millimeter of water (15.56°C) 
703.089  mmH2O, mmCE (4 °C)  millimeter of water (4°C) 
5.17149×104  mtorr  millitorr 
6894.76  N/m2  newton per square meter 
16  ozf/in2, osi  ounce force (av.) per square inch 
6894.76  Pa, N/m2  pascal 
144  lbf/ft2  pound force per square foot 
4633.06  pdl/ft2  poundal per square foot 
32.174  pdl/in2  poundal per square inch 
6.8046×10-2  atm  standard atmosphere 
6.42857×10-2  tonf/ft2 (UK)  ton force (long) per square foot 
4.46429×10-4  tonf/in2 (UK)  ton force (long) per square inch 
7.0307×10-5  tonf/cm2 (metric)  ton force (metric) per square centimeter 
0.70307  tonf/m2 (metric)  ton force (metric) per square meter 
7.2×10-2  tonf/ft2 (US)  ton force (short) per square foot 
5×10-4  tonf/in2 (US)  ton force (short) per square inch 
51.7149  torr  torr