Units Currencies
Constants
Units Home
Unit Conversion
List Units
List Categories
Currencies
Convert Units
SI System
Base Units
Derived Units
Prefixes
Numbers
Constants
Base-N
Fractions
Time / Decimal
Resources
Bibliography
Hydraulics & Pneumatics

For design and manufacturing engineers involved in buying or specifying fluid power components and systems.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Quality Magazine

Techniques to improve quality on the shop floor and in manufacturing planning.

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

more free magazines
 
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) 
Pressure
  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 
Glossary