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Symbol:  bar 
Category:  Pressure 
SI Equivalent:  1×105 Pa
Dimension ML-1T-2 
Pressure unit employed in fluid mechanics.
Convert     bar  
1 bar =
Energy density
  Symbol Unit Name
2.68392  Btu (IT)/ft3  British thermal unit (IT) per cubic foot 
0.430886  Btu (IT)/gal (UK)  British thermal unit (IT) per gallon (UK) 
0.358788  Btu (IT)/gal (US)  British thermal unit (IT) per gallon (US) 
1×105  J/m3  joule per cubic meter 
100  kJ/m3  kilojoule per cubic meter 
12.5664  MGOe  megagauss-oersted (MGOe) 
  Symbol Unit Name
1.01972  at  atmosphere (metric) 
0.986923  atm  atmosphere (standard) 
10×105  barad  barad 
10×105    barye 
75.0062    centiHg (0°C) 
75.0062  cmHg (0 °C)  centimeter of mercury (0°C) 
1019.74  cmH2O  centimeter of water (4°C) 
10×105  dyn/cm2  dyne per square centimeter 
33.4562  ft H2O  foot of water (4°C) 
1×10-4  GPa  gigapascal 
1000  hPa  hectopascal 
29.53  inHg (0 °C)  inch of mercury (0°C) 
29.6105  inHg (15.56 °C)  inch of mercury (15.56°C) 
401.856  inH2O (15.56 °C)  inch of water (15.56°C) 
401.474  inH2O (4 °C)  inch of water (4°C) 
1.01972  kgf/cm2  kilogram force per square centimeter 
101.972  kgf/dm2  kilogram force per square decimeter 
1.01972×104  kgf/m2  kilogram force per square meter 
1.01972×10-2  kgf/mm2  kilogram force per square millimeter 
100  kPa  kilopascal 
1.45038×10-2  kip/in2, ksi, KSI  kilopound force per square inch 
0.1  MPa  megapascal 
10.2071  mH2O, mCE (15.56 °C)  meter of water (15.56°C) 
10.1974  mH2O, mCE (4 °C)  meter of water (4°C) 
10×105  µbar  microbar (barye, barrie) 
7.50062×105  µHg (0 °C)  micron of mercury (millitorr) 
1000  mbar  millibar 
750.062  mmHg, torr, Torr (0 °C)  millimeter of mercury (0°C) 
1.02071×104  mmH2O, mmCE (15.56 °C)  millimeter of water (15.56°C) 
1.01974×104  mmH2O, mmCE (4 °C)  millimeter of water (4°C) 
7.50062×105  mtorr  millitorr 
1×105  N/m2  newton per square meter 
232.06  ozf/in2, osi  ounce force (av.) per square inch 
1×105  Pa, N/m2  pascal 
2088.54  lbf/ft2  pound force per square foot 
14.5038  psi, PSI, lbf/in2  pound force per square inch 
6.71969×104  pdl/ft2  poundal per square foot 
466.645  pdl/in2  poundal per square inch 
0.986923  atm  standard atmosphere 
0.932385  tonf/ft2 (UK)  ton force (long) per square foot 
6.4749×10-3  tonf/in2 (UK)  ton force (long) per square inch 
1.01972×10-3  tonf/cm2 (metric)  ton force (metric) per square centimeter 
10.1972  tonf/m2 (metric)  ton force (metric) per square meter 
1.04427  tonf/ft2 (US)  ton force (short) per square foot 
7.25189×10-3  tonf/in2 (US)  ton force (short) per square inch 
750.062  torr  torr