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Symbol:  MPa 
Category:  Pressure 
SI Equivalent:  1×106 Pa
Dimension ML-1T-2 
System:  SI 
Convert     MPa  
405 MPa =
Energy density
  Symbol Unit Name
1.08699×104  Btu (IT)/ft3  British thermal unit (IT) per cubic foot 
1745.09  Btu (IT)/gal (UK)  British thermal unit (IT) per gallon (UK) 
1453.09  Btu (IT)/gal (US)  British thermal unit (IT) per gallon (US) 
4.05×108  J/m3  joule per cubic meter 
4.05×105  kJ/m3  kilojoule per cubic meter 
5.08938×104  MGOe  megagauss-oersted (MGOe) 
  Symbol Unit Name
4129.85  at  atmosphere (metric) 
3997.04  atm  atmosphere (standard) 
4050  bar  bar 
4.05×109  barad  barad 
4.05×109    barye 
3.03775×105    centiHg (0°C) 
3.03775×105  cmHg (0 °C)  centimeter of mercury (0°C) 
4.12997×106  cmH2O  centimeter of water (4°C) 
4.05×109  dyn/cm2  dyne per square centimeter 
1.35498×105  ft H2O  foot of water (4°C) 
0.405  GPa  gigapascal 
4.05×106  hPa  hectopascal 
1.19597×105  inHg (0 °C)  inch of mercury (0°C) 
1.19922×105  inHg (15.56 °C)  inch of mercury (15.56°C) 
1.62752×106  inH2O (15.56 °C)  inch of water (15.56°C) 
1.62597×106  inH2O (4 °C)  inch of water (4°C) 
4129.85  kgf/cm2  kilogram force per square centimeter 
4.12985×105  kgf/dm2  kilogram force per square decimeter 
4.12985×107  kgf/m2  kilogram force per square meter 
41.2985  kgf/mm2  kilogram force per square millimeter 
4.05×105  kPa  kilopascal 
58.7403  kip/in2, ksi, KSI  kilopound force per square inch 
4.13389×104  mH2O, mCE (15.56 °C)  meter of water (15.56°C) 
4.12997×104  mH2O, mCE (4 °C)  meter of water (4°C) 
4.05×109  µbar  microbar (barye, barrie) 
3.03775×109  µHg (0 °C)  micron of mercury (millitorr) 
4.05×106  mbar  millibar 
3.03775×106  mmHg, torr, Torr (0 °C)  millimeter of mercury (0°C) 
4.13389×107  mmH2O, mmCE (15.56 °C)  millimeter of water (15.56°C) 
4.12997×107  mmH2O, mmCE (4 °C)  millimeter of water (4°C) 
3.03775×109  mtorr  millitorr 
4.05×108  N/m2  newton per square meter 
9.39845×105  ozf/in2, osi  ounce force (av.) per square inch 
4.05×108  Pa, N/m2  pascal 
8.4586×106  lbf/ft2  pound force per square foot 
5.87403×104  psi, PSI, lbf/in2  pound force per square inch 
2.72147×108  pdl/ft2  poundal per square foot 
1.88991×106  pdl/in2  poundal per square inch 
3997.04  atm  standard atmosphere 
3776.16  tonf/ft2 (UK)  ton force (long) per square foot 
26.2233  tonf/in2 (UK)  ton force (long) per square inch 
4.12985  tonf/cm2 (metric)  ton force (metric) per square centimeter 
4.12985×104  tonf/m2 (metric)  ton force (metric) per square meter 
4229.3  tonf/ft2 (US)  ton force (short) per square foot 
29.3701  tonf/in2 (US)  ton force (short) per square inch 
3.03775×106  torr  torr