Bar
The bar (symbol bar) and the millibar (symbol mbar, also mb) are units of pressure. They are not SI units, but accepted (although discouraged) for use with the SI. The bar is still widely used in descriptions of pressure because it is about the same as atmospheric pressure.
Metric
- Megapascal (MPa)0.1
- Bar1
- kgf/cm²1.02
- Kilopascal (kPa)100
- Hectopascal (hPa)1,000
- Millibar1,000
- kgf/m²10,197.16
- Pascal (Pa)100,000
Avoirdupois (U.S.)
Water
- Metre of water (mH2O)10.2
- Centimetre of water (cmH2O)1,019.74
- Foot of water (ftH20)33.46
- Inch of water (inH2O)401.47
Atmosphere
Mercury
- Inch of mercury (inHg)29.53
- Centimetres of mercury (cmHg)75.01
- Millimetres of mercury (mmHg)750.06
- Torr (torr)750.06