Air pressure units conversion

The calculator below converts the pressure units.

Depending on the source, the air pressure in a weather forecast are expressed in different units:

  • hectopascals,
  • milibars or
  • milimeters of mecure.

The calculator converts units used in meteorology as well as more technical units as: standard and technical atmosphere, pascals (Pa), bars (bar), pounds per square inch (psi) and kilogram-force per square meter (kgf/m²).

 




pressure units converter hPa mbar mmHg psi

 

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update: March 2022