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Pressure Converters

Pressure is force distributed over an area — the perpendicular push a fluid or solid exerts on each square unit of surface it contacts. The SI unit is the pascal (Pa), defined as one newton per square meter. Because atmospheric pressure is approximately 101,325 Pa, different fields adopt more convenient units: meteorologists use the millibar (mbar) or hectopascal (hPa); engineers use the bar or pound per square inch (psi); physicians measure blood pressure in millimeters of mercury (mmHg); and vacuum scientists work in torr. Every 10 meters of seawater depth adds roughly 1 bar of pressure. Despite this diversity, all pressure units are interconvertible — 1 atmosphere equals 101,325 Pa, 1.01325 bar, 14.696 psi, or 760 mmHg.

SI Units

Pascal (Pa)

Pascal to Newton per Square Meter (Pa to N/m²)Pascal to Millibar (Pa to mbar)Pascal to Bar (Pa to bar)Pascal to Kilogram-force per Square Centimeter (Pa to kgf/cm²)Pascal to Kilogram-force per Square Meter (Pa to Kgf/m²)Pascal to Newton per Square Centimeter (Pa to N/cm²)
Pascal to Millimeter Water (4 °C) (Pa to mmH20)Pascal to Centimeter Water (4 °C) (Pa to cmH2O)Pascal to Meter Water (4 °C) (Pa to mH2O)Pascal to Inch Water (4 °C) (Pa to inH2O)Pascal to Foot Water (4 °C) (Pa to ftH2O)Pascal to Millimeter Mercury (Pa to mmHg)
Pascal to Inch Mercury (Pa to inHg)Pascal to Torr (Pa to Torr)Pascal to Pound per Square Inch (Pa to psi)Pascal to Pound per Square Foot (Pa to psf)Pascal to Atmosphere (Pa to atm)

Newton per Square Meter (N/m²)

Newton per Square Meter to Pascal (N/m² to Pa)Newton per Square Meter to Millibar (N/m² to mbar)Newton per Square Meter to Bar (N/m² to bar)Newton per Square Meter to Kilogram-force per Square Centimeter (N/m² to kgf/cm²)Newton per Square Meter to Kilogram-force per Square Meter (N/m² to Kgf/m²)Newton per Square Meter to Newton per Square Centimeter (N/m² to N/cm²)
Newton per Square Meter to Millimeter Water (4 °C) (N/m² to mmH20)Newton per Square Meter to Centimeter Water (4 °C) (N/m² to cmH2O)Newton per Square Meter to Meter Water (4 °C) (N/m² to mH2O)Newton per Square Meter to Inch Water (4 °C) (N/m² to inH2O)Newton per Square Meter to Foot Water (4 °C) (N/m² to ftH2O)Newton per Square Meter to Millimeter Mercury (N/m² to mmHg)
Newton per Square Meter to Inch Mercury (N/m² to inHg)Newton per Square Meter to Torr (N/m² to Torr)Newton per Square Meter to Pound per Square Inch (N/m² to psi)Newton per Square Meter to Pound per Square Foot (N/m² to psf)Newton per Square Meter to Atmosphere (N/m² to atm)

Metric Derived Units

Millibar (mbar)

Millibar to Pascal (mbar to Pa)Millibar to Newton per Square Meter (mbar to N/m²)Millibar to Bar (mbar to bar)Millibar to Kilogram-force per Square Centimeter (mbar to kgf/cm²)Millibar to Kilogram-force per Square Meter (mbar to Kgf/m²)Millibar to Newton per Square Centimeter (mbar to N/cm²)
Millibar to Millimeter Water (4 °C) (mbar to mmH20)Millibar to Centimeter Water (4 °C) (mbar to cmH2O)Millibar to Meter Water (4 °C) (mbar to mH2O)Millibar to Inch Water (4 °C) (mbar to inH2O)Millibar to Foot Water (4 °C) (mbar to ftH2O)Millibar to Millimeter Mercury (mbar to mmHg)
Millibar to Inch Mercury (mbar to inHg)Millibar to Torr (mbar to Torr)Millibar to Pound per Square Inch (mbar to psi)Millibar to Pound per Square Foot (mbar to psf)Millibar to Atmosphere (mbar to atm)

Bar (bar)

Bar to Pascal (bar to Pa)Bar to Newton per Square Meter (bar to N/m²)Bar to Millibar (bar to mbar)Bar to Kilogram-force per Square Centimeter (bar to kgf/cm²)Bar to Kilogram-force per Square Meter (bar to Kgf/m²)Bar to Newton per Square Centimeter (bar to N/cm²)
Bar to Millimeter Water (4 °C) (bar to mmH20)Bar to Centimeter Water (4 °C) (bar to cmH2O)Bar to Meter Water (4 °C) (bar to mH2O)Bar to Inch Water (4 °C) (bar to inH2O)Bar to Foot Water (4 °C) (bar to ftH2O)Bar to Millimeter Mercury (bar to mmHg)
Bar to Inch Mercury (bar to inHg)Bar to Torr (bar to Torr)Bar to Pound per Square Inch (bar to psi)Bar to Pound per Square Foot (bar to psf)Bar to Atmosphere (bar to atm)

Kilogram-force per Square Centimeter (kgf/cm²)

Kilogram-force per Square Centimeter to Pascal (kgf/cm² to Pa)Kilogram-force per Square Centimeter to Newton per Square Meter (kgf/cm² to N/m²)Kilogram-force per Square Centimeter to Millibar (kgf/cm² to mbar)Kilogram-force per Square Centimeter to Bar (kgf/cm² to bar)Kilogram-force per Square Centimeter to Kilogram-force per Square Meter (kgf/cm² to Kgf/m²)Kilogram-force per Square Centimeter to Newton per Square Centimeter (kgf/cm² to N/cm²)
Kilogram-force per Square Centimeter to Millimeter Water (4 °C) (kgf/cm² to mmH20)Kilogram-force per Square Centimeter to Centimeter Water (4 °C) (kgf/cm² to cmH2O)Kilogram-force per Square Centimeter to Meter Water (4 °C) (kgf/cm² to mH2O)Kilogram-force per Square Centimeter to Inch Water (4 °C) (kgf/cm² to inH2O)Kilogram-force per Square Centimeter to Foot Water (4 °C) (kgf/cm² to ftH2O)Kilogram-force per Square Centimeter to Millimeter Mercury (kgf/cm² to mmHg)
Kilogram-force per Square Centimeter to Inch Mercury (kgf/cm² to inHg)Kilogram-force per Square Centimeter to Torr (kgf/cm² to Torr)Kilogram-force per Square Centimeter to Pound per Square Inch (kgf/cm² to psi)Kilogram-force per Square Centimeter to Pound per Square Foot (kgf/cm² to psf)Kilogram-force per Square Centimeter to Atmosphere (kgf/cm² to atm)

Kilogram-force per Square Meter (Kgf/m²)

Kilogram-force per Square Meter to Pascal (Kgf/m² to Pa)Kilogram-force per Square Meter to Newton per Square Meter (Kgf/m² to N/m²)Kilogram-force per Square Meter to Millibar (Kgf/m² to mbar)Kilogram-force per Square Meter to Bar (Kgf/m² to bar)Kilogram-force per Square Meter to Kilogram-force per Square Centimeter (Kgf/m² to kgf/cm²)Kilogram-force per Square Meter to Newton per Square Centimeter (Kgf/m² to N/cm²)
Kilogram-force per Square Meter to Millimeter Water (4 °C) (Kgf/m² to mmH20)Kilogram-force per Square Meter to Centimeter Water (4 °C) (Kgf/m² to cmH2O)Kilogram-force per Square Meter to Meter Water (4 °C) (Kgf/m² to mH2O)Kilogram-force per Square Meter to Inch Water (4 °C) (Kgf/m² to inH2O)Kilogram-force per Square Meter to Foot Water (4 °C) (Kgf/m² to ftH2O)Kilogram-force per Square Meter to Millimeter Mercury (Kgf/m² to mmHg)
Kilogram-force per Square Meter to Inch Mercury (Kgf/m² to inHg)Kilogram-force per Square Meter to Torr (Kgf/m² to Torr)Kilogram-force per Square Meter to Pound per Square Inch (Kgf/m² to psi)Kilogram-force per Square Meter to Pound per Square Foot (Kgf/m² to psf)Kilogram-force per Square Meter to Atmosphere (Kgf/m² to atm)

Newton per Square Centimeter (N/cm²)

Newton per Square Centimeter to Pascal (N/cm² to Pa)Newton per Square Centimeter to Newton per Square Meter (N/cm² to N/m²)Newton per Square Centimeter to Millibar (N/cm² to mbar)Newton per Square Centimeter to Bar (N/cm² to bar)Newton per Square Centimeter to Kilogram-force per Square Centimeter (N/cm² to kgf/cm²)Newton per Square Centimeter to Kilogram-force per Square Meter (N/cm² to Kgf/m²)
Newton per Square Centimeter to Millimeter Water (4 °C) (N/cm² to mmH20)Newton per Square Centimeter to Centimeter Water (4 °C) (N/cm² to cmH2O)Newton per Square Centimeter to Meter Water (4 °C) (N/cm² to mH2O)Newton per Square Centimeter to Inch Water (4 °C) (N/cm² to inH2O)Newton per Square Centimeter to Foot Water (4 °C) (N/cm² to ftH2O)Newton per Square Centimeter to Millimeter Mercury (N/cm² to mmHg)
Newton per Square Centimeter to Inch Mercury (N/cm² to inHg)Newton per Square Centimeter to Torr (N/cm² to Torr)Newton per Square Centimeter to Pound per Square Inch (N/cm² to psi)Newton per Square Centimeter to Pound per Square Foot (N/cm² to psf)Newton per Square Centimeter to Atmosphere (N/cm² to atm)

Water Based Units

Millimeter Water (4 °C) (mmH20)

Millimeter Water (4 °C) to Pascal (mmH20 to Pa)Millimeter Water (4 °C) to Newton per Square Meter (mmH20 to N/m²)Millimeter Water (4 °C) to Millibar (mmH20 to mbar)Millimeter Water (4 °C) to Bar (mmH20 to bar)Millimeter Water (4 °C) to Kilogram-force per Square Centimeter (mmH20 to kgf/cm²)Millimeter Water (4 °C) to Kilogram-force per Square Meter (mmH20 to Kgf/m²)
Millimeter Water (4 °C) to Newton per Square Centimeter (mmH20 to N/cm²)Millimeter Water (4 °C) to Centimeter Water (4 °C) (mmH20 to cmH2O)Millimeter Water (4 °C) to Meter Water (4 °C) (mmH20 to mH2O)Millimeter Water (4 °C) to Inch Water (4 °C) (mmH20 to inH2O)Millimeter Water (4 °C) to Foot Water (4 °C) (mmH20 to ftH2O)Millimeter Water (4 °C) to Millimeter Mercury (mmH20 to mmHg)
Millimeter Water (4 °C) to Inch Mercury (mmH20 to inHg)Millimeter Water (4 °C) to Torr (mmH20 to Torr)Millimeter Water (4 °C) to Pound per Square Inch (mmH20 to psi)Millimeter Water (4 °C) to Pound per Square Foot (mmH20 to psf)Millimeter Water (4 °C) to Atmosphere (mmH20 to atm)

Centimeter Water (4 °C) (cmH2O)

Centimeter Water (4 °C) to Pascal (cmH2O to Pa)Centimeter Water (4 °C) to Newton per Square Meter (cmH2O to N/m²)Centimeter Water (4 °C) to Millibar (cmH2O to mbar)Centimeter Water (4 °C) to Bar (cmH2O to bar)Centimeter Water (4 °C) to Kilogram-force per Square Centimeter (cmH2O to kgf/cm²)Centimeter Water (4 °C) to Kilogram-force per Square Meter (cmH2O to Kgf/m²)
Centimeter Water (4 °C) to Newton per Square Centimeter (cmH2O to N/cm²)Centimeter Water (4 °C) to Millimeter Water (4 °C) (cmH2O to mmH20)Centimeter Water (4 °C) to Meter Water (4 °C) (cmH2O to mH2O)Centimeter Water (4 °C) to Inch Water (4 °C) (cmH2O to inH2O)Centimeter Water (4 °C) to Foot Water (4 °C) (cmH2O to ftH2O)Centimeter Water (4 °C) to Millimeter Mercury (cmH2O to mmHg)
Centimeter Water (4 °C) to Inch Mercury (cmH2O to inHg)Centimeter Water (4 °C) to Torr (cmH2O to Torr)Centimeter Water (4 °C) to Pound per Square Inch (cmH2O to psi)Centimeter Water (4 °C) to Pound per Square Foot (cmH2O to psf)Centimeter Water (4 °C) to Atmosphere (cmH2O to atm)

Meter Water (4 °C) (mH2O)

Meter Water (4 °C) to Pascal (mH2O to Pa)Meter Water (4 °C) to Newton per Square Meter (mH2O to N/m²)Meter Water (4 °C) to Millibar (mH2O to mbar)Meter Water (4 °C) to Bar (mH2O to bar)Meter Water (4 °C) to Kilogram-force per Square Centimeter (mH2O to kgf/cm²)Meter Water (4 °C) to Kilogram-force per Square Meter (mH2O to Kgf/m²)
Meter Water (4 °C) to Newton per Square Centimeter (mH2O to N/cm²)Meter Water (4 °C) to Millimeter Water (4 °C) (mH2O to mmH20)Meter Water (4 °C) to Centimeter Water (4 °C) (mH2O to cmH2O)Meter Water (4 °C) to Inch Water (4 °C) (mH2O to inH2O)Meter Water (4 °C) to Foot Water (4 °C) (mH2O to ftH2O)Meter Water (4 °C) to Millimeter Mercury (mH2O to mmHg)
Meter Water (4 °C) to Inch Mercury (mH2O to inHg)Meter Water (4 °C) to Torr (mH2O to Torr)Meter Water (4 °C) to Pound per Square Inch (mH2O to psi)Meter Water (4 °C) to Pound per Square Foot (mH2O to psf)Meter Water (4 °C) to Atmosphere (mH2O to atm)

Inch Water (4 °C) (inH2O)

Inch Water (4 °C) to Pascal (inH2O to Pa)Inch Water (4 °C) to Newton per Square Meter (inH2O to N/m²)Inch Water (4 °C) to Millibar (inH2O to mbar)Inch Water (4 °C) to Bar (inH2O to bar)Inch Water (4 °C) to Kilogram-force per Square Centimeter (inH2O to kgf/cm²)Inch Water (4 °C) to Kilogram-force per Square Meter (inH2O to Kgf/m²)
Inch Water (4 °C) to Newton per Square Centimeter (inH2O to N/cm²)Inch Water (4 °C) to Millimeter Water (4 °C) (inH2O to mmH20)Inch Water (4 °C) to Centimeter Water (4 °C) (inH2O to cmH2O)Inch Water (4 °C) to Meter Water (4 °C) (inH2O to mH2O)Inch Water (4 °C) to Foot Water (4 °C) (inH2O to ftH2O)Inch Water (4 °C) to Millimeter Mercury (inH2O to mmHg)
Inch Water (4 °C) to Inch Mercury (inH2O to inHg)Inch Water (4 °C) to Torr (inH2O to Torr)Inch Water (4 °C) to Pound per Square Inch (inH2O to psi)Inch Water (4 °C) to Pound per Square Foot (inH2O to psf)Inch Water (4 °C) to Atmosphere (inH2O to atm)

Foot Water (4 °C) (ftH2O)

Foot Water (4 °C) to Pascal (ftH2O to Pa)Foot Water (4 °C) to Newton per Square Meter (ftH2O to N/m²)Foot Water (4 °C) to Millibar (ftH2O to mbar)Foot Water (4 °C) to Bar (ftH2O to bar)Foot Water (4 °C) to Kilogram-force per Square Centimeter (ftH2O to kgf/cm²)Foot Water (4 °C) to Kilogram-force per Square Meter (ftH2O to Kgf/m²)
Foot Water (4 °C) to Newton per Square Centimeter (ftH2O to N/cm²)Foot Water (4 °C) to Millimeter Water (4 °C) (ftH2O to mmH20)Foot Water (4 °C) to Centimeter Water (4 °C) (ftH2O to cmH2O)Foot Water (4 °C) to Meter Water (4 °C) (ftH2O to mH2O)Foot Water (4 °C) to Inch Water (4 °C) (ftH2O to inH2O)Foot Water (4 °C) to Millimeter Mercury (ftH2O to mmHg)
Foot Water (4 °C) to Inch Mercury (ftH2O to inHg)Foot Water (4 °C) to Torr (ftH2O to Torr)Foot Water (4 °C) to Pound per Square Inch (ftH2O to psi)Foot Water (4 °C) to Pound per Square Foot (ftH2O to psf)Foot Water (4 °C) to Atmosphere (ftH2O to atm)

Mercury Based Units

Millimeter Mercury (mmHg)

Millimeter Mercury to Pascal (mmHg to Pa)Millimeter Mercury to Newton per Square Meter (mmHg to N/m²)Millimeter Mercury to Millibar (mmHg to mbar)Millimeter Mercury to Bar (mmHg to bar)Millimeter Mercury to Kilogram-force per Square Centimeter (mmHg to kgf/cm²)Millimeter Mercury to Kilogram-force per Square Meter (mmHg to Kgf/m²)
Millimeter Mercury to Newton per Square Centimeter (mmHg to N/cm²)Millimeter Mercury to Millimeter Water (4 °C) (mmHg to mmH20)Millimeter Mercury to Centimeter Water (4 °C) (mmHg to cmH2O)Millimeter Mercury to Meter Water (4 °C) (mmHg to mH2O)Millimeter Mercury to Inch Water (4 °C) (mmHg to inH2O)Millimeter Mercury to Foot Water (4 °C) (mmHg to ftH2O)
Millimeter Mercury to Inch Mercury (mmHg to inHg)Millimeter Mercury to Torr (mmHg to Torr)Millimeter Mercury to Pound per Square Inch (mmHg to psi)Millimeter Mercury to Pound per Square Foot (mmHg to psf)Millimeter Mercury to Atmosphere (mmHg to atm)

Inch Mercury (inHg)

Inch Mercury to Pascal (inHg to Pa)Inch Mercury to Newton per Square Meter (inHg to N/m²)Inch Mercury to Millibar (inHg to mbar)Inch Mercury to Bar (inHg to bar)Inch Mercury to Kilogram-force per Square Centimeter (inHg to kgf/cm²)Inch Mercury to Kilogram-force per Square Meter (inHg to Kgf/m²)
Inch Mercury to Newton per Square Centimeter (inHg to N/cm²)Inch Mercury to Millimeter Water (4 °C) (inHg to mmH20)Inch Mercury to Centimeter Water (4 °C) (inHg to cmH2O)Inch Mercury to Meter Water (4 °C) (inHg to mH2O)Inch Mercury to Inch Water (4 °C) (inHg to inH2O)Inch Mercury to Foot Water (4 °C) (inHg to ftH2O)
Inch Mercury to Millimeter Mercury (inHg to mmHg)Inch Mercury to Torr (inHg to Torr)Inch Mercury to Pound per Square Inch (inHg to psi)Inch Mercury to Pound per Square Foot (inHg to psf)Inch Mercury to Atmosphere (inHg to atm)

Torr (Torr)

Torr to Pascal (Torr to Pa)Torr to Newton per Square Meter (Torr to N/m²)Torr to Millibar (Torr to mbar)Torr to Bar (Torr to bar)Torr to Kilogram-force per Square Centimeter (Torr to kgf/cm²)Torr to Kilogram-force per Square Meter (Torr to Kgf/m²)
Torr to Newton per Square Centimeter (Torr to N/cm²)Torr to Millimeter Water (4 °C) (Torr to mmH20)Torr to Centimeter Water (4 °C) (Torr to cmH2O)Torr to Meter Water (4 °C) (Torr to mH2O)Torr to Inch Water (4 °C) (Torr to inH2O)Torr to Foot Water (4 °C) (Torr to ftH2O)
Torr to Millimeter Mercury (Torr to mmHg)Torr to Inch Mercury (Torr to inHg)Torr to Pound per Square Inch (Torr to psi)Torr to Pound per Square Foot (Torr to psf)Torr to Atmosphere (Torr to atm)

US Customary Units

Pound per Square Inch (psi)

Pound per Square Inch to Pascal (psi to Pa)Pound per Square Inch to Newton per Square Meter (psi to N/m²)Pound per Square Inch to Millibar (psi to mbar)Pound per Square Inch to Bar (psi to bar)Pound per Square Inch to Kilogram-force per Square Centimeter (psi to kgf/cm²)Pound per Square Inch to Kilogram-force per Square Meter (psi to Kgf/m²)
Pound per Square Inch to Newton per Square Centimeter (psi to N/cm²)Pound per Square Inch to Millimeter Water (4 °C) (psi to mmH20)Pound per Square Inch to Centimeter Water (4 °C) (psi to cmH2O)Pound per Square Inch to Meter Water (4 °C) (psi to mH2O)Pound per Square Inch to Inch Water (4 °C) (psi to inH2O)Pound per Square Inch to Foot Water (4 °C) (psi to ftH2O)
Pound per Square Inch to Millimeter Mercury (psi to mmHg)Pound per Square Inch to Inch Mercury (psi to inHg)Pound per Square Inch to Torr (psi to Torr)Pound per Square Inch to Pound per Square Foot (psi to psf)Pound per Square Inch to Atmosphere (psi to atm)

Pound per Square Foot (psf)

Pound per Square Foot to Pascal (psf to Pa)Pound per Square Foot to Newton per Square Meter (psf to N/m²)Pound per Square Foot to Millibar (psf to mbar)Pound per Square Foot to Bar (psf to bar)Pound per Square Foot to Kilogram-force per Square Centimeter (psf to kgf/cm²)Pound per Square Foot to Kilogram-force per Square Meter (psf to Kgf/m²)
Pound per Square Foot to Newton per Square Centimeter (psf to N/cm²)Pound per Square Foot to Millimeter Water (4 °C) (psf to mmH20)Pound per Square Foot to Centimeter Water (4 °C) (psf to cmH2O)Pound per Square Foot to Meter Water (4 °C) (psf to mH2O)Pound per Square Foot to Inch Water (4 °C) (psf to inH2O)Pound per Square Foot to Foot Water (4 °C) (psf to ftH2O)
Pound per Square Foot to Millimeter Mercury (psf to mmHg)Pound per Square Foot to Inch Mercury (psf to inHg)Pound per Square Foot to Torr (psf to Torr)Pound per Square Foot to Pound per Square Inch (psf to psi)Pound per Square Foot to Atmosphere (psf to atm)

Additional Common Units

Atmosphere (atm)

Atmosphere to Pascal (atm to Pa)Atmosphere to Newton per Square Meter (atm to N/m²)Atmosphere to Millibar (atm to mbar)Atmosphere to Bar (atm to bar)Atmosphere to Kilogram-force per Square Centimeter (atm to kgf/cm²)Atmosphere to Kilogram-force per Square Meter (atm to Kgf/m²)
Atmosphere to Newton per Square Centimeter (atm to N/cm²)Atmosphere to Millimeter Water (4 °C) (atm to mmH20)Atmosphere to Centimeter Water (4 °C) (atm to cmH2O)Atmosphere to Meter Water (4 °C) (atm to mH2O)Atmosphere to Inch Water (4 °C) (atm to inH2O)Atmosphere to Foot Water (4 °C) (atm to ftH2O)
Atmosphere to Millimeter Mercury (atm to mmHg)Atmosphere to Inch Mercury (atm to inHg)Atmosphere to Torr (atm to Torr)Atmosphere to Pound per Square Inch (atm to psi)Atmosphere to Pound per Square Foot (atm to psf)

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