Toolyard

Pressure Converter

Pressure units for tyres, weather and diving. Tyre placards are usually in psi or bar; barometers report in hPa or mmHg.

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0.001

1 pascal = 0.001 kilopascals · open this conversion

Units covered

UnitSymbolIn pascals
PascalsPa1
KilopascalskPa1,000
Barbar100,000
Pounds per square inchpsi6,894.75729
Standard atmospheresatm101,325
Millimetres of mercurymmHg133.322387

The millimetre of mercury used here is the conventional 133.322387415 Pa, defined from mercury density and standard gravity. It is very slightly larger than the torr, which is defined as exactly 1/760 of an atmosphere — so 760 mmHg is 1.00000014 atm, not exactly 1.

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