Pressure Converter

Convert pressure between pascals, kilopascals, megapascals, bar, millibar, psi, atmospheres, mmHg, inHg, and torr, with all equivalents shown at once.

Share this calculator

Pressure

Convert pressure between SI, metric, and imperial units

Enter a value and choose a unit to see all equivalents at once — pascals, kilopascals, megapascals, bar, millibars, psi, atmospheres, millimetres of mercury, inches of mercury, and torr.

SI

Pascals 1 Pa
Kilopascals 0.001 kPa
Megapascals 1e-6 MPa

Metric

Bar 1e-5 bar
Millibars 0.01 mbar

Imperial

Pounds per square inch 1.45e-4 psi
Inches of mercury 2.953e-4 inHg

Other

Atmospheres 9.869e-6 atm
Millimetres of mercury 0.0075 mmHg
Torr 0.0075 Torr

Related

More from nearby categories

These related calculators come from the same leaf category, nearby sibling categories, or the same top-level topic.