Unit Converters
Pressure Converter
Convert between Pa, bar, psi, atm, and mmHg.
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About the Pressure Converter
Convert pressure units free — psi to bar, bar to psi, kPa to psi, and atm to Pa — with instant, accurate results (1 bar ≈ 14.504 psi; 1 atm = 101.325 kPa). Covers pascals, kilopascals, bar, PSI, atmospheres, and mmHg/Torr, so it works for tire pressure, weather data, scuba, HVAC, and engineering specs.
How to use the Pressure Converter
- 01Enter a value.
- 02Pick the unit to convert from.
- 03Read every other unit and copy.
Frequently asked questions
How many PSI in a bar?
1 bar ≈ 14.504 PSI.
What is 1 atmosphere?
1 atm = 101,325 Pa ≈ 14.696 PSI.
What PSI should car tires be?
Most passenger cars run 32–35 PSI (2.2–2.4 bar) cold — always check the sticker inside the driver's door, not the tire sidewall.