Pressure Converter
Convert instantly between bar, pascal, kilopascal, hectopascal, atmosphere, psi and mmHg. Handy for tire pressure and engineering calculations.
All conversions — 1 bar
Millibar (mbar)1,000
Atmosphere (atm)0.9869
Pascal (Pa)100,000
Kilopascal (kPa)100
Hectopascal (hPa)1,000
PSI (psi)14.5038
mmHg (Torr) (mmHg)750.0617
About
The pressure converter handles units used everywhere from tire pressure to meteorology, diving and engineering. The bar-to-psi conversion in particular is common when inflating tires.
1 bar = 100,000 Pa and 1 atm = 101,325 Pa. The calculation runs instantly in your browser; your data is never sent out.
How to use
- Enter the pressure value you want to convert.
- Pick the source unit (e.g. bar) and the target unit (e.g. psi).
- The result and all unit equivalents are listed instantly.
Frequently Asked Questions
- How many psi is 1 bar?
- 1 bar is about 14.5 psi.
- How many bar is 1 atm?
- 1 atm is about 1.01325 bar.