Pressure Converter
Convert psi, bar, kPa, atmospheres, mmHg and inHg — for tires, weather, gauges and science.
How to use
- 1Enter a pressure and choose its unit.
- 2Choose the unit to convert to.
How it's calculated
Converts through pascals. 1 bar = 100,000 Pa; 1 psi = 6,894.757 Pa; 1 standard atmosphere = 101,325 Pa.
Frequently asked questions
How many psi is 1 bar?
About 14.504 psi. Going the other way, 1 psi is about 0.0689 bar.
What is normal atmospheric pressure?
One standard atmosphere: 101.325 kPa, 1.01325 bar, 14.696 psi or 760 mmHg.
What units do tire gauges use?
US gauges usually read psi; much of Europe uses bar. 32 psi is about 2.2 bar.