Convert between every common pressure unit, from scientific pascals to automotive PSI and barometric mmHg.
How it works
- Select your starting and ending pressure units.
- Enter the known pressure value.
- The engine normalizes via Pascals to output the converted metric.
Frequently asked questions
PSI to bar quick rule?
Divide PSI by about 14.5; 30 PSI is roughly 2.07 bar.
What is standard atmospheric pressure?
1 atm = 101,325 Pa = 14.7 PSI = 1.013 bar at sea level.
Why is tire pressure in PSI or bar?
Regional convention: PSI dominates in the US, bar in much of Europe. The numbers differ ~14.5x.