Pressure Converter Calculator

Pressure units vary by industry. Engineering uses PSI, science uses Pascal, weather uses hPa/mbar.

What this calculator does

1 atm = 101,325 Pa = 14.696 PSI = 1.01325 bar = 760 mmHg

Frequently asked questions

How many PSI in one bar?

1 bar = 14.5038 PSI. 1 PSI = 0.068948 bar.