Convert pressure between Pa, bar, atm, psi, mmHg and more.
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Understanding your result
mmHg and torr are essentially identical for everyday use.
Formula and method
Each unit converts through pascals (1 atm = 101,325 Pa; 1 bar = 100,000 Pa; 1 psi ≈ 6,894.76 Pa).
Worked example
1 atm equals 101,325 Pa, about 14.696 psi.
How to use this tool
- Enter a value and choose units.
- The converted value appears instantly.
Common mistakes to avoid
- Confusing gauge pressure with absolute pressure.
About the Pressure Converter
Convert a pressure value between pascals, bar, atmospheres, psi and millimetres of mercury.
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Frequently asked questions
How many psi in a bar?
One bar is about 14.504 psi.