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Pressure Converter
Convert between pressure units — pascal, kilopascal, bar, psi, atmosphere, mmHg, inHg and millibar — instantly.
Conversion Formula
1 bar = 100,000 Pa · 1 psi = 6,894.76 Pa · 1 atm = 101,325 Pa · 1 kPa = 1,000 Pa
Common Pressure Converter Reference
| From | Equals | Also |
|---|
| 1 bar | 14.5038 psi | 100 kPa |
| 1 psi | 6.89476 kPa | 0.0689476 bar |
| 1 atm | 101.325 kPa | 14.6959 psi |
| 1 kPa | 0.145038 psi | 10 mbar |
| 1 mmHg | 133.322 Pa | 0.0193368 psi |
| 1 MPa | 145.038 psi | 10 bar |
How to Convert Pressure
- Enter the value you want to convert.
- Choose the From unit.
- Choose the To unit.
- Click Convert to see the result instantly.
Frequently Asked Questions
What is the difference between bar and psi?+
1 bar = 14.5038 psi. Bar is metric; psi (pounds per square inch) is imperial.
What is standard atmospheric pressure?+
1 atm = 101,325 Pa = 1.01325 bar = 14.6959 psi = 760 mmHg.
How do I convert psi to bar?+
Multiply by 0.0689476. Example: 30 psi = 2.068 bar.
What is tyre pressure usually measured in?+
PSI is used in the US and UK; bar and kPa are used in Europe and Asia. Typical car tyres: 30–35 psi (2.1–2.4 bar).
How do I convert kPa to psi?+
Multiply by 0.145038. Example: 200 kPa = 29.008 psi.
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