PSI to Bar
Free instant psi to bar converter. 1 psi = 0.0689476 bar.
Common PSI to Bar values
| PSI (psi) | Bar (bar) |
|---|---|
| 1 | 0.0689476 |
| 5 | 0.344738 |
| 10 | 0.689476 |
| 25 | 1.72369 |
| 50 | 3.44738 |
| 100 | 6.89476 |
| 500 | 34.4738 |
| 1000 | 68.9476 |
How does PSI to Bar conversion work?
Type a value in the PSI (psi) field and the equivalent in Bar (bar) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
PSI. Pounds per square inch. Standard for US tyre pressure (~32 psi typical car tyre).
Bar. Approximately equal to atmospheric pressure at sea level. Common in weather, scuba diving, and engineering.
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No submit button — the result updates as you type. Math runs entirely in your browser, so it’s as fast as your device.
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Works in any modern browser — Mac, Windows, Linux, iPhone, Android, tablets. No installation, no signup.
🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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