Atmosphere to Bar
Free instant atmosphere to bar converter. 1 atm = 1.01325 bar.
Common Atmosphere to Bar values
| Atmosphere (atm) | Bar (bar) |
|---|---|
| 1 | 1.01325 |
| 5 | 5.06625 |
| 10 | 10.1325 |
| 25 | 25.3313 |
| 50 | 50.6625 |
| 100 | 101.325 |
| 500 | 506.625 |
| 1000 | 1013.25 |
How does Atmosphere to Bar conversion work?
Type a value in the Atmosphere (atm) 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.
Atmosphere. Standard atmospheric pressure at sea level. Defined as exactly 101,325 pascals.
Bar. Approximately equal to atmospheric pressure at sea level. Common in weather, scuba diving, and engineering.
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🎯 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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