Convert bar to standard atmosphere
Here you can quickly calculate how many standard atmosphere fit in one bar.
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- 1 bar = 0.986923 atm
- 1 atm = 1.01325 bar
Conversion from bar to standard atmosphere example
- 1 bar = 0.986923 standard atmosphere
Bar to standard atmosphere conversion table
| bar | standard atmosphere |
|---|---|
| 1 | 0.986923 |
| 2 | 1.973847 |
| 5 | 4.934616 |
| 10 | 9.869233 |
| 20 | 19.738465 |
| 50 | 49.346163 |
| 100 | 98.692327 |
Formula to convert bar to standard atmosphere
To convert bar to standard atmosphere, multiply by 0.986923.
1 bar = 0.986923 atm
Example: 1 bar = 0.986923 standard atmosphere
Common mistakes in pressure conversion
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Tire pressure is quoted in bar in Europe and psi in the US: 1 bar is about 14.5 psi. The recommended 2.5 bar equals about 36 psi, inflating to '25 psi' on the assumption they match leaves the tire dangerously underinflated. Multiply bar by 14.5 to get psi.
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One atmosphere is not exactly one bar: 1 atm = 1.01325 bar = 101.325 kPa. There is also the technical atmosphere (1 kgf/cm²) at about 0.981 bar. The ~1% differences rarely matter day to day, but engineering and diving calculations need the right unit.
Quick bar to/from standard atmosphere conversion quiz
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22.2 standard atmosphere equals 19.1 bar.
Correct answer: 22.2 standard atmosphere = 22.5 bar.
224 bar equals 254 standard atmosphere.
Correct answer: 224 bar = 221 standard atmosphere.
218 standard atmosphere equals 221 bar.
Correct answer: 218 standard atmosphere = 221 bar.
211 standard atmosphere equals 182 bar.
Correct answer: 211 standard atmosphere = 214 bar.
21.8 bar equals 21.5 standard atmosphere.
Correct answer: 21.8 bar = 21.5 standard atmosphere.