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Convert pound per square inch to standard atmosphere

Here you can quickly calculate how many standard atmosphere fit in one pound per square inch.
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  • 1 psi = 0.068046 atm
  • 1 atm = 14.695949 psi

Example: pound per square inch to standard atmosphere

  • 1 pound per square inch = 0.068046 standard atmosphere

Pound per square inch to standard atmosphere conversion table

pound per square inch standard atmosphere
1 0.068046
2 0.136092
5 0.34023
10 0.68046
20 1.360919
50 3.402298
100 6.804596

Pound per square inch to standard atmosphere formula

To convert pound per square inch to standard atmosphere, multiply by 0.068046.

1 psi = 0.068046 atm
Example: 1 pound per square inch = 0.068046 standard atmosphere

Common pressure conversion mistakes

  • 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.
  • 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 pound per square inch and standard atmosphere conversion quiz

Score: 0

23.9 standard atmosphere equals 702 pound per square inch.

Correct answer: 23.9 standard atmosphere = 351 pound per square inch.

1.9 pound per square inch equals 0.129 standard atmosphere.

Correct answer: 1.9 pound per square inch = 0.129 standard atmosphere.

0.8 pound per square inch equals 0.0544 standard atmosphere.

Correct answer: 0.8 pound per square inch = 0.0544 standard atmosphere.

More pressure conversions