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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

Conversion from pound per square inch to standard atmosphere example

  • 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

Formula to convert pound per square inch to standard atmosphere

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 mistakes in pressure conversion

  • 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 to/from standard atmosphere conversion quiz

Score: 0

0.7 standard atmosphere equals 20.6 pound per square inch.

Correct answer: 0.7 standard atmosphere = 10.3 pound per square inch.

22.7 standard atmosphere equals 200 pound per square inch.

Correct answer: 22.7 standard atmosphere = 334 pound per square inch.

145 standard atmosphere equals 2.13e+3 pound per square inch.

Correct answer: 145 standard atmosphere = 2.13e+3 pound per square inch.

More conversions in pressure