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Convert standard atmosphere to technical atmosphere

Here you can quickly calculate how many technical atmosphere fit in one standard atmosphere.
  • 1 atm = 1.033227 at
  • 1 at = 0.967841 atm

Standard atmosphere to technical atmosphere conversion table

standard atmosphere technical atmosphere
1 1.033227
2 2.066455
5 5.166137
10 10.332275
20 20.664549
50 51.661373
100 103.322745

Formula to convert standard atmosphere to technical atmosphere

To convert standard atmosphere to technical atmosphere, multiply by 1.033227.

1 atm = 1.033227 at
Example: 1 standard atmosphere = 1.033227 technical atmosphere

Common mistakes in pressure conversion

  • 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 standard atmosphere to/from technical atmosphere conversion quiz

Score: 0

127 standard atmosphere equals 118 technical atmosphere.

Correct answer: 127 standard atmosphere = 131 technical atmosphere.

5.3 standard atmosphere equals 6.02 technical atmosphere.

Correct answer: 5.3 standard atmosphere = 5.48 technical atmosphere.

14.2 standard atmosphere equals 14.7 technical atmosphere.

Correct answer: 14.2 standard atmosphere = 14.7 technical atmosphere.

60 technical atmosphere equals 58.1 standard atmosphere.

Correct answer: 60 technical atmosphere = 58.1 standard atmosphere.

1.2 standard atmosphere equals 1.24 technical atmosphere.

Correct answer: 1.2 standard atmosphere = 1.24 technical atmosphere.

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