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Convert technical atmosphere to inch of mercury

Here you can quickly calculate how many inch of mercury fit in one technical atmosphere.
  • 1 at = 28.959021 inHg
  • 1 inHg = 0.034532 at

Technical atmosphere to inch of mercury conversion table

technical atmosphere inch of mercury
1 28.959021
2 57.918042
5 144.795104
10 289.590208
20 579.180416
50 1447.951039
100 2895.902078

Formula to convert technical atmosphere to inch of mercury

To convert technical atmosphere to inch of mercury, multiply by 28.959021.

1 at = 28.959021 inHg
Example: 1 technical atmosphere = 28.959021 inch of mercury

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 technical atmosphere to/from inch of mercury conversion quiz

Score: 0

243 inch of mercury equals 12.6 technical atmosphere.

Correct answer: 243 inch of mercury = 8.39 technical atmosphere.

24.1 technical atmosphere equals 1.05e+3 inch of mercury.

Correct answer: 24.1 technical atmosphere = 698 inch of mercury.

237 technical atmosphere equals 6.86e+3 inch of mercury.

Correct answer: 237 technical atmosphere = 6.86e+3 inch of mercury.

9.2 technical atmosphere equals 266 inch of mercury.

Correct answer: 9.2 technical atmosphere = 266 inch of mercury.

33 technical atmosphere equals 1.43e+3 inch of mercury.

Correct answer: 33 technical atmosphere = 956 inch of mercury.

More conversions in pressure