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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

Technical atmosphere to inch of mercury formula

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 pressure conversion mistakes

  • 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 and inch of mercury conversion quiz

Score: 0

20.1 inch of mercury equals 0.416 technical atmosphere.

Correct answer: 20.1 inch of mercury = 0.694 technical atmosphere.

22.3 inch of mercury equals 0.462 technical atmosphere.

Correct answer: 22.3 inch of mercury = 0.77 technical atmosphere.

112 technical atmosphere equals 1.95e+3 inch of mercury.

Correct answer: 112 technical atmosphere = 3.24e+3 inch of mercury.

More pressure conversions