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Convert inch of mercury to technical atmosphere

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

Example: inch of mercury to technical atmosphere

  • 1 inch of mercury = 0.034532 technical atmosphere

Inch of mercury to technical atmosphere conversion table

inch of mercury technical atmosphere
1 0.034532
2 0.069063
5 0.172658
10 0.345316
20 0.690631
50 1.726578
100 3.453155

Inch of mercury to technical atmosphere formula

To convert inch of mercury to technical atmosphere, multiply by 0.034532.

1 inHg = 0.034532 at
Example: 1 inch of mercury = 0.034532 technical atmosphere

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 inch of mercury and technical atmosphere conversion quiz

Score: 0

12.8 inch of mercury equals 0.265 technical atmosphere.

Correct answer: 12.8 inch of mercury = 0.442 technical atmosphere.

12.9 inch of mercury equals 0.445 technical atmosphere.

Correct answer: 12.9 inch of mercury = 0.445 technical atmosphere.

1.8 technical atmosphere equals 26.1 inch of mercury.

Correct answer: 1.8 technical atmosphere = 52.1 inch of mercury.

23.9 inch of mercury equals 0.825 technical atmosphere.

Correct answer: 23.9 inch of mercury = 0.825 technical atmosphere.

More pressure conversions