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Convert technical atmosphere to inch of water

Here you can quickly calculate how many inch of water fit in one technical atmosphere.
  • 1 at = 393.700787 inH₂O
  • 1 inH₂O = 0.00254 at

Technical atmosphere to inch of water conversion table

technical atmosphere inch of water
1 393.700787
2 787.401575
5 1968.503937
10 3937.007874
20 7874.015748
50 19685.03937
100 39370.07874

Formula to convert technical atmosphere to inch of water

To convert technical atmosphere to inch of water, multiply by 393.700787.

1 at = 393.700787 inH₂O
Example: 1 technical atmosphere = 393.700787 inch of water

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 water conversion quiz

Score: 0

15.6 technical atmosphere equals 3.07e+3 inch of water.

Correct answer: 15.6 technical atmosphere = 6.14e+3 inch of water.

56 inch of water equals 0.0853 technical atmosphere.

Correct answer: 56 inch of water = 0.142 technical atmosphere.

4.8 technical atmosphere equals 1.89e+3 inch of water.

Correct answer: 4.8 technical atmosphere = 1.89e+3 inch of water.

More conversions in pressure