Skip to content

Convert centimeter of water to standard atmosphere

Here you can quickly calculate how many standard atmosphere fit in one centimeter of water.
  • 1 cmH₂O = 0.000968 atm
  • 1 atm = 1033.227453 cmH₂O

Centimeter of water to standard atmosphere conversion table

centimeter of water standard atmosphere
1 0.000968
2 0.001936
5 0.004839
10 0.009678
20 0.019357
50 0.048392
100 0.096784

Formula to convert centimeter of water to standard atmosphere

To convert centimeter of water to standard atmosphere, multiply by 0.000968.

1 cmH₂O = 0.000968 atm
Example: 1 centimeter of water = 0.000968 standard 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 centimeter of water to/from standard atmosphere conversion quiz

Score: 0

10 standard atmosphere equals 2.07e+3 centimeter of water.

Correct answer: 10 standard atmosphere = 1.03e+4 centimeter of water.

1 centimeter of water equals 0.00484 standard atmosphere.

Correct answer: 1 centimeter of water = 0.000968 standard atmosphere.

20 centimeter of water equals 0.0194 standard atmosphere.

Correct answer: 20 centimeter of water = 0.0194 standard atmosphere.

25 centimeter of water equals 0.242 standard atmosphere.

Correct answer: 25 centimeter of water = 0.0242 standard atmosphere.

20 standard atmosphere equals 2.07e+3 centimeter of water.

Correct answer: 20 standard atmosphere = 2.07e+4 centimeter of water.

More conversions in pressure