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Convert centimeter of mercury to standard atmosphere

Here you can quickly calculate how many standard atmosphere fit in one centimeter of mercury.
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  • 1 cmHg = 0.013158 atm
  • 1 atm = 75.999989 cmHg

Conversion from centimeter of mercury to standard atmosphere example

  • 1 centimeter of mercury = 0.013158 standard atmosphere

Centimeter of mercury to standard atmosphere conversion table

centimeter of mercury standard atmosphere
1 0.013158
2 0.026316
5 0.065789
10 0.131579
20 0.263158
50 0.657895
100 1.31579

Formula to convert centimeter of mercury to standard atmosphere

To convert centimeter of mercury to standard atmosphere, multiply by 0.013158.

1 cmHg = 0.013158 atm
Example: 1 centimeter of mercury = 0.013158 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 mercury to/from standard atmosphere conversion quiz

Score: 0

7.4 centimeter of mercury equals 0.0974 standard atmosphere.

Correct answer: 7.4 centimeter of mercury = 0.0974 standard atmosphere.

157 centimeter of mercury equals 2.07 standard atmosphere.

Correct answer: 157 centimeter of mercury = 2.07 standard atmosphere.

241 centimeter of mercury equals 4.76 standard atmosphere.

Correct answer: 241 centimeter of mercury = 3.17 standard atmosphere.

11.5 standard atmosphere equals 524 centimeter of mercury.

Correct answer: 11.5 standard atmosphere = 874 centimeter of mercury.

More conversions in pressure