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Convert standard atmosphere to megapascal

Here you can quickly calculate how many megapascal fit in one standard atmosphere.
  • 1 atm = 0.101325 MPa
  • 1 MPa = 9.869233 atm

Standard atmosphere to megapascal conversion table

standard atmosphere megapascal
1 0.101325
2 0.20265
5 0.506625
10 1.01325
20 2.0265
50 5.06625
100 10.1325

Standard atmosphere to megapascal formula

To convert standard atmosphere to megapascal, multiply by 0.101325.

1 atm = 0.101325 MPa
Example: 1 standard atmosphere = 0.101325 megapascal

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 standard atmosphere and megapascal conversion quiz

Score: 0

14.6 megapascal equals 158 standard atmosphere.

Correct answer: 14.6 megapascal = 144 standard atmosphere.

15.6 standard atmosphere equals 1.42 megapascal.

Correct answer: 15.6 standard atmosphere = 1.58 megapascal.

4.1 megapascal equals 40.5 standard atmosphere.

Correct answer: 4.1 megapascal = 40.5 standard atmosphere.

70 megapascal equals 691 standard atmosphere.

Correct answer: 70 megapascal = 691 standard atmosphere.

56 standard atmosphere equals 6.53 megapascal.

Correct answer: 56 standard atmosphere = 5.67 megapascal.

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