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Convert megapascal to standard atmosphere

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

Megapascal to standard atmosphere conversion table

megapascal standard atmosphere
1 9.869233
2 19.738465
5 49.346163
10 98.692327
20 197.384653
50 493.461633
100 986.923267

Formula to convert megapascal to standard atmosphere

To convert megapascal to standard atmosphere, multiply by 9.869233.

1 MPa = 9.869233 atm
Example: 1 megapascal = 9.869233 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 megapascal to/from standard atmosphere conversion quiz

Score: 0

247 megapascal equals 2.44e+3 standard atmosphere.

Correct answer: 247 megapascal = 2.44e+3 standard atmosphere.

15.9 megapascal equals 133 standard atmosphere.

Correct answer: 15.9 megapascal = 157 standard atmosphere.

91 standard atmosphere equals 9.22 megapascal.

Correct answer: 91 standard atmosphere = 9.22 megapascal.

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