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Convert pound per square inch to megapascal

Here you can quickly calculate how many megapascal fit in one pound per square inch.
  • 1 psi = 0.006895 MPa
  • 1 MPa = 145.037738 psi

Pound per square inch to megapascal conversion table

pound per square inch megapascal
1 0.006895
2 0.01379
5 0.034474
10 0.068948
20 0.137895
50 0.344738
100 0.689476

Formula to convert pound per square inch to megapascal

To convert pound per square inch to megapascal, multiply by 0.006895.

1 psi = 0.006895 MPa
Example: 1 pound per square inch = 0.006895 megapascal

Common mistakes in pressure conversion

  • Tire pressure is quoted in bar in Europe and psi in the US: 1 bar is about 14.5 psi. The recommended 2.5 bar equals about 36 psi, inflating to '25 psi' on the assumption they match leaves the tire dangerously underinflated. Multiply bar by 14.5 to get psi.

Quick pound per square inch to/from megapascal conversion quiz

Score: 0

100 megapascal equals 2.9e+4 pound per square inch.

Correct answer: 100 megapascal = 1.45e+4 pound per square inch.

5.4 pound per square inch equals 0.0223 megapascal.

Correct answer: 5.4 pound per square inch = 0.0372 megapascal.

24.1 megapascal equals 2.1e+3 pound per square inch.

Correct answer: 24.1 megapascal = 3.5e+3 pound per square inch.

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