Megapascals to PSI Converter
Convert megapascals (MPa) to pounds per square inch (psi)
Result
145.0377377 psi
PSI
1 MPa = 145.0377377 psi
1 MPa in other units
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How to convert megapascals to pounds per square inch
One megapascal equals 145.0377 pounds per square inch, so multiply the number of megapascals by 145.0377.
psi = MPa × 145.0377
1 MPa = 145.0377 psi · 1 psi = 0.006894757 MPa
Worked example
To convert 5 megapascals to pounds per square inch: 5 MPa × 145.0377 = 725.1887 psi.
About megapascals (MPa)
A megapascal is 1,000,000 Pa, used for concrete and steel strength (e.g. M25 concrete = 25 MPa).
About pounds per square inch (psi)
Pounds per square inch is used for tyre pressure, air compressors and hydraulics.
More conversions
Megapascals to other units
Frequently asked questions
How many pounds per square inch are in one megapascal?
One megapascal equals 145.0377 pounds per square inch.
How many megapascals are in one pound per square inch?
One pound per square inch equals 0.006894757 megapascals.
How do I convert megapascals to pounds per square inch?
Use the formula psi = MPa × 145.0377. For example, 5 MPa × 145.0377 = 725.1887 psi.