Unit Converters

MPa to PSI (Pressure Conversion)

Convert megapascals to pounds per square inch and back using the exact NIST factor. One MPa equals 145.038 psi, which covers hydraulics, concrete, and steel strength.

Try
Converted pressure
1,450.377 psi

10 MPa → pounds per square inch

Conversion factor
×145.0377
1 MPa equals
145.038 psi
Conversion factors are exact; rounding may affect the final digit.
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How it's calculated

psi = MPa × 145.038

MPa = megapascals, psi = pounds per square inch. 1 MPa = 145.0377 psi.

Common values

MPaPSI
1 MPa145.04 psi
10 MPa1,450.4 psi
25 MPa3,626 psi
50 MPa7,252 psi

Common questions

How many psi is 1 MPa?

One megapascal equals 145.038 psi. Multiply MPa by that figure to get psi.

Why is MPa common for concrete?

Concrete compressive strength is often specified in MPa, with typical mixes around 25 to 40 MPa.