Question 1

Why is 1 MPa approximately 145 PSI?

Accepted Answer

Because 1 Pascal is 1 Newton per square meter, and 1 PSI is roughly 6,894.76 Pascals. Therefore, dividing 1,000,000 Pascals (1 MPa) by 6,894.76 gives approximately 145.038.

Question 2

Are these units interchangeable in all industries?

Accepted Answer

No, always verify local engineering codes, as specific industries may mandate the use of one standard over the other for safety compliance.

Mpa To Psi Conversion