Megapascals to Pounds Per Square Inch

1 megapascal = 145.0377377 pounds per square inch. To convert megapascals (MPa) to pounds per square inch (psi), multiply by 145.0377377.

⇄
 
 

How to convert megapascals to pounds per square inch

psi = MPa × 145.0377377

Example: convert 8 megapascals to pounds per square inch.
8 MPa × 145.0377377 = 1,160.301902 psi

The same relationship in reverse: 1 pound per square inch = 0.006894757293 megapascals, so you can also divide by 0.006894757293. Need the other direction? Use the pounds per square inch to megapascals converter.

You will typically need this conversion for material strength and hydraulic systems.

Megapascals to Pounds Per Square Inch conversion chart

Megapascals (MPa)Pounds Per Square Inch (psi)
1 MPa145.03774 psi
2 MPa290.07548 psi
3 MPa435.11321 psi
4 MPa580.15095 psi
5 MPa725.18869 psi
6 MPa870.22643 psi
7 MPa1,015.2642 psi
8 MPa1,160.3019 psi
9 MPa1,305.3396 psi
10 MPa1,450.3774 psi
15 MPa2,175.5661 psi
20 MPa2,900.7548 psi
25 MPa3,625.9434 psi
30 MPa4,351.1321 psi
40 MPa5,801.5095 psi
50 MPa7,251.8869 psi
75 MPa10,877.83 psi
100 MPa14,503.774 psi
250 MPa36,259.434 psi
500 MPa72,518.869 psi
1,000 MPa145,037.74 psi

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Megapascal (MPa)

1,000,000 Pa, equal to 1 N/mm². Used for concrete and steel strength.

Pound Per Square Inch (psi)

The pressure of one pound-force on one square inch, about 6,895 Pa. Used for tires and compressors in the US.

Frequently asked questions

How many pounds per square inch are in a megapascal?

1 megapascal = 145.0377377 pounds per square inch. Going the other way, 1 pound per square inch = 0.006894757293 megapascals.

How do I convert megapascals to pounds per square inch?

To convert megapascals to pounds per square inch, multiply by 145.0377377. The formula is psi = MPa × 145.0377377.

What is 8 MPa in psi?

8 megapascals is 1,160.301902 pounds per square inch (8 MPa × 145.0377377 = 1,160.301902 psi).

More pressure conversions