How many megapascals are in 1 pound per square inch?

1 pound per square inch equals 0.00689476 MPa.

How do I convert megapascals back to pounds per square inch?

Use the reverse converter: 1 megapascal equals 145.038 psi.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert pounds per square inch to megapascals, multiply the value by 0.00689475729.

MPa = psi × 0.00689475729

40 psi × 0.00689475729 = 0.2758 MPa

Pound Per Square Inch (psi): Used for tyre and industrial pressure in the US. About 6,894.757 pascals.
Megapascal (MPa): 1,000,000 pascals; used for material strength and hydraulic systems.

How do I convert pounds per square inch to megapascals?: To convert pounds per square inch to megapascals, multiply the value by 0.00689475729.
How many megapascals are in 1 pound per square inch?: 1 pound per square inch equals 0.00689476 MPa.
How many megapascals are in 10 pounds per square inch?: 10 psi equals 0.0689476 MPa.
How do I convert megapascals back to pounds per square inch?: Use the reverse converter: 1 megapascal equals 145.038 psi.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.