Convert psi to MPa
pounds per square inch to megapascals. Enter a value to convert, or use the psi to MPa chart further down the page.
1 pound per square inch equals 0.00689476 megapascals. Going the other way, 1 megapascal = 145.038 pounds per square inch.
How to convert psi to MPa
To convert pounds per square inch to megapascals, multiply the pound per square inch value by 0.006894757293. You can also divide by 145.0377377 to get the same answer.
MPa = psi × 0.006894757293
Worked example
Convert 15 psi to megapascals:
15 psi = 0.103421 MPa
psi to MPa conversion chart
Use this psi to MPa table for quick reference without typing anything.
| pounds per square inch (psi) | megapascals (MPa) |
|---|---|
| 0.01 psi | 0.0000689476 MPa |
| 0.1 psi | 0.000689476 MPa |
| 1 psi | 0.00689476 MPa |
| 2 psi | 0.0137895 MPa |
| 3 psi | 0.0206843 MPa |
| 5 psi | 0.0344738 MPa |
| 10 psi | 0.0689476 MPa |
| 20 psi | 0.137895 MPa |
| 50 psi | 0.344738 MPa |
| 100 psi | 0.689476 MPa |
| 1,000 psi | 6.89476 MPa |
What is a pound per square inch?
One psi is one pound-force per square inch, about 6,894.76 pascals. It is the standard pressure unit for tyres and hydraulics in the US.
What is a megapascal?
The megapascal (MPa) is a unit of pressure equal to 1000000 pascals.
Frequently asked questions
How many MPa are in a pound per square inch?
1 psi equals 0.00689476 MPa. Going the other way, 1 MPa is 145.038 psi.
How do you convert psi to MPa?
To convert pounds per square inch to megapascals, multiply the pound per square inch value by 0.006894757293. You can also divide by 145.0377377 to get the same answer.
What is 10 psi in MPa?
10 psi equals 0.0689476 MPa. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert psi to other units
- MPa to psi
- psi to bar
- psi to pascals
- psi to kPa
- psi to atm
- psi to mmHg
- psi to torr
- psi to millibars
- psi to inHg
Convert other units to MPa
Popular conversions
cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml