Pounds per square inch to Megapascals
Convert pounds per square inch to megapascals (psi to MPa). 1 psi = 0.00689475729317 MPa. Use the calculator, formula and conversion table.
How to convert pounds per square inch to megapascals
Multiply the amount in pounds per square inch by 0.00689475729317 to get megapascals. The displayed factor and results are rounded to 12 significant digits.
MPa = psi × 0.00689475729317Worked example
1 psi = 0.00689475729317 MPa. Change the amount in the calculator above to use your own value.
Units and assumptions
Uses pascals as the base unit. One standard atmosphere is 101,325 Pa and one bar is 100,000 Pa. Results are rounded for display.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Pounds per square inch to Megapascals table
| Pounds per square inch (psi) | Megapascals (MPa) |
|---|---|
| 0 | 0 |
| 1 | 0.00689475729317 |
| 5 | 0.0344737864658 |
| 10 | 0.0689475729317 |
| 25 | 0.172368932329 |
| 100 | 0.689475729317 |
| 1,000 | 6.89475729317 |
About this conversion
What is the formula for pounds per square inch to megapascals?
MPa = psi × 0.00689475729317. Multiply the amount in pounds per square inch by 0.00689475729317 to get megapascals. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to pounds per square inch?
Use the megapascals to pounds per square inch calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the pressure converter to browse all supported pairs.