PSI to Megapascal Converter
Convert psi to megapascals with this free pressure converter. The exact relationship used on this page is 1 psi = 0.00689475729317 megapascals. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Megapascal = PSI × 0.00689475729317
How to convert psi to megapascals
- Enter the value in psi in the converter.
- Read the equivalent amount in megapascals.
- Use the swap link if you need megapascal to psi instead.
- Check the table for common values without typing.
Worked examples
- 1 psi = 0.006894757293 MPa
- 5 psi = 0.03447378647 MPa
- 10 psi = 0.06894757293 MPa
- 25 psi = 0.1723689323 MPa
Conversion table
Common psi values converted to megapascals.
| psi | MPa |
|---|---|
| 1 | 0.006894757293 |
| 2 | 0.01378951459 |
| 3 | 0.02068427188 |
| 4 | 0.02757902917 |
| 5 | 0.03447378647 |
| 6 | 0.04136854376 |
| 7 | 0.04826330105 |
| 8 | 0.05515805835 |
| 9 | 0.06205281564 |
| 10 | 0.06894757293 |
| 20 | 0.1378951459 |
| 50 | 0.3447378647 |
| 100 | 0.6894757293 |
| 250 | 1.723689323 |
| 500 | 3.447378647 |
| 1,000 | 6.894757293 |
About this conversion
PSI (psi) and Megapascal (MPa) are both pressure units. Tire pressure, weather maps, scuba, and industrial gauges all report pressure in different units. Bookmark this URL when you convert psi to megapascals often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the megapascal to psi converter.
FAQ
How many megapascals are in 1 psi?+
1 psi equals 0.00689475729317 megapascals.
What is the formula to convert psi to megapascals?+
Megapascal = PSI × 0.00689475729317
How do I convert psi to megapascals by hand?+
Multiply the psi value by 0.00689475729317. Example: 10 psi × 0.00689475729317 = 0.0689475729317 megapascals.
Is this psi to MPa converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.