🔩 Pressure
psi to megapascals Converter
Convert psi to megapascals instantly with a reference table.
Quick answer: To convert psi to megapascals, multiply by 0.00689476. For example, 1 psi = 0.00689476 megapascals. Use the calculator below for any value.
psi to megapascals
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Common conversions
| psi | megapascals |
|---|
Formula:
How to convert psi to megapascals
1
Enter your value
Type the number of psi you want to convert into the left box. The result in megapascals appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — megapascals to psi. Your current value carries across so you don't have to re-enter anything.
3
About psi and megapascals
psi and megapascals are both pressure measurements.
💡 Did you know?
1 MPa = 145.04 psi. Concrete compressive strength: 20-40 MPa = 2,900-5,800 psi. High-strength bolts: 800-1,200 MPa = 116,000-174,000 psi. Hydraulic jaws of life (rescue tools): ~700 bar = 70 MPa = 10,150 psi. The MPa unit is standard for structural engineering material properties.
📊 Common conversions at a glance
| psi | megapascals |
|---|---|
| 10 | 0.06895 |
| 14.5 | 0.09997 |
| 15 | 0.1034 |
| 20 | 0.1379 |
| 30 | 0.2068 |
| 40 | 0.2758 |
Reviewed for 2026. psi ↔ megapascals conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.