🔩 Pressure
megapascals to psi Converter
Convert megapascals to psi instantly with a reference conversion table.
Quick answer: To convert megapascals to psi, multiply by 145.038. For example, 1 megapascals = 145.038 psi. Use the calculator below for any value.
megapascals to psi
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Common conversions
| megapascals | psi |
|---|
Formula:
How to convert megapascals to psi
1
Enter your value
Type the number of megapascals you want to convert into the left box. The result in psi 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 — psi to megapascals. Your current value carries across so you don't have to re-enter anything.
3
About megapascals and psi
megapascals and psi are common pressure measurements.
💡 Did you know?
1 MPa = 145 psi. High-pressure systems: hydraulic press (70-700 MPa = 10,000-100,000 psi), tyre bead seating (0.3 MPa ≈ 44 psi), scuba cylinder (20 MPa ≈ 3,000 psi). Industrial water jets can reach 400 MPa (58,000 psi).
📊 Common conversions at a glance
| megapascals | psi |
|---|---|
| 0.001 | 0.145 |
| 0.01 | 1.45 |
| 0.1 | 14.5 |
| 0.5 | 72.52 |
| 1 | 145 |
| 1.5 | 217.6 |
Reviewed for 2026. megapascals ↔ psi 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.