1 megapascal = 145.038 pounds per square inch
Convert megapascals to pounds per square inch.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
psi = MPa × 145.038
Worked through with a real value: 10 megapascals = 1450.38 pounds per square inch.
Going the other way: MPa = psi × 0.00689476, so 1 pound per square inch = 0.00689476 megapascals.
What each unit is
- megapascal MPa
- A million pascals, used for material strength testing and high-pressure industrial applications.
- pound per square inch psi
- Pounds per square inch, the everyday unit for tyre pressure, boiler safety ratings and industrial pressure gauges.
Where these come from
- 1 megapascal = 1000000 pascals
- 1 pound per square inch = 6894.757293168361 pascals
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| megapascals (MPa) | pounds per square inch (psi) |
|---|---|
| 1 | 145.038 |
| 2 | 290.075 |
| 3 | 435.113 |
| 4 | 580.151 |
| 5 | 725.189 |
| 6 | 870.226 |
| 7 | 1015.26 |
| 8 | 1160.3 |
| 9 | 1305.34 |
| 10 | 1450.38 |
| 20 | 2900.75 |
| 25 | 3625.94 |
| 50 | 7251.89 |
| 75 | 10877.8 |
| 100 | 14503.8 |
| pounds per square inch (psi) | megapascals (MPa) |
|---|---|
| 1 | 0.00689476 |
| 2 | 0.0137895 |
| 3 | 0.0206843 |
| 4 | 0.027579 |
| 5 | 0.0344738 |
| 6 | 0.0413685 |
| 7 | 0.0482633 |
| 8 | 0.0551581 |
| 9 | 0.0620528 |
| 10 | 0.0689476 |
| 20 | 0.137895 |
| 25 | 0.172369 |
| 50 | 0.344738 |
| 75 | 0.517107 |
| 100 | 0.689476 |
Questions
How many pounds per square inch are in a megapascal?
1 megapascal = 145.038 pounds per square inch.
How do I convert megapascals to pounds per square inch?
Use psi = MPa × 145.038. For example, 10 megapascals = 1450.38 pounds per square inch.
How many megapascals are in one pound per square inch?
1 pound per square inch = 0.00689476 megapascals.
What is 10 megapascals in pounds per square inch?
10 megapascals = 1450.38 pounds per square inch.
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