Megapascals to Pounds per square inch
Convert megapascals to pounds per square inch instantly.
Megapascals to Pounds per square inch (MPa to psi) Converter
1 megapascal = 145.04 pounds per square inch
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- 1 MPa = 145.04 psi
- 5 MPa = 725.19 psi
- 10 MPa = 1450.4 psi
- 25 MPa = 3625.9 psi
- MegapascalsMPa
- Pounds per square inchpsi
- MegapascalsMPa
- Pounds per square inchpsi
How it’s calculated
psi = MPa × 145.0377377
- Multiply the value in megapascals by 145.0377377.
- To go back, divide by 145.0377377 (or multiply by 0.006894757293).
- 1 MPa = 145.0377377 psi · 1 psi = 0.006894757293 MPa
Quick examples
1 megapascal = 145.04 pounds per square inch · 1 psi = 0.0068948 MPa
- 1 megapascal = 145.04 pounds per square inch
- 5 megapascals = 725.19 pounds per square inch
- 10 megapascals = 1,450.4 pounds per square inch
- 25 megapascals = 3,625.9 pounds per square inch
- 100 megapascals = 14,504 pounds per square inch
Megapascals to pounds per square inch conversion table
| Megapascals (MPa) | Pounds per square inch (psi) |
|---|---|
| 1 MPa | 145.04 psi |
| 5 MPa | 725.19 psi |
| 10 MPa | 1,450.4 psi |
| 20 MPa | 2,900.8 psi |
| 25 MPa | 3,625.9 psi |
| 30 MPa | 4,351.1 psi |
| 36 MPa | 5,221.4 psi |
| 40 MPa | 5,801.5 psi |
| 50 MPa | 7,251.9 psi |
| 60 MPa | 8,702.3 psi |
| 75 MPa | 10,878 psi |
| 100 MPa | 14,504 psi |
| 150 MPa | 21,756 psi |
| 200 MPa | 29,008 psi |
| 250 MPa | 36,259 psi |
| 300 MPa | 43,511 psi |
| 355 MPa | 51,488 psi |
| 400 MPa | 58,015 psi |
| 500 MPa | 72,519 psi |
| 1,000 MPa | 145,040 psi |
About these units
Megapascal (MPa)
SI (metric)
1 MPa = 1,000,000 Pa (exact)
Source: BIPM SI Brochure (9th ed.) (SI prefixes and accepted units)
Pound per square inch (psi)
US & imperial (identical)
1 psi ≈ 6,894.7573 Pa
Pounds of force per square inch, about 6,894.757 Pa. Common for tyres and gauges in the US.
Source: NIST SP 811 / Handbook 44
Frequently asked questions
How do I convert megapascals to pounds per square inch?
Use psi = MPa × 145.0377377. Multiply the value in megapascals by 145.0377377.
How many pounds per square inch are in 1 megapascal?
1 megapascal (MPa) equals 145.04 pounds per square inch (psi); more precisely 145.0377377.
How many megapascals are in 1 pound per square inch?
1 pound per square inch (psi) equals 0.0068948 megapascals (MPa); more precisely 0.006894757293.
What is 10 MPa in psi?
10 megapascals = 1,450.4 pounds per square inch.
What is a pound per square inch?
Pounds of force per square inch, about 6,894.757 Pa. Common for tyres and gauges in the US.
Related conversions
Formula: psi = MPa × 145.0377377. Factors last reviewed 2026-10-27.