Megapascal to Pound-force per square inch Converter
1 megapascal is about 145.0377377 psi. Convert megapascals (MPa) to psi (psi) below: type a value and the result updates as you type.
MPa to psi calculator
Result
Megapascal to Pound-force per square inch conversion
1 MPa ≈ 145.0377377 psione megapascal in psi
1 psi ≈ 0.006894757293 MPaone psi in megapascals
Megapascal (MPa): Exactly one million pascals.
Pound-force per square inch (psi): One pound-force per square inch: 4.4482216152605 N / (0.0254 m)².
Source:Megapascal: SI Brochure, 9th edition (BIPM, 2019); Pound-force per square inch: NIST Special Publication 811 (2008), Appendix B.8
How to convert megapascals to psi
To convert megapascals to psi, multiply the number of megapascals by about 145.0377377.
Formula
psi = MPa × 145.0377377
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 MPa = 5 × 145.0377377 ≈ 725.1886887 psi
- 25 MPa = 25 × 145.0377377 ≈ 3625.943443 psi
- 100 MPa = 100 × 145.0377377 ≈ 14503.77377 psi
Megapascal to Pound-force per square inch conversion table
| Megapascal (MPa) | Pound-force per square inch (psi) |
|---|---|
| 0.1 MPa | 14.50377377 psi |
| 0.5 MPa | 72.51886887 psi |
| 1 MPa | 145.0377377 psi |
| 2 MPa | 290.0754755 psi |
| 3 MPa | 435.1132132 psi |
| 5 MPa | 725.1886887 psi |
| 10 MPa | 1450.377377 psi |
| 20 MPa | 2900.754755 psi |
| 25 MPa | 3625.943443 psi |
| 50 MPa | 7251.886887 psi |
| 100 MPa | 14503.77377 psi |
| 250 MPa | 36259.43443 psi |
| 500 MPa | 72518.86887 psi |
| 1000 MPa | 145037.7377 psi |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many psi are in one megapascal?
- One megapascal is about 145.0377377 psi.
- How do I convert psi to megapascals?
- To convert psi to megapascals, multiply the number of psi by about 0.006894757293. The formula is MPa = psi × 0.006894757293.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a megapascal or a psi?
- A megapascal is about 145.0377377 times larger than a psi. In other words, a psi is about 0.006894757293 of a megapascal.