Convert megapascal (MPa) to psi (psi).
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PSI to Megapascal Converter (psi to MPa)
Convert psi (psi) to megapascal (MPa).Unit Converter · Pressure
Quick answer
1 PSI is approximately equal to 0.00689476 megapascals (MPa). 1 megapascal (MPa) is approximately equal to 145.0377 PSI.
To convert psi to MPa, multiply the value in PSI by 0.0068947573. For example, 10 psi = 0.06894757 MPa, and 100 psi = 0.68947573 MPa.
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Quick reference — psi to megapascal
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How to convert PSI to megapascals
How many megapascals are in a PSI? 1 PSI is about 0.00689476 megapascals. This free psi to MPa converter and PSI to megapascal calculator gives the answer instantly for any value.
To convert PSI (psi) to megapascal (MPa), multiply the value in PSI by 0.0068947573.
MPa = psi × 0.0068947573
- 1
Take the value in PSI
For example, 25 psi.
- 2
Multiply by 0.0068947573
25 × 0.0068947573.
- 3
Read the answer in megapascals
25 psi = 0.17236893 MPa.
PSI to Megapascal conversion table
Common values from 1 to 1,000 PSI converted to megapascals.
| PSI (psi) | Megapascal (MPa) |
|---|---|
| 1 psi | 0.00689476 MPa |
| 2 psi | 0.01378951 MPa |
| 3 psi | 0.02068427 MPa |
| 4 psi | 0.02757903 MPa |
| 5 psi | 0.03447379 MPa |
| 6 psi | 0.04136854 MPa |
| 7 psi | 0.0482633 MPa |
| 8 psi | 0.05515806 MPa |
| 9 psi | 0.06205282 MPa |
| 10 psi | 0.06894757 MPa |
| 15 psi | 0.10342136 MPa |
| 20 psi | 0.13789515 MPa |
| 25 psi | 0.17236893 MPa |
| PSI (psi) | Megapascal (MPa) |
|---|---|
| 30 psi | 0.20684272 MPa |
| 40 psi | 0.27579029 MPa |
| 50 psi | 0.34473786 MPa |
| 60 psi | 0.41368544 MPa |
| 70 psi | 0.48263301 MPa |
| 75 psi | 0.5171068 MPa |
| 80 psi | 0.55158058 MPa |
| 90 psi | 0.62052816 MPa |
| 100 psi | 0.68947573 MPa |
| 250 psi | 1.72368932 MPa |
| 500 psi | 3.44737865 MPa |
| 1,000 psi | 6.89475729 MPa |
About PSI and megapascals
PSI (psi)
PSI is pounds-force per square inch, about 6,894.76 pascals. It is the common unit for tyre and air-compressor pressure.
Megapascal (MPa)
A megapascal (MPa) is 1,000,000 pascals. It is used for the strength of concrete and steel and for hydraulic systems.
psi to MPa: common questions
- How many megapascals are in 1 PSI?
- 1 PSI is approximately equal to 0.00689476 megapascals (MPa). In short: 1 psi ≈ 0.00689476 MPa.
- How do I convert PSI to megapascals?
- To convert psi to MPa, multiply the value in PSI by 0.0068947573. For example, 5 psi = 0.03447379 MPa.
- How do I convert megapascals to PSI?
- Use the Megapascal to Psi converter, which applies the exact reverse factor.
- What is 10 psi in MPa, and what is 100 psi?
- 10 psi = 0.06894757 MPa, and 100 psi = 0.68947573 MPa. The table above lists more values from 1 to 1,000.
- Is this psi to MPa converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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