Kilopounds per square inch (ksi) to Megapascals
Type a value in Kilopounds per square inch (ksi) and get the result in Megapascals, calculated exactly.
1 Kilopounds per square inch (ksi) ≈ 6.894757293 Megapascals
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
MPa = ksi × 6.89475729317
To convert Kilopounds per square inch (ksi) to Megapascals, multiply the value by 6.89475729317.
Worked examples
- 1 ksi × 6.89475729317 ≈ 6.894757293 MPa
- 100 ksi × 6.89475729317 ≈ 689.4757293 MPa
- 50 ksi × 6.89475729317 ≈ 344.7378647 MPa
This factor is exact by definition.
Conversion table
| Kilopounds per square inch (ksi) | Megapascals (MPa) |
|---|---|
| 1 | ≈ 6.894757 |
| 2 | ≈ 13.78951 |
| 3 | ≈ 20.68427 |
| 4 | ≈ 27.57903 |
| 5 | ≈ 34.47379 |
| 6 | ≈ 41.36854 |
| 7 | ≈ 48.2633 |
| 8 | ≈ 55.15806 |
| 9 | ≈ 62.05282 |
| 10 | ≈ 68.94757 |
| 15 | ≈ 103.4214 |
| 20 | ≈ 137.8951 |
| 25 | ≈ 172.3689 |
| 30 | ≈ 206.8427 |
| 40 | ≈ 275.7903 |
| 50 | ≈ 344.7379 |
| 60 | ≈ 413.6854 |
| 70 | ≈ 482.633 |
| 75 | ≈ 517.1068 |
| 80 | ≈ 551.5806 |
| 90 | ≈ 620.5282 |
| 100 | ≈ 689.4757 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Megapascals to Kilopounds per square inch (ksi)
| Megapascals (MPa) | Kilopounds per square inch (ksi) |
|---|---|
| 1 | ≈ 0.1450377 |
| 2 | ≈ 0.2900755 |
| 3 | ≈ 0.4351132 |
| 4 | ≈ 0.580151 |
| 5 | ≈ 0.7251887 |
| 6 | ≈ 0.8702264 |
| 7 | ≈ 1.015264 |
| 8 | ≈ 1.160302 |
| 9 | ≈ 1.30534 |
| 10 | ≈ 1.450377 |
| 15 | ≈ 2.175566 |
| 20 | ≈ 2.900755 |
| 25 | ≈ 3.625943 |
| 30 | ≈ 4.351132 |
| 40 | ≈ 5.80151 |
| 50 | ≈ 7.251887 |
| 60 | ≈ 8.702264 |
| 70 | ≈ 10.15264 |
| 75 | ≈ 10.87783 |
| 80 | ≈ 11.60302 |
| 90 | ≈ 13.0534 |
| 100 | ≈ 14.50377 |
Unit definitions
- Kilopounds per square inch (ksi) ksi
- Exactly 1000 psi, used for material strength in the US.
- Megapascals MPa
- Exactly 1 000 000 pascals, used for material strength and hydraulics.
Questions people ask
Kilopounds per square inch (ksi) to Megapascals: what is the conversion factor?
One ksi is ≈ 6.894757293 MPa.
How do I convert Kilopounds per square inch (ksi) to Megapascals?
Use the formula above. For example, 100 ksi = ≈ 689.4757293 MPa.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.