Megapascals to KSI
Convert megapascals to ksi instantly. 1 MPa = 0.1450377377 ksi. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert megapascals to ksi
To convert megapascals to ksi, divide by 6.8947572932 (multiply by 0.1450377377). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
ksi = MPa × 0.1450377377
Megapascals to KSI conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Megapascals | KSI |
|---|---|
| 1 MPa | 0.145038 ksi |
| 2 MPa | 0.290075 ksi |
| 3 MPa | 0.435113 ksi |
| 5 MPa | 0.725189 ksi |
| 10 MPa | 1.450377 ksi |
| 20 MPa | 2.900755 ksi |
| 25 MPa | 3.625943 ksi |
| 50 MPa | 7.251887 ksi |
| 100 MPa | 14.503774 ksi |
| 500 MPa | 72.518869 ksi |
| 1,000 MPa | 145.037738 ksi |
What is a megapascal?
A million pascals, used for material strength and hydraulics.
What is a ksi?
A thousand psi, used for structural steel strength.
The formula
ksi = MPa × 0.1450377377
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Megapascals to KSI
- Type the number of megapascals you want to convert.
- Read the result in ksi straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked ksi to megapascals page.
Megapascals to KSI — frequently asked questions
How many ksi are in a megapascal?
One megapascal equals 0.1450377377 ksi. ksi = MPa × 0.1450377377
What is the formula to convert megapascals to ksi?
The formula is ksi = MPa × 0.1450377377. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert ksi back to megapascals?
Divide instead of multiplying: one ksi is 6.8947572932 MPa. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this megapascals to ksi free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error