Pressure

KSI to Megapascals

Convert ksi to megapascals instantly. 1 ksi = 6.8947572932 MPa. Includes the exact factor, a conversion table of common values and the definition of both units.

ksi
Megapascals
One step, one exact factorKSIwhat you have× 6.8947572932Megapascalswhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert ksi to megapascals

To convert ksi to megapascals, multiply by 6.8947572932. 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.

MPa = ksi × 6.8947572932

KSI to Megapascals conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

KSIMegapascals
1 ksi6.894757 MPa
2 ksi13.789515 MPa
3 ksi20.684272 MPa
5 ksi34.473786 MPa
10 ksi68.947573 MPa
20 ksi137.895146 MPa
25 ksi172.368932 MPa
50 ksi344.737865 MPa
100 ksi689.475729 MPa
500 ksi3,447.38 MPa
1,000 ksi6,894.76 MPa

What is a ksi?

A thousand psi, used for structural steel strength.

What is a megapascal?

A million pascals, used for material strength and hydraulics.

The formula

MPa = ksi × 6.8947572932

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 KSI to Megapascals

  1. Type the number of ksi you want to convert.
  2. Read the result in megapascals straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked megapascals to ksi page.

KSI to Megapascals — frequently asked questions

How many megapascals are in a ksi?

One ksi equals 6.8947572932 MPa. MPa = ksi × 6.8947572932

What is the formula to convert ksi to megapascals?

The formula is MPa = ksi × 6.8947572932. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert megapascals back to ksi?

Divide instead of multiplying: one megapascal is 0.1450377377 ksi. 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 ksi to megapascals 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