Megapascals to Bar
Convert megapascals to bar instantly. 1 MPa = 10 bar. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert megapascals to bar
To convert megapascals to bar, multiply by 10. 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.
bar = MPa × 10
Megapascals to Bar conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Megapascals | Bar |
|---|---|
| 1 MPa | 10 bar |
| 2 MPa | 20 bar |
| 3 MPa | 30 bar |
| 5 MPa | 50 bar |
| 10 MPa | 100 bar |
| 20 MPa | 200 bar |
| 25 MPa | 250 bar |
| 50 MPa | 500 bar |
| 100 MPa | 1,000 bar |
| 500 MPa | 5,000 bar |
| 1,000 MPa | 10,000 bar |
What is a megapascal?
A million pascals, used for material strength and hydraulics.
What is a bar?
Defined as exactly 100 kPa, very close to one atmosphere at sea level.
The formula
bar = MPa × 10
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 Bar
- Type the number of megapascals you want to convert.
- Read the result in bar 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 bar to megapascals page.
Megapascals to Bar — frequently asked questions
How many bar are in a megapascal?
One megapascal equals 10 bar. bar = MPa × 10
What is the formula to convert megapascals to bar?
The formula is bar = MPa × 10. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert bar back to megapascals?
Divide instead of multiplying: one bar is 0.1 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 bar 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.
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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