Bar to Megapascals
Convert bar to megapascals instantly. 1 bar = 0.1 MPa. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert bar to megapascals
To convert bar to megapascals, divide by 10 (multiply by 0.1). 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 = bar × 0.1
Bar to Megapascals conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Bar | Megapascals |
|---|---|
| 1 bar | 0.1 MPa |
| 2 bar | 0.2 MPa |
| 3 bar | 0.3 MPa |
| 5 bar | 0.5 MPa |
| 10 bar | 1 MPa |
| 20 bar | 2 MPa |
| 25 bar | 2.5 MPa |
| 50 bar | 5 MPa |
| 100 bar | 10 MPa |
| 500 bar | 50 MPa |
| 1,000 bar | 100 MPa |
What is a bar?
Defined as exactly 100 kPa, very close to one atmosphere at sea level.
What is a megapascal?
A million pascals, used for material strength and hydraulics.
The formula
MPa = bar × 0.1
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 Bar to Megapascals
- Type the number of bar you want to convert.
- Read the result in megapascals 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 megapascals to bar page.
Bar to Megapascals — frequently asked questions
How many megapascals are in a bar?
One bar equals 0.1 MPa. MPa = bar × 0.1
What is the formula to convert bar to megapascals?
The formula is MPa = bar × 0.1. 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 bar?
Divide instead of multiplying: one megapascal is 10 bar. 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 bar 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
This page answers each of these searches. They are the exact phrases visitors use to find the bar to megapascals.
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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