Megapascals to Bars Converter
Enter the pressure in megapascals below to convert it to bars.
Convert Megapascals to Bars
Enter a value in megapascals (MPa) to convert to bars (bar).
Megapascal to Bar Conversion Table
Table showing various megapascal measurements converted to bars. Click any preset value or arrow to load it into the converter.
How to Convert Megapascals to Bars
To convert megapascals to bars, multiply the pressure by the following conversion ratio: 10 bars/megapascal.
Since one megapascal is equal to 10 bars, you can use this simple formula to convert:
The pressure in bars is equal to the pressure in megapascals multiplied by 10.
For example, here's how to convert 10 megapascals to bars using the formula above.
How Many Bars Are in a Megapascal?
There are 10 bars in a megapascal, which is why we use this value in the formula above.
Our megapascal to bar calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Megapascals and bars are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Megapascal?
A megapascal is a unit of pressure equal to 1,000,000 pascals (Pa), the base unit for pressure. Equal to 1,000,000 Pascals (identically 1 N/mm²). [1]
The megapascal is classified as an International System of Units (SI) unit of pressure. Megapascals can be abbreviated as MPa; for example, 1 megapascal can be written as 1 MPa.
In the metric system, "mega" is the standard SI prefix for millions, or 10⁶. This makes the megapascal (MPa) a convenient decimal multiple of the pascal (Pa).
In practice, megapascals (MPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Bar?
A bar is a unit of pressure equal to 100,000 pascals (Pa), the base unit for pressure. Metric pressure unit equal to 100,000 Pascals (100 kPa). [2]
The bar is classified as a metric and SI-compatible unit of pressure. Bars can be abbreviated as bar; for example, 1 bar can be written as 1 bar.
When working with bars (bar) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, bars (bar) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting pressure between megapascals (MPa) and bars (bar), keep full floating-point precision (1 MPa = 10 bar; 1 bar = 0.1 MPa) during intermediate calculations and round only the final bar figure to match your instrument tolerance.
More Megapascal & Bar Conversions
Need to calculate in the opposite direction? Use our bars to megapascals converter (bar to MPa) to switch your starting unit immediately. You can also explore related tools such as converting psi to bars, converting atmospheres to bars, or converting megapascals to psi.
Convert from Megapascals
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Megapascals (MPa) to Bars (bar)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Megapascal (MPa) & Bar (bar)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (MPa to bar)