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Pressure
Megapascals to Bar
Convert megapascals (MPa) to bar (bar). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 MPa = 10 bar
Megapascals to Bar Conversion Table
Common values, ready to copy:
| megapascals | bar |
|---|---|
| 1 MPa | 10 bar |
| 2 MPa | 20 bar |
| 5 MPa | 50 bar |
| 10 MPa | 100 bar |
| 25 MPa | 250 bar |
| 50 MPa | 500 bar |
| 100 MPa | 1000 bar |
| 1,000 MPa | 10000 bar |
Formula
bar = megapascals × 10
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
About Megapascals and Bar
Megapascals (MPa): A million pascals, or 10 bar; the unit for high-pressure engineering contexts. Common uses: Concrete and steel strength specifications, hydraulic systems, deep-water pressures, and some industrial process measurements.
Bar (bar): Defined as exactly 100,000 pascals, or roughly atmospheric pressure at sea level; the name comes from the Greek baros meaning weight. Common uses: European weather reports, tire pressure in some countries (and motorcycles globally), gas cylinder pressures, and brewery/winery pressures.
How the conversion works
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
The exact relationship is bar = megapascals × 10, which the calculator at the top of this page applies in both directions. Type into either field and the other updates immediately.
When this conversion matters
Converting between megapascals and bar comes up wherever pressure measurements move between systems — from one country's conventions to another's, from a scientific reference to a practical specification, or from one industry's working unit to another's. The calculator and reference table above cover the everyday range; for unusual values you can type any number into either field.