PSI to Megapascal Conversion
Convert between PSI and Megapascal quickly and accurately.
How to Convert PSI to Megapascal
Conversion Formula
Example
Convert 15 psi to MPa:
Unit Information
Learn about the pressure units you're converting between
PSI
psi
Definition
Pounds per square inch (symbol: psi) is a unit of pressure in the imperial system, representing the pressure resulting from a force of one pound-force applied to an area of one square inch. It equals approximately 6,895 pascals.
History/Origin
PSI was developed in the British imperial system for measuring pressure in mechanical and hydraulic systems. It became widely used in the United States and remains the standard unit for many pressure measurements in American industry.
Current Use
PSI is used extensively in the United States for tire pressure, hydraulic systems, pneumatic tools, industrial pressure measurements, automotive applications, and mechanical engineering specifications.
Multiplier
6894.757
Offset
0
Megapascal
MPa
Definition
A megapascal (symbol: MPa) is a unit of pressure equal to one million pascals or one newton per square millimeter. It is commonly used for measuring high pressures in engineering, material testing, and industrial applications.
History/Origin
The megapascal was introduced for measuring high pressures encountered in engineering applications. It became essential in material science, structural engineering, and industrial processes requiring high-pressure measurements.
Current Use
Megapascals are used in material testing for measuring compressive and tensile strength, in structural engineering for concrete and steel specifications, in industrial processes for high-pressure systems, and in geophysics for rock pressure measurements.
Multiplier
1000000
Offset
0
PSI to Megapascal Conversion Table
| PSI [psi] | Megapascal [MPa] |
|---|---|
| 1 psi | 0.006895 MPa |
| 10 psi | 0.068948 MPa |
| 25 psi | 0.172369 MPa |
| 50 psi | 0.344738 MPa |
| 100 psi | 0.689476 MPa |
| 0 psi | 0E+0 MPa |
| -10 psi | -0.068948 MPa |
| -40 psi | -0.27579 MPa |
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