Convert between megapascals (MPa) and pascals (Pa) for engineering, materials science, and pressure measurement applications with precision.
Conversion Factor:
1 megapascal (MPa) = 1,000,000 pascals (Pa)
Pa = MPa × 1,000,000 | MPa = Pa ÷ 1,000,000
Accepts decimal values (e.g., 0.15 MPa)
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Units of pressure in the International System of Units (SI) used in science and engineering
Understanding where these units fit in the pressure scale:
| Pressure | MPa | Pa | Context |
|---|---|---|---|
| Atmospheric pressure (sea level) | 0.101325 MPa | 101,325 Pa | Standard atmosphere |
| Water pressure at 10m depth | 0.1 MPa | 100,000 Pa | Swimming pool depth |
| Car tire pressure | 0.2-0.3 MPa | 200,000-300,000 Pa | Typical passenger vehicle |
| Hydraulic systems | 10-30 MPa | 10-30 million Pa | Industrial machinery |
| Concrete strength | 20-40 MPa | 20-40 million Pa | Structural concrete |
| Steel strength | 250-1,000 MPa | 250-1,000 million Pa | Structural steel alloys |
Common pressure conversions for engineering and scientific applications
| Megapascals (MPa) | = | Pascals (Pa) | Engineering Context |
|---|---|---|---|
| 0.001 MPa | = | 1,000 Pa | Low pressure systems |
| 0.1 MPa | = | 100,000 Pa | 10m water depth |
| 0.101325 MPa | = | 101,325 Pa | 1 standard atmosphere |
| 0.2 MPa | = | 200,000 Pa | Typical car tire pressure |
| 1 MPa | = | 1,000,000 Pa | High-pressure cleaning |
| 10 MPa | = | 10,000,000 Pa | Hydraulic systems |
| 30 MPa | = | 30,000,000 Pa | Concrete compressive strength |
| 500 MPa | = | 500,000,000 Pa | High-strength steel |
All conversions use the factor: 1 MPa = 1,000,000 Pa
Common questions about pascals and megapascals
The difference is in their magnitude. A megapascal (MPa) is one million times larger than a pascal (Pa):
1 MPa = 1,000,000 Pa
1 Pa = 0.000001 MPa
Pascals are used for measuring relatively low pressures, while megapascals are used for high pressures encountered in engineering and materials science.
Use pascals (Pa) for:
Use megapascals (MPa) for:
Standard atmospheric pressure at sea level is approximately:
101,325 pascals (Pa)
0.101325 megapascals (MPa)
This means 1 MPa is roughly 10 times greater than standard atmospheric pressure.
Pascals and megapascals are fundamental for specifying:
Using the correct unit magnitude (Pa vs MPa) avoids errors in calculations and ensures clear communication in technical specifications.
While pascals and megapascals are SI units, other common pressure units include:
Engineering specifications often include multiple units for clarity across international projects.
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