Pascals (Pa) to Megapascals (MPa) Conversion
Pascals
The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square metre (N/m²), named after French mathematician Blaise Pascal who studied fluid pressure in the 17th century. Standard atmospheric pressure at sea level is 101,325 Pa (101.3 kPa). The pascal is a small unit for everyday use — a gentle breeze exerts approximately 1 Pa of dynamic pressure — so kilopascals (kPa) and megapascals (MPa) are more common in practical engineering contexts.
Megapascals
The megapascal (MPa) is a unit of pressure equal to exactly 1,000,000 pascals (10⁶ Pa) and is the standard unit for expressing material strength, hydraulic system pressure, and structural loading in engineering. The tensile strength of structural steel is approximately 400–600 MPa; high-strength carbon fibre composites can exceed 3,500 MPa. Hydraulic systems in heavy machinery operate at 20–70 MPa. In geology, lithostatic pressure in the Earth's crust is measured in MPa and GPa.
| Pascals (Pa) | Megapascals (MPa) |
|---|---|
| 0.1 Pa | 1.0E-7 MPa |
| 1 Pa | 1.0E-6 MPa |
| 2 Pa | 2.0E-6 MPa |
| 3 Pa | 3.0E-6 MPa |
| 5 Pa | 5.0E-6 MPa |
| 10 Pa | 1.0E-5 MPa |
| 20 Pa | 2.0E-5 MPa |
| 30 Pa | 3.0E-5 MPa |
| 50 Pa | 5.0E-5 MPa |
| 100 Pa | 0.0001 MPa |
| 1000 Pa | 0.001 MPa |