Convert pascal to megapascal
1 pascal = 0.000001 megapascals
What is pascal?
The pascal is the SI base unit of pressure, equal to one newton per square metre. It is used in meteorology, fluid dynamics, materials science, and all scientific pressure measurements.
Real-world uses
The pascal is the SI unit of pressure used in engineering stress analysis, materials science, and acoustics (sound pressure levels). Concrete and steel specifications list compressive strength in megapascals (MPa). Atmospheric pressure is about 101,325 Pa.
History
Named after Blaise Pascal, the French mathematician and physicist who conducted pioneering experiments on fluid pressure and vacuum in the 1640s. The pascal was adopted as the SI unit of pressure in 1971 at the 14th General Conference on Weights and Measures.
Common mistakes
Using pascals directly for everyday pressure is impractical since one pascal is a very small pressure (about the weight of a dollar bill spread over a desk). Most practical applications use kPa, hPa, or MPa instead.
What is megapascal?
A megapascal is a pressure unit equal to one million pascals. It is used for measuring high pressures in industrial hydraulics, structural materials testing, and deep-sea and geological applications.
Real-world uses
Megapascals are used for concrete compressive strength (typical structural concrete is 20–40 MPa), steel tensile strength (mild steel ≈ 250 MPa yield), and hydraulic system pressures. Geologists use MPa for rock stress and tectonic pressure at depth.
History
The megapascal became a standard engineering unit with the global adoption of SI. It provides a convenient scale for material strength and high-pressure applications, replacing older units like kgf/cm² and ksi (kilopounds per square inch) in most countries.
Common mistakes
Confusing MPa with kPa—they differ by a factor of 1,000. Specifying concrete strength as 30 kPa instead of 30 MPa would describe an impossibly weak material. Also, 1 MPa = 1 N/mm², a useful equivalence often forgotten.
When is this conversion used?
Converting pascal to megapascal is useful in the pressure domain when comparing values across different measurement standards or applying formulas that require a specific unit.
Worked examples
1 pascal = 0.000001 megapascals
1 megapascal = 1,000,000 pascals
How to convert pascal to megapascal
To convert pascal to megapascal, multiply the value by 0.000001.
To convert megapascal back to pascal, multiply by 1,000,000.
Measurement standards
The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square metre. The World Meteorological Organization mandates the hectopascal (hPa) for atmospheric pressure reporting in aviation and weather services.
Did you know?
The pressure at the bottom of the Mariana Trench, nearly 11 km deep, exceeds 1,086 bar — over a thousand times atmospheric pressure. At this depth, water is compressed by about 5%, making it measurably denser than at the surface.
| pascals | megapascals |
|---|---|
| 0.1 | 1.000000e-07 |
| 0.5 | 5.000000e-07 |
| 1 | 0.000001 |
| 2 | 0.000002 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 250 | 0.00025 |
| 500 | 0.0005 |
| 1,000 | 0.001 |
Common values
| pascals | megapascals | |
|---|---|---|
| Car tyre | 220,000 pascals | 0.22 megapascals |
| Standard atmosphere | 101,325 pascals | 0.101325 megapascals |
| Blood pressure (systolic) | 16,000 pascals | 0.016 megapascals |
| Deep-sea submersible | 110,000,000 pascals | 110 megapascals |
| Bicycle tyre | 620,000 pascals | 0.62 megapascals |
Frequently asked questions
How many megapascals are in 1 pascal?
1 pascal = 0.000001 megapascals.
How do you convert pascal to megapascal?
Multiply the pascal value by 0.000001 to get megapascal.
What is 10 pascals in megapascals?
10 pascals = 0.00001 megapascals.
How many pascals are in 1 megapascal?
1 megapascal = 1,000,000 pascals.