Meter of water column.
Meter of waters to Megapascals Converter — mH2O to MPa
Convert Meter of water (mH2O) to Megapascal (MPa) using the exact conversion factor (1 meter of water = 0.00980665 megapascal). See the formula, worked examples, and conversion table.
Meter of waters to Megapascals converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Megapascal is 1000000 pascal units.
Result = input x 9806.65 / 1e+6.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Meter of waters to Megapascals
Meter of water and Megapascal both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Meter of water column, and megapascal is 1000000 pascal units.
Formula
megapascals = meter of waters × 0.00980665
This factor comes from each unit's defined relationship to the category's base unit: 1 meter of water equals 9806.65 base units, and 1 megapascal equals 1000000 base units, so dividing one by the other gives the direct meter of water-to-megapascal factor of 0.00980665.
Simple example
1 mH2O × 0.00980665 = 0.00980665 MPa
1 meter of water = 0.00980665 megapascals.
Real-world example
100 mH2O × 0.00980665 = 0.980665 MPa
100 meter of waters = 0.980665 megapascals.
Conversion table
| Meter of water (mH2O) | Megapascal (MPa) |
|---|---|
| 1 mH2O | 0.00980665 MPa |
| 10 mH2O | 0.0980665 MPa |
| 50 mH2O | 0.4903325 MPa |
| 100 mH2O | 0.980665 MPa |
| 500 mH2O | 4.903325 MPa |
| 1,000 mH2O | 9.80665 MPa |
Reverse conversion: Megapascal to Meter of water
0.00980665 MPa × 101.9716213 = 1 mH2O
0.00980665 megapascals = 1 meter of water.
meter of waters = megapascals × 101.971621298
For a page dedicated to this direction, see Megapascal to Meter of water.
Understanding the Meter of water (mH2O)
Meter of water column.
Understanding the Megapascal (MPa)
Megapascal is 1000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megapascals are in 1 meter of water?
1 meter of water equals 0.00980665 megapascals, using the exact defined conversion factor rather than an estimate.
How do I convert meter of water to megapascal?
Multiply the meter of water value by 0.00980665. The converter above does this instantly to whatever precision you set.
How do I convert megapascal back to meter of water?
Use the reverse factor: 1 megapascal equals 101.9716213 meter of waters. You can also use the swap control in the converter above to flip the direction instantly.
What is a meter of water?
Meter of water (mH2O) is a unit of engineering.
What is a megapascal?
Megapascal (MPa) is a unit of engineering.
Is the meter of water to megapascal conversion exact?
Yes. Both meter of water and megapascal are defined by fixed standards rather than physical artifacts, so the factor of 0.00980665 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.