Meter of water column.
Meter of waters to Decipascals Converter — mH2O to dPa
Convert Meter of water (mH2O) to Decipascal (dPa) using the exact conversion factor (1 meter of water = 98,066.5 decipascal). See the formula, worked examples, and conversion table.
Meter of waters to Decipascals 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.
Decipascal is 0.1 pascal units.
Result = input x 9806.65 / 0.1.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Meter of waters to Decipascals
Meter of water and Decipascal 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 decipascal is 0.1 pascal units.
Formula
decipascals = meter of waters × 98066.5
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 decipascal equals 0.1 base units, so dividing one by the other gives the direct meter of water-to-decipascal factor of 98066.5.
Simple example
1 mH2O × 98066.5 = 98,066.5 dPa
1 meter of water = 98,066.5 decipascals.
Real-world example
100 mH2O × 98066.5 = 9,806,650 dPa
100 meter of waters = 9,806,650 decipascals.
Conversion table
| Meter of water (mH2O) | Decipascal (dPa) |
|---|---|
| 1 mH2O | 98,066.5 dPa |
| 10 mH2O | 980,665 dPa |
| 50 mH2O | 4,903,325 dPa |
| 100 mH2O | 9,806,650 dPa |
| 500 mH2O | 49,033,250 dPa |
| 1,000 mH2O | 98,066,500 dPa |
Reverse conversion: Decipascal to Meter of water
1 dPa × 0.00001019716213 = 0.0000101972 mH2O
1 decipascal = 0.0000101972 meter of waters.
meter of waters = decipascals × 0.0000101971621298
For a page dedicated to this direction, see Decipascal to Meter of water.
Understanding the Meter of water (mH2O)
Meter of water column.
Understanding the Decipascal (dPa)
Decipascal is 0.1 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decipascals are in 1 meter of water?
1 meter of water equals 98,066.5 decipascals, using the exact defined conversion factor rather than an estimate.
How do I convert meter of water to decipascal?
Multiply the meter of water value by 98066.5. The converter above does this instantly to whatever precision you set.
How do I convert decipascal back to meter of water?
Use the reverse factor: 1 decipascal equals 0.0000101972 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 decipascal?
Decipascal (dPa) is a unit of engineering.
Is the meter of water to decipascal conversion exact?
Yes. Both meter of water and decipascal are defined by fixed standards rather than physical artifacts, so the factor of 98066.5 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.