The pascal is one newton per square meter.
Pascals to Meter of waters Converter — Pa to mH2O
Convert Pascal (Pa) to Meter of water (mH2O) using the exact conversion factor (1 pascal = 0.0001019716 meter of water). See the formula, worked examples, conversion table, history, and common uses.
Pascals to Meter of waters 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.
Meter of water column.
Result = input x 1 / 9806.65.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pascals to Meter of waters
Pascal and Meter of water 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. Pascal is most often used for scientific and engineering pressure measurement worldwide.
Formula
meter of waters = pascals × 0.000101971621298
This factor comes from each unit's defined relationship to the category's base unit: 1 pascal equals 1 base unit, and 1 meter of water equals 9806.65 base units, so dividing one by the other gives the direct pascal-to-meter of water factor of 0.000101971621298.
Simple example
1 Pa × 0.0001019716213 = 0.0001019716 mH2O
1 pascal = 0.0001019716 meter of waters.
Real-world example
100 Pa × 0.0001019716213 = 0.0101971621 mH2O
100 pascals = 0.0101971621 meter of waters.
Conversion table
| Pascal (Pa) | Meter of water (mH2O) |
|---|---|
| 1 Pa | 0.0001019716 mH2O |
| 10 Pa | 0.0010197162 mH2O |
| 50 Pa | 0.0050985811 mH2O |
| 100 Pa | 0.0101971621 mH2O |
| 500 Pa | 0.0509858107 mH2O |
| 1,000 Pa | 0.1019716213 mH2O |
Reverse conversion: Meter of water to Pascal
0.0001019716 mH2O × 9806.65 = 0.9999997911 Pa
0.0001019716 meter of waters = 0.9999997911 pascals.
pascals = meter of waters × 9806.65
For a page dedicated to this direction, see Meter of water to Pascal.
Understanding the Pascal
Pascal (Pa) measures pressure. The pascal is the SI derived unit of pressure: one newton of force per square meter. It is classified as a SI derived unit.
Where it's used: Standard scientific pressure unit worldwide
Uses of the Pascal today
- Scientific and engineering pressure measurement worldwide
- Meteorology (often as hectopascals, equivalent to millibars)
- Material science (stress and strength, typically in megapascals)
History of the Pascal
The pascal is named after Blaise Pascal, whose 17th-century experiments clarified the physics of fluid pressure and vacuum. It was adopted as the SI derived unit of pressure in 1971, replacing the older, non-coherent CGS pressure units used in much scientific work up to that point.
Historical origin. Pascal was not the invention of a single named person; it developed through the process described above.
Understanding the Meter of water (mH2O)
Meter of water column.
Pascal — sources
- BIPM SI Brochure — Coherent derived units — Defines the pascal as the SI unit of pressure.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many meter of waters are in 1 pascal?
1 pascal equals 0.0001019716 meter of waters, using the exact defined conversion factor rather than an estimate.
How do I convert pascal to meter of water?
Multiply the pascal value by 0.0001019716213. The converter above does this instantly to whatever precision you set.
How do I convert meter of water back to pascal?
Use the reverse factor: 1 meter of water equals 9,806.65 pascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a pascal?
Pascal (Pa) measures pressure. The pascal is the SI derived unit of pressure: one newton of force per square meter. It is classified as a SI derived unit.
What is a meter of water?
Meter of water (mH2O) is a unit of engineering.
Is the pascal to meter of water conversion exact?
Yes. Both pascal and meter of water are defined by fixed standards rather than physical artifacts, so the factor of 0.0001019716213 used above is exact to as many digits as you choose to display.
Where is the pascal still used today?
Standard scientific pressure unit worldwide
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.