Millimeters of mercury at standard gravity.
mmHgs to Meter of waters Converter — mmHg to mH2O
Convert mmHg (mmHg) to Meter of water (mH2O) using the exact conversion factor (1 mmhg = 0.0135951 meter of water). See the formula, worked examples, and conversion table.
mmHgs 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 133.3223874 / 9806.65.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting mmHgs to Meter of waters
mmHg 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. Specifically: Millimeters of mercury at standard gravity, and meter of water column.
Formula
meter of waters = mmhgs × 0.0135951
This factor comes from each unit's defined relationship to the category's base unit: 1 mmhg equals 133.322387415 base units, and 1 meter of water equals 9806.65 base units, so dividing one by the other gives the direct mmhg-to-meter of water factor of 0.0135951.
Simple example
1 mmHg × 0.0135951 = 0.0135951 mH2O
1 mmhg = 0.0135951 meter of waters.
Real-world example
100 mmHg × 0.0135951 = 1.35951 mH2O
100 mmhgs = 1.35951 meter of waters.
Conversion table
| mmHg (mmHg) | Meter of water (mH2O) |
|---|---|
| 1 mmHg | 0.0135951 mH2O |
| 10 mmHg | 0.135951 mH2O |
| 50 mmHg | 0.679755 mH2O |
| 100 mmHg | 1.35951 mH2O |
| 500 mmHg | 6.79755 mH2O |
| 1,000 mmHg | 13.5951 mH2O |
Reverse conversion: Meter of water to mmHg
0.0135951 mH2O × 73.55591353 = 1 mmHg
0.0135951 meter of waters = 1 mmhg.
mmhgs = meter of waters × 73.5559135277
For a page dedicated to this direction, see Meter of water to mmHg.
Understanding the mmHg (mmHg)
Millimeters of mercury at standard gravity.
Understanding the Meter of water (mH2O)
Meter of water column.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many meter of waters are in 1 mmhg?
1 mmhg equals 0.0135951 meter of waters, using the exact defined conversion factor rather than an estimate.
How do I convert mmhg to meter of water?
Multiply the mmhg value by 0.0135951. The converter above does this instantly to whatever precision you set.
How do I convert meter of water back to mmhg?
Use the reverse factor: 1 meter of water equals 73.55591353 mmhgs. You can also use the swap control in the converter above to flip the direction instantly.
What is a mmhg?
mmHg (mmHg) is a unit of engineering.
What is a meter of water?
Meter of water (mH2O) is a unit of engineering.
Is the mmhg to meter of water conversion exact?
Yes. Both mmhg and meter of water are defined by fixed standards rather than physical artifacts, so the factor of 0.0135951 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.