Inches of mercury.
inHgs to Meter of waters Converter — inHg to mH2O
Convert inHg (inHg) to Meter of water (mH2O) using the exact conversion factor (1 inhg = 0.3453155767 meter of water). See the formula, worked examples, and conversion table.
inHgs 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 3386.389 / 9806.65.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting inHgs to Meter of waters
inHg 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: Inches of mercury, and meter of water column.
Formula
meter of waters = inhgs × 0.345315576675
This factor comes from each unit's defined relationship to the category's base unit: 1 inhg equals 3386.389 base units, and 1 meter of water equals 9806.65 base units, so dividing one by the other gives the direct inhg-to-meter of water factor of 0.345315576675.
Simple example
1 inHg × 0.3453155767 = 0.3453155767 mH2O
1 inhg = 0.3453155767 meter of waters.
Real-world example
100 inHg × 0.3453155767 = 34.53155767 mH2O
100 inhgs = 34.53155767 meter of waters.
Conversion table
| inHg (inHg) | Meter of water (mH2O) |
|---|---|
| 1 inHg | 0.3453155767 mH2O |
| 10 inHg | 3.453155767 mH2O |
| 50 inHg | 17.26577883 mH2O |
| 100 inHg | 34.53155767 mH2O |
| 500 inHg | 172.6577883 mH2O |
| 1,000 inHg | 345.3155767 mH2O |
Reverse conversion: Meter of water to inHg
0.3453155767 mH2O × 2.8959018 = 1 inHg
0.3453155767 meter of waters = 1 inhgs.
inhgs = meter of waters × 2.89590179982
For a page dedicated to this direction, see Meter of water to inHg.
Understanding the inHg (inHg)
Inches of mercury.
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 inhg?
1 inhg equals 0.3453155767 meter of waters, using the exact defined conversion factor rather than an estimate.
How do I convert inhg to meter of water?
Multiply the inhg value by 0.3453155767. The converter above does this instantly to whatever precision you set.
How do I convert meter of water back to inhg?
Use the reverse factor: 1 meter of water equals 2.8959018 inhgs. You can also use the swap control in the converter above to flip the direction instantly.
What is a inhg?
inHg (inHg) is a unit of engineering.
What is a meter of water?
Meter of water (mH2O) is a unit of engineering.
Is the inhg to meter of water conversion exact?
Yes. Both inhg and meter of water are defined by fixed standards rather than physical artifacts, so the factor of 0.3453155767 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.