›› Convert inch of water [4 °C] to millimeter of mercury [0 °C]


inch of water
millimeter of mercury


›› More information from the unit converter

How many inch of water in 1 millimeter of mercury? The answer is 0.53524017143946.
We assume you are converting between inch of water [4 °C] and millimeter of mercury [0 °C].
You can view more details on each measurement unit:
inch of water or millimeter of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch of water, or 0.0075006156130264 millimeter of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of water and millimeters of mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch of water to millimeter of mercury

1 inch of water to millimeter of mercury = 1.86832 millimeter of mercury

5 inch of water to millimeter of mercury = 9.3416 millimeter of mercury

10 inch of water to millimeter of mercury = 18.6832 millimeter of mercury

15 inch of water to millimeter of mercury = 28.0248 millimeter of mercury

20 inch of water to millimeter of mercury = 37.3664 millimeter of mercury

25 inch of water to millimeter of mercury = 46.708 millimeter of mercury

30 inch of water to millimeter of mercury = 56.0496 millimeter of mercury

40 inch of water to millimeter of mercury = 74.73281 millimeter of mercury

50 inch of water to millimeter of mercury = 93.41601 millimeter of mercury



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›› Common pressure conversions

inch of water to pieze
inch of water to exabar
inch of water to meter of air
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›› Definition: Millimeter of mercury

The torr (symbol: Torr) or millimetre of mercury (mmHg) is a non-SI unit of pressure. It is the atmospheric pressure that supports a column of mercury 1 millimetre high. The unit is named after Evangelista Torricelli, Italian physicist and mathematician, for his discovery of the principle of the barometer in 1643.


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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!