›› Convert inch of mercury [0 °C] to meter of head

inch of mercury
meter of head

›› More information from the unit converter

How many inch of mercury in 1 meter of head? The answer is 2.8951607145705.
We assume you are converting between inch of mercury [0 °C] and meter of head.
You can view more details on each measurement unit:
inch of mercury or meter of head
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529983071445 inch of mercury, or 0.00010199773339984 meter of head.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and meters of head.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of inch of mercury to meter of head

1 inch of mercury to meter of head = 0.3454 meter of head

5 inch of mercury to meter of head = 1.72702 meter of head

10 inch of mercury to meter of head = 3.45404 meter of head

20 inch of mercury to meter of head = 6.90808 meter of head

30 inch of mercury to meter of head = 10.36212 meter of head

40 inch of mercury to meter of head = 13.81616 meter of head

50 inch of mercury to meter of head = 17.2702 meter of head

75 inch of mercury to meter of head = 25.9053 meter of head

100 inch of mercury to meter of head = 34.5404 meter of head

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You can do the reverse unit conversion from meter of head to inch of mercury, or enter any two units below:

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›› Common pressure conversions

inch of mercury to ton/square foot
inch of mercury to foot mercury
inch of mercury to millipascal
inch of mercury to meter of air
inch of mercury to millimeter water
inch of mercury to inch of air
inch of mercury to millihg
inch of mercury to picopascal
inch of mercury to kilogram-force/square millimeter
inch of mercury to barad

›› Definition: Inch of mercury

Inches of mercury or inHg is a non-SI unit for pressure. It is still widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.

It is defined as the pressure exerted by a column of mercury of 1 inch in height at 32 °F (0 °C) at the standard acceleration of gravity.

1 inHg = 3,386.389 pascals at 0 °C.

Aircraft operating at higher altitudes (above 18,000 feet) set their barometric altimeters to a standard pressure of 29.92 inHg or 1,013.2 hPa (1 hPa = 1 mbar) regardless of the actual sea level pressure, with inches of mercury used in the U.S. and Canada. The resulting altimeter readings are known as flight levels.

Piston engine aircraft with constant-speed propellers also use inHg to measure manifold pressure, which is indicative of engine power produced.

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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!