›› Convert inch of mercury [0 C] to foot of mercury [0 C]


inch of mercury
foot of mercury

›› More information from the unit converter

How many inch of mercury in 1 foot of mercury? The answer is 12.
We assume you are converting between inch of mercury [0 C] and foot of mercury [0 C].
You can view more details on each measurement unit:
inch of mercury or foot of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529983071445 inch of mercury, or 2.4608319226204E-5 foot of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and feet of mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch of mercury to foot of mercury

1 inch of mercury to foot of mercury = 0.08333 foot of mercury

10 inch of mercury to foot of mercury = 0.83333 foot of mercury

20 inch of mercury to foot of mercury = 1.66667 foot of mercury

30 inch of mercury to foot of mercury = 2.5 foot of mercury

40 inch of mercury to foot of mercury = 3.33333 foot of mercury

50 inch of mercury to foot of mercury = 4.16667 foot of mercury

100 inch of mercury to foot of mercury = 8.33333 foot of mercury

200 inch of mercury to foot of mercury = 16.66667 foot of mercury


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

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›› Common pressure conversions

inch of mercury to kip/square inch
inch of mercury to petapascal
inch of mercury to centitorr
inch of mercury to femtobar
inch of mercury to bar
inch of mercury to gigapascal
inch of mercury to water column
inch of mercury to micrometer of water
inch of mercury to hectopascal
inch of mercury to newton/square meter


›› 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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!