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


foot mercury
inch of mercury

›› More information from the unit converter

How many foot mercury in 1 inch of mercury? The answer is 0.083333333333333.
We assume you are converting between foot mercury [0 C] and inch of mercury [0 C].
You can view more details on each measurement unit:
foot mercury or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 2.4608319226204E-5 foot mercury, or 0.00029529983071445 inch of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between feet mercury and inches of mercury.
Type in your own numbers in the form to convert the units!


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

1 foot mercury to inch of mercury = 12 inch of mercury

2 foot mercury to inch of mercury = 24 inch of mercury

3 foot mercury to inch of mercury = 36 inch of mercury

4 foot mercury to inch of mercury = 48 inch of mercury

5 foot mercury to inch of mercury = 60 inch of mercury

6 foot mercury to inch of mercury = 72 inch of mercury

7 foot mercury to inch of mercury = 84 inch of mercury

8 foot mercury to inch of mercury = 96 inch of mercury

9 foot mercury to inch of mercury = 108 inch of mercury

10 foot mercury to inch of mercury = 120 inch of mercury


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

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›› Common pressure conversions

foot mercury to millimeter mercury
foot mercury to newton/square meter
foot mercury to kilogram-force/square meter
foot mercury to zeptobar
foot mercury to kilopond/square millimeter
foot mercury to centimeter mercury
foot mercury to dekabar
foot mercury to femtobar
foot mercury to millimeter of water
foot mercury to technical atmosphere


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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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