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


foot of head
inch of mercury


›› More information from the unit converter

How many foot of head in 1 inch of mercury? The answer is 1.1332151194584.
We assume you are converting between foot of head and inch of mercury [0 C].
You can view more details on each measurement unit:
foot of head or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00033463823293911 foot of head, 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 of head and inches of mercury.
Type in your own numbers in the form to convert the units!


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

1 foot of head to inch of mercury = 0.88244 inch of mercury

5 foot of head to inch of mercury = 4.41222 inch of mercury

10 foot of head to inch of mercury = 8.82445 inch of mercury

20 foot of head to inch of mercury = 17.6489 inch of mercury

30 foot of head to inch of mercury = 26.47335 inch of mercury

40 foot of head to inch of mercury = 35.2978 inch of mercury

50 foot of head to inch of mercury = 44.12225 inch of mercury

75 foot of head to inch of mercury = 66.18337 inch of mercury

100 foot of head to inch of mercury = 88.2445 inch of mercury


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›› Common pressure conversions

foot of head to foot of water
foot of head to meganewton/square meter
foot of head to yoctopascal
foot of head to micron of mercury
foot of head to nanopascal
foot of head to ton/square meter
foot of head to ton/square inch
foot of head to centimeter of water
foot of head to barye
foot of head to pieze


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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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