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foot of air [0 °C] foot of air [15 °C] |
to |
inch mercury |

How many foot of air in 1 inch mercury?
The answer is 876.37452845287.

We assume you are converting between **foot of air [0 °C]** and .

You can view more details on each measurement unit:

foot of air or
inch mercury

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.25879322442072 foot of air, or 0.00029529980164712 inch mercury.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between feet of air and inches mercury.

Type in your own numbers in the form to convert the units!

1 foot of air to inch mercury = 0.00114 inch mercury

10 foot of air to inch mercury = 0.01141 inch mercury

50 foot of air to inch mercury = 0.05705 inch mercury

100 foot of air to inch mercury = 0.11411 inch mercury

200 foot of air to inch mercury = 0.22821 inch mercury

500 foot of air to inch mercury = 0.57053 inch mercury

1000 foot of air to inch mercury = 1.14106 inch mercury

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

foot of air to decitorr

foot of air to microbar

foot of air to ton/square foot

foot of air to torr

foot of air to kilopond/square meter

foot of air to barad

foot of air to attopascal

foot of air to kilogram/square centimeter

foot of air to femtobar

foot of air to meter of air

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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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