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inch of air [15 °C]
How many inch of mercury in 1 inch of air?
The answer is 9.50887307088E-5.
We assume you are converting between inch of mercury [0 °C] and inch of air [0 °C].
You can view more details on each measurement unit:
inch of mercury or inch of air
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529983071445 inch of mercury, or 3.1055186930487 inch of air.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and inches of air.
Type in your own numbers in the form to convert the units!
1 inch of mercury to inch of air = 10516.49331 inch of air
2 inch of mercury to inch of air = 21032.98661 inch of air
3 inch of mercury to inch of air = 31549.47992 inch of air
4 inch of mercury to inch of air = 42065.97323 inch of air
5 inch of mercury to inch of air = 52582.46653 inch of air
6 inch of mercury to inch of air = 63098.95984 inch of air
7 inch of mercury to inch of air = 73615.45314 inch of air
8 inch of mercury to inch of air = 84131.94645 inch of air
9 inch of mercury to inch of air = 94648.43976 inch of air
10 inch of mercury to inch of air = 105164.93306 inch of air
You can do the reverse unit conversion from inch of air to inch of mercury, or enter any two units below:
inch of mercury to millipascal
inch of mercury to nanopascal
inch of mercury to petabar
inch of mercury to zeptobar
inch of mercury to pound/square inch
inch of mercury to millimeter of mercury
inch of mercury to pascal
inch of mercury to kilopascal
inch of mercury to terabar
inch of mercury to picopascal
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.
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!