Convert inhg to inch of water column
More information from the unit converter
How many inhg in 1 inch of water column? The answer is 0.073555912463681. We assume you are converting between inch of mercury [0 °C] and inch of water column. You can view more details on each measurement unit: inhg or inch of water column The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529983071445 inhg, or 0.0040146307866177 inch of water column. 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 water column. Type in your own numbers in the form to convert the units!
Quick conversion chart of inhg to inch of water column
1 inhg to inch of water column = 13.5951 inch of water column
2 inhg to inch of water column = 27.1902 inch of water column
3 inhg to inch of water column = 40.7853 inch of water column
4 inhg to inch of water column = 54.3804 inch of water column
5 inhg to inch of water column = 67.9755 inch of water column
6 inhg to inch of water column = 81.5706 inch of water column
7 inhg to inch of water column = 95.1657 inch of water column
8 inhg to inch of water column = 108.7608 inch of water column
9 inhg to inch of water column = 122.3559 inch of water column
10 inhg to inch of water column = 135.951 inch of water column
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You can do the reverse unit conversion from inch of water column to inhg, or enter any two units below:
Common pressure conversions
inhg to attobar inhg to poundal/square foot inhg to kilopascal inhg to exabar inhg to inch mercury inhg to micrometer of mercury inhg to yottabar inhg to pound/square inch inhg to gram/square centimeter inhg to terapascal
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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