| Did you mean to convert | inch mercury | to | water column [centimeter] water column [inch] water column [millimeter] |
How many inch mercury in 1 water column [centimeter]? The answer is 0.028959017998228. We assume you are converting between inch mercury [0 °C] and water column [centimeter]. You can view more details on each measurement unit: inch mercury or water column [centimeter] The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529980164712 inch mercury, or 0.010197162129779 water column [centimeter]. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches mercury and water column. Type in your own numbers in the form to convert the units!
1 inch mercury to water column [centimeter] = 34.53156 water column [centimeter]
2 inch mercury to water column [centimeter] = 69.06312 water column [centimeter]
3 inch mercury to water column [centimeter] = 103.59467 water column [centimeter]
4 inch mercury to water column [centimeter] = 138.12623 water column [centimeter]
5 inch mercury to water column [centimeter] = 172.65779 water column [centimeter]
6 inch mercury to water column [centimeter] = 207.18935 water column [centimeter]
7 inch mercury to water column [centimeter] = 241.7209 water column [centimeter]
8 inch mercury to water column [centimeter] = 276.25246 water column [centimeter]
9 inch mercury to water column [centimeter] = 310.78402 water column [centimeter]
10 inch mercury to water column [centimeter] = 345.31558 water column [centimeter]
You can do the reverse unit conversion from water column [centimeter] to inch mercury, or enter any two units below:
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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