How many centimeter of water in 1 inch mercury?
The answer is 34.531557667501.
We assume you are converting between centimeter of water [4 °C] and .
You can view more details on each measurement unit:
centimeter of water or inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.010197162129779 centimeter of water, 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 centimeters of water and inches mercury.
Type in your own numbers in the form to convert the units!
1 centimeter of water to inch mercury = 0.02896 inch mercury
10 centimeter of water to inch mercury = 0.28959 inch mercury
20 centimeter of water to inch mercury = 0.57918 inch mercury
30 centimeter of water to inch mercury = 0.86877 inch mercury
40 centimeter of water to inch mercury = 1.15836 inch mercury
50 centimeter of water to inch mercury = 1.44795 inch mercury
100 centimeter of water to inch mercury = 2.8959 inch mercury
200 centimeter of water to inch mercury = 5.7918 inch mercury
You can do the reverse unit conversion from inch mercury to centimeter of water, or enter any two units below:
centimeter of water to centihg
centimeter of water to kilogram-force/square millimeter
centimeter of water to yottabar
centimeter of water to zeptobar
centimeter of water to pascal
centimeter of water to technical atmosphere
centimeter of water to centitorr
centimeter of water to centimeter mercury
centimeter of water to millimeter water
centimeter of water to barye
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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