How many centihg in 1 inches of mercury? The answer is 2.5399999704976. We assume you are converting between centihg and inch of mercury [0 °C]. You can view more details on each measurement unit: centihg or inches of mercury The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00075006156130264 centihg, or 0.00029529983071445 inches of mercury. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between centihg and inches of mercury. Type in your own numbers in the form to convert the units!
1 centihg to inches of mercury = 0.3937 inches of mercury
5 centihg to inches of mercury = 1.9685 inches of mercury
10 centihg to inches of mercury = 3.93701 inches of mercury
20 centihg to inches of mercury = 7.87402 inches of mercury
30 centihg to inches of mercury = 11.81102 inches of mercury
40 centihg to inches of mercury = 15.74803 inches of mercury
50 centihg to inches of mercury = 19.68504 inches of mercury
75 centihg to inches of mercury = 29.52756 inches of mercury
100 centihg to inches of mercury = 39.37008 inches of mercury
You can do the reverse unit conversion from inches of mercury to centihg, or enter any two units below:
The SI prefix "centi" represents a factor of 10-2, or in exponential notation, 1E-2.
So 1 centihg = 10-2 hg.
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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