›› Convert inch of mercury [0 C] to kilopascal

inch of mercury
kilopascal



›› More information from the unit converter

How many inch of mercury in 1 kilopascal? The answer is 0.295299830714.
We assume you are converting between inch of mercury [0 C] and kilopascal.
You can view more details on each measurement unit:
inch of mercury or kilopascal
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.000295299830714 inch of mercury, or 0.001 kilopascal.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and kilopascals.
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›› 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.


›› Definition: Kilopascal

The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.

So 1 kilopascal = 103 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.


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