How many kilopascal in 1 inch mercury?
The answer is 3.386389.
We assume you are converting between kilopascal and .
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kilopascal or
inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.001 kilopascal, 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 kilopascals and inches mercury.
Type in your own numbers in the form to convert the units!
1 kilopascal to inch mercury = 0.2953 inch mercury
5 kilopascal to inch mercury = 1.4765 inch mercury
10 kilopascal to inch mercury = 2.953 inch mercury
20 kilopascal to inch mercury = 5.906 inch mercury
30 kilopascal to inch mercury = 8.85899 inch mercury
40 kilopascal to inch mercury = 11.81199 inch mercury
50 kilopascal to inch mercury = 14.76499 inch mercury
75 kilopascal to inch mercury = 22.14749 inch mercury
100 kilopascal to inch mercury = 29.52998 inch mercury
You can do the reverse unit conversion from inch mercury to kilopascal, or enter any two units below:
kilopascal to meter of air
kilopascal to centipascal
kilopascal to kilonewton/square meter
kilopascal to centimeter mercury
kilopascal to decibar
kilopascal to kilobar
kilopascal to barye
kilopascal to millimeter of mercury
kilopascal to picopascal
kilopascal to millihg
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.
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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