How many micrometer of mercury in 1 inch of mercury?
The answer is 25399.999704976.
We assume you are converting between micrometer of mercury [0 °C] and inch of mercury [0 °C].
You can view more details on each measurement unit:
micrometer of mercury or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 7.5006156130264 micrometer of mercury, or 0.00029529983071445 inch of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between micrometers of mercury and inches of mercury.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from inch of mercury to micrometer of mercury, or enter any two units below:
micrometer of mercury to torr
micrometer of mercury to millitorr
micrometer of mercury to millipascal
micrometer of mercury to megapascal
micrometer of mercury to millimeter of water
micrometer of mercury to dekapascal
micrometer of mercury to nanobar
micrometer of mercury to petapascal
micrometer of mercury to inch mercury
micrometer of mercury to zeptobar
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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