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


inch of mercury
micron of mercury

›› More information from the unit converter

How many inch of mercury in 1 micron of mercury? The answer is 3.9370079197446E-5.
We assume you are converting between inch of mercury [0 C] and micron of mercury [0 C].
You can view more details on each measurement unit:
inch of mercury or micron of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529983071445 inch of mercury, or 7.5006156130264 micron of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and microns of mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch of mercury to micron of mercury

1 inch of mercury to micron of mercury = 25399.9997 micron of mercury

2 inch of mercury to micron of mercury = 50799.99941 micron of mercury

3 inch of mercury to micron of mercury = 76199.99911 micron of mercury

4 inch of mercury to micron of mercury = 101599.99882 micron of mercury

5 inch of mercury to micron of mercury = 126999.99852 micron of mercury

6 inch of mercury to micron of mercury = 152399.99823 micron of mercury

7 inch of mercury to micron of mercury = 177799.99793 micron of mercury

8 inch of mercury to micron of mercury = 203199.99764 micron of mercury

9 inch of mercury to micron of mercury = 228599.99734 micron of mercury

10 inch of mercury to micron of mercury = 253999.99705 micron of mercury


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You can do the reverse unit conversion from micron of mercury to inch of mercury, or enter any two units below:

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›› Common pressure conversions

inch of mercury to petabar
inch of mercury to kilogram-force/square meter
inch of mercury to technical atmosphere
inch of mercury to zettabar
inch of mercury to petapascal
inch of mercury to centimeter of water
inch of mercury to inch water
inch of mercury to millimeter mercury
inch of mercury to micropascal
inch of mercury to zeptopascal


›› 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.


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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!