›› Convert to micron mercury [0 °C]


inch mercury
micron mercury


›› More information from the unit converter

How many inch mercury in 1 micron mercury? The answer is 3.937007532212E-5.
We assume you are converting between and micron mercury [0 °C].
You can view more details on each measurement unit:
inch mercury or micron mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529980164712 inch mercury, or 7.5006156130264 micron mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches mercury and microns mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch mercury to micron mercury

1 inch mercury to micron mercury = 25400.00221 micron mercury

2 inch mercury to micron mercury = 50800.00441 micron mercury

3 inch mercury to micron mercury = 76200.00662 micron mercury

4 inch mercury to micron mercury = 101600.00882 micron mercury

5 inch mercury to micron mercury = 127000.01103 micron mercury

6 inch mercury to micron mercury = 152400.01323 micron mercury

7 inch mercury to micron mercury = 177800.01544 micron mercury

8 inch mercury to micron mercury = 203200.01764 micron mercury

9 inch mercury to micron mercury = 228600.01985 micron mercury

10 inch mercury to micron mercury = 254000.02205 micron mercury



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›› Common pressure conversions

inch mercury to inch of mercury
inch mercury to yottabar
inch mercury to millimeter water
inch mercury to kilopascal
inch mercury to centipascal
inch mercury to petabar
inch mercury to micropascal
inch mercury to millitorr
inch mercury to gigabar
inch mercury to micrometer of mercury


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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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