›› Convert newton/square millimetre to inch of mercury [0 °C]


newton/square millimetre
inch of mercury


›› More information from the unit converter

How many newton/square millimetre in 1 inch of mercury? The answer is 0.0033863886666667.
We assume you are converting between newton/square millimetre and inch of mercury [0 °C].
You can view more details on each measurement unit:
newton/square millimetre or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-6 newton/square millimetre, 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 newtons/square millimeter and inches of mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of newton/square millimetre to inch of mercury

1 newton/square millimetre to inch of mercury = 295.29983 inch of mercury

2 newton/square millimetre to inch of mercury = 590.59966 inch of mercury

3 newton/square millimetre to inch of mercury = 885.89949 inch of mercury

4 newton/square millimetre to inch of mercury = 1181.19932 inch of mercury

5 newton/square millimetre to inch of mercury = 1476.49915 inch of mercury

6 newton/square millimetre to inch of mercury = 1771.79898 inch of mercury

7 newton/square millimetre to inch of mercury = 2067.09882 inch of mercury

8 newton/square millimetre to inch of mercury = 2362.39865 inch of mercury

9 newton/square millimetre to inch of mercury = 2657.69848 inch of mercury

10 newton/square millimetre to inch of mercury = 2952.99831 inch of mercury



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›› Common pressure conversions

newton/square millimetre to gram/square centimeter
newton/square millimetre to decitorr
newton/square millimetre to sthene/square meter
newton/square millimetre to millibar
newton/square millimetre to pound/square foot
newton/square millimetre to gigapascal
newton/square millimetre to decipascal
newton/square millimetre to newton/square meter
newton/square millimetre to attobar
newton/square millimetre to megapascal


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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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