How many newton/square millimetre in 1 inches mercury? The answer is 0.003386389. We assume you are converting between newton/square millimetre and inch mercury [0 °C]. You can view more details on each measurement unit: newton/square millimetre or inches mercury The SI derived unit for pressure is the pascal. 1 pascal is equal to 1.0E-6 newton/square millimetre, or 0.00029529980164712 inches 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 mercury. Type in your own numbers in the form to convert the units!
1 newton/square millimetre to inches mercury = 295.2998 inches mercury
2 newton/square millimetre to inches mercury = 590.5996 inches mercury
3 newton/square millimetre to inches mercury = 885.8994 inches mercury
4 newton/square millimetre to inches mercury = 1181.19921 inches mercury
5 newton/square millimetre to inches mercury = 1476.49901 inches mercury
6 newton/square millimetre to inches mercury = 1771.79881 inches mercury
7 newton/square millimetre to inches mercury = 2067.09861 inches mercury
8 newton/square millimetre to inches mercury = 2362.39841 inches mercury
9 newton/square millimetre to inches mercury = 2657.69821 inches mercury
10 newton/square millimetre to inches mercury = 2952.99802 inches mercury
You can do the reverse unit conversion from inches mercury to newton/square millimetre, or enter any two units below:
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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