How many newton/square millimeter in 1 in Hg? 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 millimeter or in Hg The SI derived unit for pressure is the pascal. 1 pascal is equal to 1.0E-6 newton/square millimeter, or 0.00029529980164712 in Hg. 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 millimeter to in Hg = 295.2998 in Hg
2 newton/square millimeter to in Hg = 590.5996 in Hg
3 newton/square millimeter to in Hg = 885.8994 in Hg
4 newton/square millimeter to in Hg = 1181.19921 in Hg
5 newton/square millimeter to in Hg = 1476.49901 in Hg
6 newton/square millimeter to in Hg = 1771.79881 in Hg
7 newton/square millimeter to in Hg = 2067.09861 in Hg
8 newton/square millimeter to in Hg = 2362.39841 in Hg
9 newton/square millimeter to in Hg = 2657.69821 in Hg
10 newton/square millimeter to in Hg = 2952.99802 in Hg
You can do the reverse unit conversion from in Hg to newton/square millimeter, 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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