How many newton/square inch in 1 inch of mercury? The answer is 2.1847625121867. We assume you are converting between newton/square inch and inch of mercury [0 °C]. You can view more details on each measurement unit: newton/square inch or inch of mercury The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00064516 newton/square inch, 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 inch and inches of mercury. Type in your own numbers in the form to convert the units!
1 newton/square inch to inch of mercury = 0.45772 inch of mercury
5 newton/square inch to inch of mercury = 2.28858 inch of mercury
10 newton/square inch to inch of mercury = 4.57716 inch of mercury
20 newton/square inch to inch of mercury = 9.15431 inch of mercury
30 newton/square inch to inch of mercury = 13.73147 inch of mercury
40 newton/square inch to inch of mercury = 18.30863 inch of mercury
50 newton/square inch to inch of mercury = 22.88578 inch of mercury
75 newton/square inch to inch of mercury = 34.32867 inch of mercury
100 newton/square inch to inch of mercury = 45.77157 inch of mercury
You can do the reverse unit conversion from inch of mercury to newton/square inch, 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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