How many newton/square meter in 1 inch mercury?
The answer is 3386.389.
We assume you are converting between newton/square metre and .
You can view more details on each measurement unit:
newton/square meter or inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1 newton/square meter, or 0.00029529980164712 inch mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between newtons/square meter and inches mercury.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from inch mercury to newton/square meter, or enter any two units below:
newton/square meter to decibar
newton/square meter to torr
newton/square meter to kilogram-force/square millimeter
newton/square meter to millipascal
newton/square meter to meganewton/square meter
newton/square meter to inch of water
newton/square meter to technical atmosphere
newton/square meter to femtopascal
newton/square meter to picopascal
newton/square meter to attobar
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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