How many inch mercury in 1 milliounce/square inch? The answer is 0.00012725127857432. We assume you are converting between inch mercury [0 °C] and milliounce/square inch. You can view more details on each measurement unit: inch mercury or milliounce/square inch The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529980164712 inch mercury, or 2.3206038081155 milliounce/square inch. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches mercury and milliounces/square inch. Type in your own numbers in the form to convert the units!
1 inch mercury to milliounce/square inch = 7858.46721 milliounce/square inch
2 inch mercury to milliounce/square inch = 15716.93442 milliounce/square inch
3 inch mercury to milliounce/square inch = 23575.40163 milliounce/square inch
4 inch mercury to milliounce/square inch = 31433.86884 milliounce/square inch
5 inch mercury to milliounce/square inch = 39292.33605 milliounce/square inch
6 inch mercury to milliounce/square inch = 47150.80325 milliounce/square inch
7 inch mercury to milliounce/square inch = 55009.27046 milliounce/square inch
8 inch mercury to milliounce/square inch = 62867.73767 milliounce/square inch
9 inch mercury to milliounce/square inch = 70726.20488 milliounce/square inch
10 inch mercury to milliounce/square inch = 78584.67209 milliounce/square inch
You can do the reverse unit conversion from milliounce/square inch to inch mercury, 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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