How many inch of mercury in 1 millipoundal/square foot? The answer is 4.3945454774536E-7. We assume you are converting between inch of mercury [0 °C] and millipoundal/square foot. You can view more details on each measurement unit: inch of mercury or millipoundal/square foot The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529983071445 inch of mercury, or 671.968994813 millipoundal/square foot. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches of mercury and millipoundals/square foot. Type in your own numbers in the form to convert the units!
1 inch of mercury to millipoundal/square foot = 2275548.18839 millipoundal/square foot
2 inch of mercury to millipoundal/square foot = 4551096.37677 millipoundal/square foot
3 inch of mercury to millipoundal/square foot = 6826644.56516 millipoundal/square foot
4 inch of mercury to millipoundal/square foot = 9102192.75354 millipoundal/square foot
5 inch of mercury to millipoundal/square foot = 11377740.94193 millipoundal/square foot
6 inch of mercury to millipoundal/square foot = 13653289.13032 millipoundal/square foot
7 inch of mercury to millipoundal/square foot = 15928837.3187 millipoundal/square foot
8 inch of mercury to millipoundal/square foot = 18204385.50709 millipoundal/square foot
9 inch of mercury to millipoundal/square foot = 20479933.69548 millipoundal/square foot
10 inch of mercury to millipoundal/square foot = 22755481.88386 millipoundal/square foot
You can do the reverse unit conversion from millipoundal/square foot to inch of 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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