How many inch mercury in 1 millidecitorr? The answer is 3.9370069416124E-6. We assume you are converting between inch mercury [0 °C] and millidecitorr. You can view more details on each measurement unit: inch mercury or millidecitorr The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529980164712 inch mercury, or 75.006167382113 millidecitorr. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches mercury and millidecitorr. Type in your own numbers in the form to convert the units!
1 inch mercury to millidecitorr = 254000.06015 millidecitorr
2 inch mercury to millidecitorr = 508000.12031 millidecitorr
3 inch mercury to millidecitorr = 762000.18046 millidecitorr
4 inch mercury to millidecitorr = 1016000.24062 millidecitorr
5 inch mercury to millidecitorr = 1270000.30077 millidecitorr
6 inch mercury to millidecitorr = 1524000.36093 millidecitorr
7 inch mercury to millidecitorr = 1778000.42108 millidecitorr
8 inch mercury to millidecitorr = 2032000.48124 millidecitorr
9 inch mercury to millidecitorr = 2286000.54139 millidecitorr
10 inch mercury to millidecitorr = 2540000.60155 millidecitorr
You can do the reverse unit conversion from millidecitorr 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millidecitorr = 10-3 decitorr.
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