How many inch mercury in 1 millipascal? The answer is 2.9529980164712E-7. We assume you are converting between inch mercury [0 °C] and millipascal. You can view more details on each measurement unit: inch mercury or millipascal The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529980164712 inch mercury, or 1000 millipascal. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches mercury and millipascals. Type in your own numbers in the form to convert the units!
1 inch mercury to millipascal = 3386389 millipascal
2 inch mercury to millipascal = 6772778 millipascal
3 inch mercury to millipascal = 10159167 millipascal
4 inch mercury to millipascal = 13545556 millipascal
5 inch mercury to millipascal = 16931945 millipascal
6 inch mercury to millipascal = 20318334 millipascal
7 inch mercury to millipascal = 23704723 millipascal
8 inch mercury to millipascal = 27091112 millipascal
9 inch mercury to millipascal = 30477501 millipascal
10 inch mercury to millipascal = 33863890 millipascal
You can do the reverse unit conversion from millipascal 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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 millipascal = 10-3 pascals.
The definition of a pascal is as follows:
The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.
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