How many megapascal in 1 inch of mercury?
The answer is 0.0033863886666667.
We assume you are converting between megapascal and inch of mercury [0 °C].
You can view more details on each measurement unit:
megapascal or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-6 megapascal, or 0.00029529983071445 inch of mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between megapascals and inches of mercury.
Type in your own numbers in the form to convert the units!
1 megapascal to inch of mercury = 295.29983 inch of mercury
2 megapascal to inch of mercury = 590.59966 inch of mercury
3 megapascal to inch of mercury = 885.89949 inch of mercury
4 megapascal to inch of mercury = 1181.19932 inch of mercury
5 megapascal to inch of mercury = 1476.49915 inch of mercury
6 megapascal to inch of mercury = 1771.79898 inch of mercury
7 megapascal to inch of mercury = 2067.09882 inch of mercury
8 megapascal to inch of mercury = 2362.39865 inch of mercury
9 megapascal to inch of mercury = 2657.69848 inch of mercury
10 megapascal to inch of mercury = 2952.99831 inch of mercury
You can do the reverse unit conversion from inch of mercury to megapascal, or enter any two units below:
megapascal to atmosphere
megapascal to dyne/square centimeter
megapascal to hectobar
megapascal to micron of mercury
megapascal to pascal
megapascal to kilogram-force/square millimeter
megapascal to kip/square inch
megapascal to inch mercury
megapascal to water column
megapascal to inch water
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megapascal = 106 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.
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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