How many gigapascal in 1 inch of mercury?
The answer is 3.3863886666667E-6.
We assume you are converting between gigapascal and inch of mercury [0 °C].
You can view more details on each measurement unit:
gigapascal or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-9 gigapascal, 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 gigapascals and inches of mercury.
Type in your own numbers in the form to convert the units!
1 gigapascal to inch of mercury = 295299.83071 inch of mercury
2 gigapascal to inch of mercury = 590599.66143 inch of mercury
3 gigapascal to inch of mercury = 885899.49214 inch of mercury
4 gigapascal to inch of mercury = 1181199.32286 inch of mercury
5 gigapascal to inch of mercury = 1476499.15357 inch of mercury
6 gigapascal to inch of mercury = 1771798.98429 inch of mercury
7 gigapascal to inch of mercury = 2067098.815 inch of mercury
8 gigapascal to inch of mercury = 2362398.64572 inch of mercury
9 gigapascal to inch of mercury = 2657698.47643 inch of mercury
10 gigapascal to inch of mercury = 2952998.30714 inch of mercury
You can do the reverse unit conversion from inch of mercury to gigapascal, or enter any two units below:
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gigapascal to micron mercury
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gigapascal to meter of air
gigapascal to kip/square foot
gigapascal to foot mercury
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigapascal = 109 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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