How many terapascal in 1 inch mercury?
The answer is 3.386389E-9.
We assume you are converting between terapascal and .
You can view more details on each measurement unit:
terapascal or inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-12 terapascal, or 0.00029529980164712 inch mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between terapascals and inches mercury.
Type in your own numbers in the form to convert the units!
1 terapascal to inch mercury = 295299801.64712 inch mercury
2 terapascal to inch mercury = 590599603.29425 inch mercury
3 terapascal to inch mercury = 885899404.94137 inch mercury
4 terapascal to inch mercury = 1181199206.5885 inch mercury
5 terapascal to inch mercury = 1476499008.2356 inch mercury
6 terapascal to inch mercury = 1771798809.8827 inch mercury
7 terapascal to inch mercury = 2067098611.5299 inch mercury
8 terapascal to inch mercury = 2362398413.177 inch mercury
9 terapascal to inch mercury = 2657698214.8241 inch mercury
10 terapascal to inch mercury = 2952998016.4712 inch mercury
You can do the reverse unit conversion from inch mercury to terapascal, or enter any two units below:
terapascal to inch water column
terapascal to pound/square foot
terapascal to micrometer of water
terapascal to ton/square inch
terapascal to millimeter of water
terapascal to millipascal
terapascal to zeptobar
terapascal to foot mercury
terapascal to megabar
terapascal to water column
The SI prefix "tera" represents a factor of 1012, or in exponential notation, 1E12.
So 1 terapascal = 1012 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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