How many technical atmosphere in 1 inch of mercury?
The answer is 0.034531554268447.
We assume you are converting between technical atmosphere and inch of mercury [0 °C].
You can view more details on each measurement unit:
technical atmosphere or inch of mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0197162129779E-5 technical atmosphere, 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 technical atmospheres and inches of mercury.
Type in your own numbers in the form to convert the units!
1 technical atmosphere to inch of mercury = 28.95902 inch of mercury
2 technical atmosphere to inch of mercury = 57.91804 inch of mercury
3 technical atmosphere to inch of mercury = 86.87706 inch of mercury
4 technical atmosphere to inch of mercury = 115.83608 inch of mercury
5 technical atmosphere to inch of mercury = 144.7951 inch of mercury
6 technical atmosphere to inch of mercury = 173.75413 inch of mercury
7 technical atmosphere to inch of mercury = 202.71315 inch of mercury
8 technical atmosphere to inch of mercury = 231.67217 inch of mercury
9 technical atmosphere to inch of mercury = 260.63119 inch of mercury
10 technical atmosphere to inch of mercury = 289.59021 inch of mercury
You can do the reverse unit conversion from inch of mercury to technical atmosphere, or enter any two units below:
technical atmosphere to petapascal
technical atmosphere to sthene/square meter
technical atmosphere to meter of air
technical atmosphere to foot of air
technical atmosphere to millihg
technical atmosphere to nanopascal
technical atmosphere to centimeter mercury
technical atmosphere to hectopascal
technical atmosphere to micrometer of water
technical atmosphere to gigapascal
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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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