How many inch mercury in 1 ton/square? The answer is 0.31671429285887. We assume you are converting between inch mercury [0 °C] and ton-force [long]/square. You can view more details on each measurement unit: inch mercury or ton/square The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00029529980164712 inch mercury, or 0.00093238546003579 ton/square. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches mercury and tons-force/square. Type in your own numbers in the form to convert the units!
1 inch mercury to ton/square = 3.15742 ton/square
5 inch mercury to ton/square = 15.7871 ton/square
10 inch mercury to ton/square = 31.5742 ton/square
15 inch mercury to ton/square = 47.3613 ton/square
20 inch mercury to ton/square = 63.1484 ton/square
25 inch mercury to ton/square = 78.9355 ton/square
30 inch mercury to ton/square = 94.7226 ton/square
40 inch mercury to ton/square = 126.29679 ton/square
50 inch mercury to ton/square = 157.87099 ton/square
You can do the reverse unit conversion from ton/square 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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.
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