›› Convert inch of mercury [0 C] to ton/square foot [long]


inch of mercury
ton/square foot [long]

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ton/square foot [short]

›› More information from the unit converter

How many inch of mercury in 1 ton/square foot [long]? The answer is 31.671432451575.
We assume you are converting between inch of mercury [0 C] and ton/square foot [long].
You can view more details on each measurement unit:
inch of mercury or ton/square foot [long]
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00029529983071445 inch of mercury, or 9.3238545861783E-6 ton/square foot [long].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of mercury and tons/square foot.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch of mercury to ton/square foot [long]

1 inch of mercury to ton/square foot [long] = 0.03157 ton/square foot [long]

10 inch of mercury to ton/square foot [long] = 0.31574 ton/square foot [long]

20 inch of mercury to ton/square foot [long] = 0.63148 ton/square foot [long]

30 inch of mercury to ton/square foot [long] = 0.94723 ton/square foot [long]

40 inch of mercury to ton/square foot [long] = 1.26297 ton/square foot [long]

50 inch of mercury to ton/square foot [long] = 1.57871 ton/square foot [long]

100 inch of mercury to ton/square foot [long] = 3.15742 ton/square foot [long]

200 inch of mercury to ton/square foot [long] = 6.31484 ton/square foot [long]


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›› Common pressure conversions

inch of mercury to pascal
inch of mercury to zeptopascal
inch of mercury to kilopascal
inch of mercury to yoctobar
inch of mercury to dekabar
inch of mercury to inch water
inch of mercury to gigabar
inch of mercury to millimeter water
inch of mercury to millimeter of mercury
inch of mercury to kilopond/square centimeter


›› Definition: Inch of mercury

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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!