How many ton/square meter in 1 inch of mercury?
The answer is 0.34531554268447.

We assume you are converting between **ton/square metre** and **inch of mercury [0 °C]**.

You can view more details on each measurement unit:

ton/square meter or
inch of mercury

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.00010197162129779 ton/square meter, 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 tons/square meter and inches of mercury.

Type in your own numbers in the form to convert the units!

1 ton/square meter to inch of mercury = 2.8959 inch of mercury

5 ton/square meter to inch of mercury = 14.47951 inch of mercury

10 ton/square meter to inch of mercury = 28.95902 inch of mercury

15 ton/square meter to inch of mercury = 43.43853 inch of mercury

20 ton/square meter to inch of mercury = 57.91804 inch of mercury

25 ton/square meter to inch of mercury = 72.39755 inch of mercury

30 ton/square meter to inch of mercury = 86.87706 inch of mercury

40 ton/square meter to inch of mercury = 115.83608 inch of mercury

50 ton/square meter to inch of mercury = 144.7951 inch of mercury

You can do the reverse unit conversion from inch of mercury to ton/square meter, or enter any two units below:

ton/square meter to atmosphere

ton/square meter to water column

ton/square meter to pascal

ton/square meter to terabar

ton/square meter to newton/square millimeter

ton/square meter to hectobar

ton/square meter to attopascal

ton/square meter to bar

ton/square meter to nanopascal

ton/square meter to yoctopascal

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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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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