How many ft of mercury in 1 millimeter mercury?
The answer is 0.003280839869508.

We assume you are converting between **foot of mercury [0 °C]** and .

You can view more details on each measurement unit:

ft of mercury or
millimeter mercury

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

1 pascal is equal to 2.4608319226204E-5 ft of mercury, or 0.0075006157584566 millimeter mercury.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between feet of mercury and millimeters mercury.

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

1 ft of mercury to millimeter mercury = 304.8 millimeter mercury

2 ft of mercury to millimeter mercury = 609.6 millimeter mercury

3 ft of mercury to millimeter mercury = 914.40001 millimeter mercury

4 ft of mercury to millimeter mercury = 1219.20001 millimeter mercury

5 ft of mercury to millimeter mercury = 1524.00001 millimeter mercury

6 ft of mercury to millimeter mercury = 1828.80001 millimeter mercury

7 ft of mercury to millimeter mercury = 2133.60002 millimeter mercury

8 ft of mercury to millimeter mercury = 2438.40002 millimeter mercury

9 ft of mercury to millimeter mercury = 2743.20002 millimeter mercury

10 ft of mercury to millimeter mercury = 3048.00002 millimeter mercury

You can do the reverse unit conversion from millimeter mercury to ft of mercury, or enter any two units below:

ft of mercury to sthene/square meter

ft of mercury to dekabar

ft of mercury to zeptobar

ft of mercury to newton/square meter

ft of mercury to picobar

ft of mercury to pound/square foot

ft of mercury to inch of water

ft of mercury to foot of air

ft of mercury to megabar

ft of mercury to attopascal

The millimeter of mercury by definition is 133.322387415 Pa (13.5951 g/cm3 × 9.80665 m/s2 × 1 mm), which is approximated with known accuracies of density of mercury and standard gravity.

The torr is defined as 1/760 of one standard atmosphere, while the atmosphere is defined as 101325 pascals. Therefore, 1 Torr is equal to

101325/760 Pa. The decimal form of this fraction is approximately 133.322368421.

The relationship between the torr and the millimeter of mercury is:

1 Torr = 0.999999857533699 mmHg

1 mmHg = 1.000000142466321 Torr

The difference between one millimeter of mercury and one torr, as well as between one atmosphere (101.325 kPa) and 760 mmHg (101.3250144354 kPa), is less than one part in seven million (or less than 0.000015%). This small difference is negligible for most applications outside metrology.

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