›› Convert foot water [4 C] to


foot water
millimeter mercury

›› More information from the unit converter

How many foot water in 1 millimeter mercury? The answer is 0.044603346755136.
We assume you are converting between foot water [4 C] and .
You can view more details on each measurement unit:
foot water or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00033455256555148 foot water, 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 water and millimeters mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of foot water to millimeter mercury

1 foot water to millimeter mercury = 22.41984 millimeter mercury

2 foot water to millimeter mercury = 44.83968 millimeter mercury

3 foot water to millimeter mercury = 67.25953 millimeter mercury

4 foot water to millimeter mercury = 89.67937 millimeter mercury

5 foot water to millimeter mercury = 112.09921 millimeter mercury

6 foot water to millimeter mercury = 134.51905 millimeter mercury

7 foot water to millimeter mercury = 156.9389 millimeter mercury

8 foot water to millimeter mercury = 179.35874 millimeter mercury

9 foot water to millimeter mercury = 201.77858 millimeter mercury

10 foot water to millimeter mercury = 224.19842 millimeter mercury


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›› Common pressure conversions

foot water to zeptobar
foot water to kip/square inch
foot water to exabar
foot water to ton/square meter
foot water to petapascal
foot water to inch of air
foot water to petabar
foot water to micrometer of mercury
foot water to foot of head
foot water to attobar


›› Definition: Millimeter mercury

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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