›› Convert centimeter water [4 C] to


centimeter water
millimeter mercury


›› More information from the unit converter

How many centimeter water in 1 millimeter mercury? The answer is 1.35951.
We assume you are converting between centimeter water [4 C] and .
You can view more details on each measurement unit:
centimeter water or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.010197162129779 centimeter 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 centimeters water and millimeters mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of centimeter water to millimeter mercury

1 centimeter water to millimeter mercury = 0.73556 millimeter mercury

5 centimeter water to millimeter mercury = 3.6778 millimeter mercury

10 centimeter water to millimeter mercury = 7.35559 millimeter mercury

20 centimeter water to millimeter mercury = 14.71118 millimeter mercury

30 centimeter water to millimeter mercury = 22.06677 millimeter mercury

40 centimeter water to millimeter mercury = 29.42237 millimeter mercury

50 centimeter water to millimeter mercury = 36.77796 millimeter mercury

75 centimeter water to millimeter mercury = 55.16694 millimeter mercury

100 centimeter water to millimeter mercury = 73.55591 millimeter mercury


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

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›› Common pressure conversions

centimeter water to water column
centimeter water to picobar
centimeter water to gigabar
centimeter water to ton/square inch
centimeter water to bar
centimeter water to poundal/square foot
centimeter water to kip/square inch
centimeter water to ton/square meter
centimeter water to centibar
centimeter water to attopascal


›› 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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