More information from the unit converter
How many mm Hg in 1 centimeter of water? The answer is 0.73555913527668. We assume you are converting between and centimeter of water [4 °C]. You can view more details on each measurement unit: mm Hg or centimeter of water The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0075006157584566 mm Hg, or 0.010197162129779 centimeter of water. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters mercury and centimeters of water. Type in your own numbers in the form to convert the units!
Quick conversion chart of mm Hg to centimeter of water
1 mm Hg to centimeter of water = 1.35951 centimeter of water
5 mm Hg to centimeter of water = 6.79755 centimeter of water
10 mm Hg to centimeter of water = 13.5951 centimeter of water
15 mm Hg to centimeter of water = 20.39265 centimeter of water
20 mm Hg to centimeter of water = 27.1902 centimeter of water
25 mm Hg to centimeter of water = 33.98775 centimeter of water
30 mm Hg to centimeter of water = 40.7853 centimeter of water
40 mm Hg to centimeter of water = 54.3804 centimeter of water
50 mm Hg to centimeter of water = 67.9755 centimeter of water
Want other units?
You can do the reverse unit conversion from centimeter of water to mm Hg, or enter any two units below:
Common pressure conversions
mm Hg to nanopascal mm Hg to millitorr mm Hg to megapascal mm Hg to micron mercury mm Hg to decitorr mm Hg to foot of water mm Hg to micron of mercury mm Hg to dekapascal mm Hg to millibar mm Hg to megabar
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.
Metric conversions and more
[BLOGURL] 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!
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