How many inch water column in 1 millimeter mercury?
The answer is 0.53524016106163.
We assume you are converting between inch of water column and .
You can view more details on each measurement unit:
inch water column or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, 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 inches water column and millimeters mercury.
Type in your own numbers in the form to convert the units!
1 inch water column to millimeter mercury = 1.86832 millimeter mercury
5 inch water column to millimeter mercury = 9.3416 millimeter mercury
10 inch water column to millimeter mercury = 18.6832 millimeter mercury
15 inch water column to millimeter mercury = 28.0248 millimeter mercury
20 inch water column to millimeter mercury = 37.3664 millimeter mercury
25 inch water column to millimeter mercury = 46.708 millimeter mercury
30 inch water column to millimeter mercury = 56.04961 millimeter mercury
40 inch water column to millimeter mercury = 74.73281 millimeter mercury
50 inch water column to millimeter mercury = 93.41601 millimeter mercury
You can do the reverse unit conversion from millimeter mercury to inch water column, or enter any two units below:
inch water column to sthene/square meter
inch water column to hectobar
inch water column to picobar
inch water column to newton/square millimeter
inch water column to meter of air
inch water column to inch mercury
inch water column to decipascal
inch water column to centipascal
inch water column to kilogram/square centimeter
inch water column to centibar
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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