How many millimeter of mercury in 1 ft H2O? The answer is 22.419841858521. We assume you are converting between millimeter of mercury [0 °C] and foot water [4 °C]. You can view more details on each measurement unit: millimeter of mercury or ft H2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0075006156130264 millimeter of mercury, or 0.00033455256555148 ft H2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters of mercury and feet water. Type in your own numbers in the form to convert the units!
1 millimeter of mercury to ft H2O = 0.0446 ft H2O
10 millimeter of mercury to ft H2O = 0.44603 ft H2O
20 millimeter of mercury to ft H2O = 0.89207 ft H2O
30 millimeter of mercury to ft H2O = 1.3381 ft H2O
40 millimeter of mercury to ft H2O = 1.78413 ft H2O
50 millimeter of mercury to ft H2O = 2.23017 ft H2O
100 millimeter of mercury to ft H2O = 4.46033 ft H2O
200 millimeter of mercury to ft H2O = 8.92067 ft H2O
You can do the reverse unit conversion from ft H2O to millimeter of mercury, or enter any two units below:
The torr (symbol: Torr) or millimetre of mercury (mmHg) is a non-SI unit of pressure. It is the atmospheric pressure that supports a column of mercury 1 millimetre high. The unit is named after Evangelista Torricelli, Italian physicist and mathematician, for his discovery of the principle of the barometer in 1643.
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