How many millimeter of mercury in 1 inH2O? The answer is 1.8683201548767. We assume you are converting between millimeter of mercury [0 °C] and inch of water [4 °C]. You can view more details on each measurement unit: millimeter of mercury or inH2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0075006156130264 millimeter of mercury, or 0.0040146307866177 inH2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters of mercury and inches of water. Type in your own numbers in the form to convert the units!
1 millimeter of mercury to inH2O = 0.53524 inH2O
5 millimeter of mercury to inH2O = 2.6762 inH2O
10 millimeter of mercury to inH2O = 5.3524 inH2O
20 millimeter of mercury to inH2O = 10.7048 inH2O
30 millimeter of mercury to inH2O = 16.05721 inH2O
40 millimeter of mercury to inH2O = 21.40961 inH2O
50 millimeter of mercury to inH2O = 26.76201 inH2O
75 millimeter of mercury to inH2O = 40.14301 inH2O
100 millimeter of mercury to inH2O = 53.52402 inH2O
You can do the reverse unit conversion from inH2O 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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