How many inch water column in 1 mm of mercury? The answer is 0.53524017143946. We assume you are converting between inch of water column and millimeter of mercury [0 °C]. You can view more details on each measurement unit: inch water column or mm of mercury The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 inch water column, or 0.0075006156130264 mm of 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 of mercury. Type in your own numbers in the form to convert the units!
1 inch water column to mm of mercury = 1.86832 mm of mercury
5 inch water column to mm of mercury = 9.3416 mm of mercury
10 inch water column to mm of mercury = 18.6832 mm of mercury
15 inch water column to mm of mercury = 28.0248 mm of mercury
20 inch water column to mm of mercury = 37.3664 mm of mercury
25 inch water column to mm of mercury = 46.708 mm of mercury
30 inch water column to mm of mercury = 56.0496 mm of mercury
40 inch water column to mm of mercury = 74.73281 mm of mercury
50 inch water column to mm of mercury = 93.41601 mm of mercury
You can do the reverse unit conversion from mm of mercury to inch water column, 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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