How many inch water [4 °C] in 1 mm of mercury? The answer is 0.53524017143946. We assume you are converting between inch water [4 °C] and millimeter of mercury [0 °C]. You can view more details on each measurement unit: inch water [4 °C] or mm of mercury The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 inch water [4 °C], 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 and millimeters of mercury. Type in your own numbers in the form to convert the units!
1 inch water [4 °C] to mm of mercury = 1.86832 mm of mercury
5 inch water [4 °C] to mm of mercury = 9.3416 mm of mercury
10 inch water [4 °C] to mm of mercury = 18.6832 mm of mercury
15 inch water [4 °C] to mm of mercury = 28.0248 mm of mercury
20 inch water [4 °C] to mm of mercury = 37.3664 mm of mercury
25 inch water [4 °C] to mm of mercury = 46.708 mm of mercury
30 inch water [4 °C] to mm of mercury = 56.0496 mm of mercury
40 inch water [4 °C] to mm of mercury = 74.73281 mm of mercury
50 inch water [4 °C] to mm of mercury = 93.41601 mm of mercury
You can do the reverse unit conversion from mm of mercury to inch water [4 °C], 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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