How many mm Hg in 1 torr?
The answer is 0.999999849988.

We assume you are converting between **millimeter mercury [0 °C]** and **torr**.

You can view more details on each measurement unit:

mm Hg or
torr

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.00750061561303 mm Hg, or 0.00750061673821 torr.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between millimeters mercury and torrs.

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You can do the reverse unit conversion from torr to mm Hg, or enter any two units below:

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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.

The torr is a non-SI unit of pressure, named after Evangelista Torricelli. Its symbol is Torr.

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