## ››Convert inch of air [15 °C] to

 inch of air [15 °C] millimeter mercury

 Did you mean to convert inch of air [0 °C] inch of air [15 °C] to millimeter mercury

How many inch of air [15 °C] in 1 millimeter mercury? The answer is 436.84888273415.
We assume you are converting between inch of air [15 °C] and .
You can view more details on each measurement unit:
inch of air [15 °C] or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 3.2766356138999 inch of air [15 °C], or 0.0075006157584566 millimeter mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches of air and millimeters mercury.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of inch of air [15 °C] to millimeter mercury

1 inch of air [15 °C] to millimeter mercury = 0.00229 millimeter mercury

10 inch of air [15 °C] to millimeter mercury = 0.02289 millimeter mercury

50 inch of air [15 °C] to millimeter mercury = 0.11446 millimeter mercury

100 inch of air [15 °C] to millimeter mercury = 0.22891 millimeter mercury

200 inch of air [15 °C] to millimeter mercury = 0.45782 millimeter mercury

500 inch of air [15 °C] to millimeter mercury = 1.14456 millimeter mercury

1000 inch of air [15 °C] to millimeter mercury = 2.28912 millimeter mercury

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You can do the reverse unit conversion from millimeter mercury to inch of air [15 °C], or enter any two units below:

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## ››Definition: Millimeter mercury

The millimeter of mercury by definition is 133.322387415 Pa (13.5951 g/cm3 × 9.80665 m/s2 × 1 mm), which is approximated with known accuracies of density of mercury and standard gravity.

The torr is defined as 1/760 of one standard atmosphere, while the atmosphere is defined as 101325 pascals. Therefore, 1 Torr is equal to
101325/760 Pa. The decimal form of this fraction is approximately 133.322368421.

The relationship between the torr and the millimeter of mercury is:

1 Torr = 0.999999857533699 mmHg
1 mmHg = 1.000000142466321 Torr

The difference between one millimeter of mercury and one torr, as well as between one atmosphere (101.325 kPa) and 760 mmHg (101.3250144354 kPa), is less than one part in seven million (or less than 0.000015%). This small difference is negligible for most applications outside metrology.

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