›› Convert to dekabar


millimeter mercury
dekabar

›› More information from the unit converter

How many millimeter mercury in 1 dekabar? The answer is 7500.6157584566.
We assume you are converting between and dekabar.
You can view more details on each measurement unit:
millimeter mercury or dekabar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0075006157584566 millimeter mercury, or 1.0E-6 dekabar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters mercury and dekabars.
Type in your own numbers in the form to convert the units!




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›› Common pressure conversions

millimeter mercury to hectobar
millimeter mercury to millipascal
millimeter mercury to poundal/square foot
millimeter mercury to attobar
millimeter mercury to megabar
millimeter mercury to micron mercury
millimeter mercury to exabar
millimeter mercury to foot of mercury
millimeter mercury to centitorr
millimeter mercury to hectopascal


›› 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.


›› Definition: Dekabar

The SI prefix "deka" represents a factor of 101, or in exponential notation, 1E1.

So 1 dekabar = 101 bars.

The definition of a bar is as follows:

The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). The word bar is of Greek origin, báros meaning weight. Its official symbol is "bar"; the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars.


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