›› Convert to millipascal


millimeter mercury
millipascal


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How many millimeter mercury in 1 millipascal? The answer is 7.5006157584566E-6.
We assume you are converting between and millipascal.
You can view more details on each measurement unit:
millimeter mercury or millipascal
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0075006157584566 millimeter mercury, or 1000 millipascal.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters mercury and millipascals.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of millimeter mercury to millipascal

1 millimeter mercury to millipascal = 133322.38742 millipascal

2 millimeter mercury to millipascal = 266644.77483 millipascal

3 millimeter mercury to millipascal = 399967.16225 millipascal

4 millimeter mercury to millipascal = 533289.54966 millipascal

5 millimeter mercury to millipascal = 666611.93708 millipascal

6 millimeter mercury to millipascal = 799934.32449 millipascal

7 millimeter mercury to millipascal = 933256.71191 millipascal

8 millimeter mercury to millipascal = 1066579.09932 millipascal

9 millimeter mercury to millipascal = 1199901.48674 millipascal

10 millimeter mercury to millipascal = 1333223.87415 millipascal



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›› Common pressure conversions

millimeter mercury to kilopond/square centimeter
millimeter mercury to foot of head
millimeter mercury to meganewton/square meter
millimeter mercury to picobar
millimeter mercury to exabar
millimeter mercury to dekapascal
millimeter mercury to pound/square foot
millimeter mercury to ton/square meter
millimeter mercury to micropascal
millimeter mercury to meter of head


›› 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: Millipascal

The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.

So 1 millipascal = 10-3 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.


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