How many nanopascal in 1 millimeter mercury?
The answer is 133322387415.
We assume you are converting between nanopascal and .
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nanopascal or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1000000000 nanopascal, 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 nanopascals and millimeters mercury.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from millimeter mercury to nanopascal, or enter any two units below:
nanopascal to dekapascal
nanopascal to kilopond/square meter
nanopascal to foot mercury
nanopascal to kilopascal
nanopascal to megabar
nanopascal to kip/square inch
nanopascal to dekabar
nanopascal to inch water
nanopascal to yottabar
nanopascal to meganewton/square meter
The SI prefix "nano" represents a factor of 10-9, or in exponential notation, 1E-9.
So 1 nanopascal = 10-9 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.
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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