How many megapascal in 1 mm Hg? The answer is 0.000133322387415. We assume you are converting between megapascal and millimeter mercury [0 °C]. You can view more details on each measurement unit: megapascal or mm Hg The SI derived unit for pressure is the pascal. 1 pascal is equal to 1.0E-6 megapascal, or 0.0075006157584566 mm Hg. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between megapascals and millimeters mercury. Type in your own numbers in the form to convert the units!
1 megapascal to mm Hg = 7500.61576 mm Hg
2 megapascal to mm Hg = 15001.23152 mm Hg
3 megapascal to mm Hg = 22501.84728 mm Hg
4 megapascal to mm Hg = 30002.46303 mm Hg
5 megapascal to mm Hg = 37503.07879 mm Hg
6 megapascal to mm Hg = 45003.69455 mm Hg
7 megapascal to mm Hg = 52504.31031 mm Hg
8 megapascal to mm Hg = 60004.92607 mm Hg
9 megapascal to mm Hg = 67505.54183 mm Hg
10 megapascal to mm Hg = 75006.15758 mm Hg
You can do the reverse unit conversion from mm Hg to megapascal, or enter any two units below:
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megapascal = 106 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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