Convert petabar to


petabar
millimeter mercury


More information from the unit converter

How many petabar in 1 millimeter mercury? The answer is 1.33322387415E-18.
We assume you are converting between petabar and .
You can view more details on each measurement unit:
petabar or millimeter mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-20 petabar, 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 petabars and millimeters mercury.
Type in your own numbers in the form to convert the units!



Quick conversion chart of petabar to millimeter mercury

1 petabar to millimeter mercury = 7.5006157584566E+17 millimeter mercury

2 petabar to millimeter mercury = 1.5001231516913E+18 millimeter mercury

3 petabar to millimeter mercury = 2.250184727537E+18 millimeter mercury

4 petabar to millimeter mercury = 3.0002463033826E+18 millimeter mercury

5 petabar to millimeter mercury = 3.7503078792283E+18 millimeter mercury

6 petabar to millimeter mercury = 4.5003694550739E+18 millimeter mercury

7 petabar to millimeter mercury = 5.2504310309196E+18 millimeter mercury

8 petabar to millimeter mercury = 6.0004926067653E+18 millimeter mercury

9 petabar to millimeter mercury = 6.7505541826109E+18 millimeter mercury

10 petabar to millimeter mercury = 7.5006157584566E+18 millimeter mercury



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Common pressure conversions

petabar to atmosphere
petabar to ounce/square inch
petabar to exabar
petabar to picopascal
petabar to pound/square inch
petabar to water column
petabar to centimeter water
petabar to attopascal
petabar to millipascal
petabar to centimeter of mercury


Definition: Petabar

The SI prefix "peta" represents a factor of 1015, or in exponential notation, 1E15.

So 1 petabar = 1015 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.


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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