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How many hartree in 1 calorie?
The answer is 9.6010131961291E+17.
We assume you are converting between hartree and calorie [15 °C].
You can view more details on each measurement unit:
hartree or calorie
The SI derived unit for energy is the joule.
1 joule is equal to 2.2937104486906E+17 hartree, or 0.23890295761862 calorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between hartrees and calories.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from calorie to hartree, or enter any two units below:
hartree to gram calorie
hartree to petajoule
hartree to decijoule
hartree to picojoule
hartree to megalerg
hartree to horsepower hour
hartree to zettawatthour
hartree to kilogram-force meter
hartree to hundred cubic foot of natural gas
hartree to kiloton
The Hartree energy (symbol Eh) is a physical constant used as atomic unit of energy, named after physicist Douglas Hartree.
15 °C calorie: the amount of energy required to warm 1 g of air-free water from 14.5 °C to 15.5 °C at a constant pressure of 101.325 kPa (1 atm). Experimental values of this calorie ranged from 4.1852 J to 4.1858 J. The CIPM in 1950 published a mean experimental value of 4.1855 J, noting an uncertainty of 0.0005 J.
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