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How many yoctojoule in 1 calorie?
The answer is 4.1858E+24.
We assume you are converting between yoctojoule and calorie [15 °C].
You can view more details on each measurement unit:
yoctojoule or calorie
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+24 yoctojoule, or 0.23890295761862 calorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between yoctojoules and calories.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from calorie to yoctojoule, or enter any two units below:
yoctojoule to terawatthour
yoctojoule to yottawatthour
yoctojoule to celsius heat unit
yoctojoule to gigaelectron volt
yoctojoule to inch ounce
yoctojoule to watthour
yoctojoule to petajoule
yoctojoule to gigajoule
yoctojoule to gallon
yoctojoule to Btu
The SI prefix "yocto" represents a factor of 10-24, or in exponential notation, 1E-24.
So 1 yoctojoule = 10-24 joules.
The definition of a joule is as follows:
The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).
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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