How many femtojoule in 1 kilogram calorie?
The answer is 4.1858E+18.
We assume you are converting between femtojoule and kilogram calorie.
You can view more details on each measurement unit:
femtojoule or kilogram calorie
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+15 femtojoule, or 0.00023890295761862 kilogram calorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between femtojoules and kilogram calories.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from kilogram calorie to femtojoule, or enter any two units below:
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femtojoule to picojoule
femtojoule to zettawatthour
femtojoule to newton meter
femtojoule to watthour
femtojoule to decajoule
The SI prefix "femto" represents a factor of 10-15, or in exponential notation, 1E-15.
So 1 femtojoule = 10-15 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).
The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.185 kJ, and exactly 1000 small calories.
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