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How many microjoule in 1 calorie?
The answer is 4185800.
We assume you are converting between microjoule and calorie [15 °C].
You can view more details on each measurement unit:
microjoule or calorie
The SI derived unit for energy is the joule.
1 joule is equal to 1000000 microjoule, or 0.23890295761862 calorie.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between microjoules and calories.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from calorie to microjoule, or enter any two units below:
microjoule to gigawatt-hour
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microjoule to decajoule
microjoule to therm
microjoule to gigacalorie
The SI prefix "micro" represents a factor of 10-6, or in exponential notation, 1E-6.
So 1 microjoule = 10-6 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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