A fast-food item contains 544 nutritional calories. How do you convert this energy to joules?
By using the conversion factor of 4.184 Joules per calorie.
It is important to realize that when the term 'nutritional calorie' is used, they mean kilocalorie (=
It is known that 1 calorie is approximately
This means that 1 kilocalorie =
Your fast-food item contains 544 kilocalories which compares to:
Note that the exact conversion factor for calories to Joules depends on temperature and atmospheric pressure