# A fast-food item contains 544 nutritional calories. How do you convert this energy to joules?

##### 1 Answer

Jun 11, 2016

By using the conversion factor of 4.184 Joules per calorie.

#### Explanation:

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*