To convert kcal to joules, multiply the value that you want to convert by 4184. For example, if you want to convert 12 kcal then after multiplying 12 by 4184, you will get 50208 as a final answer.
One kilocalories value is equal to 4184 joules. You have to multiply the kcal value by 4184. Here is the equation to convert kcal to joules.