Frequently Asked Questions — kcal to kJ
Question: How do you convert kcal to kJ?
Answer: Multiply the number of kilocalories by 4.184. For example, 100 kcal x 4.184 = 418.4 kJ.
Question: How many kJ is 100 kcal?
Answer: 100 x 4.184 = 418.4 kJ. A 100 kcal snack provides 418.4 kJ of energy.
Question: How many kJ is 2,000 kcal?
Answer: 2,000 x 4.184 = 8,368 kJ. This is approximately the recommended daily energy intake for an average adult.
Question: What is 500 kcal in kJ?
Answer: 500 x 4.184 = 2,092 kJ. A 500 kcal meal provides 2,092 kJ of energy.
Question: What is 1 kcal in joules?
Answer: 1 kcal = 4,184 joules = 4.184 kJ. The calorie is defined as the energy needed to raise 1 kg of water by 1 degree Celsius.