Energy
Calories to Kilocalories
Convert calories to kilocalories instantly.
About this conversion
A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J. Kilocalories (kcal) — commonly called "calories" — are used on food labels and in dietary calculations. 1,000 calories equal 1 Kilocalories. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the calories field and instantly see the result in kilocalories. Click the swap button to reverse the conversion.
Manual calculation
1 calories = 0.001 kilocalories. Example: 10 cal = 0.01 kcal.
Frequently asked questions
How do you convert calories to kilocalories?
Divide the number of calories by 1,000 to get kilocalories. Example: 1,000 cal ÷ 1,000 = 1 kcal.
Are calories bigger or smaller than kilocalories?
Calories is smaller than Kilocalories. There are 1,000 calories in one kilocalorie, so the result is a smaller number when converting from calories to kilocalories.
What is 100 calories in kilocalories?
100 cal equals 0.1 kcal.
How many calories are in 1 kilocalorie?
1 kcal equals 1,000 cal. This is the reverse conversion — useful if you have a value in kilocalories and want it in calories.
What is calorie?
A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J.
What is kilocalorie used for?
Kilocalories (kcal) — commonly called "calories" — are used on food labels and in dietary calculations.