Cal to Kcal - Calories to Kilocalories Converter

Understanding Calories and Kilocalories

A calorie (cal) is a unit of energy, while a kilocalorie (kcal) is equal to 1,000 calories. In nutrition and food science, when people refer to "calories," they are actually talking about kilocalories. This can sometimes lead to confusion, which is why understanding the conversion between these units is important.

Conversion Table

Calories (cal) Kilocalories (kcal)
1,000 1
2,000 2
5,000 5
10,000 10

How to Convert Calories to Kilocalories

To convert calories to kilocalories, divide the number of calories by 1,000:

Formula: kcal = cal ÷ 1,000

Example Calculation

Let's convert 2,500 calories to kilocalories:

2,500 cal ÷ 1,000 = 2.5 kcal

Common Uses

Understanding the relationship between calories and kilocalories is particularly important in:

Important Notes

When reading food labels: