Calorie to Kilocalorie Converter

Result: 0.5 kilocalories
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Understanding Calories and Kilocalories

Quick Formula

To convert calories to kilocalories, use this formula:

Kilocalories = Calories ÷ 1,000

What is a Calorie?

A calorie (cal) is a unit of energy defined as the amount of heat needed to raise the temperature of one gram of water by one degree Celsius (from 14.5°C to 15.5°C) at one atmosphere of pressure.

What is a Kilocalorie?

A kilocalorie (kcal) is equal to 1,000 calories. In nutrition, when you see "Calories" (with a capital C) on food labels, it actually refers to kilocalories. This is why 2,000 Calories per day is recommended for an average adult, not 2,000 calories.

Common Uses

Kilocalories are commonly used in:

  • Food nutrition labels
  • Dietary planning
  • Metabolic calculations
  • Exercise and fitness tracking