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Calorie to Kilocalorie Converter

cal
kcal
1. 1 cal × 4.184 = 4.184 J
2. 4.184 J ÷ 4184 = 0.001 kcal

Unit Information

Calorie (cal)

The calorie is a unit of energy commonly used in nutrition. One calorie is the amount of heat needed to raise the temperature of one gram of water by one degree Celsius.

1 cal = 0.001 kcal1 cal = 4.184 J1 cal = 0.003968 BTU

Kilocalorie (kcal)

The kilocalorie is a unit of energy equal to 1000 calories. It is commonly used in nutrition as a measure of food energy, often labeled as "Calorie" (with a capital C) on food packaging.

1 kcal = 1000 cal1 kcal = 4.184 kJ1 kcal = 3.968 BTU

Common Applications

Calorie

  • Scientific measurements
  • Calorimetry
  • Biochemical reactions
  • Nutritional science

Kilocalorie

  • Food nutrition labels
  • Dietary planning
  • Metabolic studies
  • Exercise science

Examples

  • 1000 cal = 1 kcal
  • A teaspoon of sugar contains about 16000 cal = 16 kcal
  • A banana contains about 105000 cal = 105 kcal
  • A chocolate bar with 250000 cal = 250 kcal

Visual Comparison

1 cal = 0.001 kcal
1 kcal