Calories to Joules Converter

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How to use:

  1. Enter a value in either the Calories or Joules field
  2. Click "Convert" to see the result
  3. Use "Swap" to switch between Calories and Joules

Quick Facts:

  • Formula: 1 calorie = 4.184 joules
  • Common energy references:
    • 1 cal = 4.184 J
    • 100 cal = 418.4 J
    • 1000 cal = 4184 J
    • 1 kcal = 4184 J
  • Practical applications:
    • Apple (100g) ≈ 52 kcal ≈ 217,568 J
    • Running (1 min) ≈ 10 kcal ≈ 41,840 J
    • Chocolate bar ≈ 250 kcal ≈ 1,046,000 J
    • Daily intake ≈ 2000 kcal ≈ 8,368,000 J
  • Used in:
    • Nutrition science
    • Food labeling
    • Exercise science
    • Thermodynamics
  • Additional information:
    • Food calories are actually kilocalories (kcal)
    • Joule is the SI unit of energy
    • Used in scientific calculations
    • Common in international measurements

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