Calories to Joules Converter
Convert calories to joules and joules to calories with our energy unit converter. Calculate energy conversions quickly and accurately for science, nutrition, and engineering applications.
Step 1: Energy Conversion
Understanding Energy Units
1 small calorie (cal) equals 4.184 joules. 1 large calorie (Cal or kcal) equals 4184 joules. Large calories are used in nutrition to represent food energy.
Step 2: Conversion Details
About Energy Conversion
The calorie 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. The joule is the SI unit of energy.
Conversion Results
Conversion Result
Common Energy Conversions
| Calories | Joules | Kilojoules | Kilowatt-hours |
|---|
Energy Unit Relationships
Conversion Formulas
1 calorie (cal) = 4.184 joules (J)
1 Calorie (kcal) = 4184 joules (J)
To convert calories to joules: Multiply the calorie value by 4.184. To convert joules to calories: Divide the joule value by 4.184.
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