Energy Converter Tool
Convert between energy units: Joule, Calorie, Watt-hour, BTU
How to use: Enter an energy value, select the source unit and target unit. The tool supports common units used in science, nutrition, and engineering.
Input
Enter value and select units to convert
Result
Conversion result and calculation formula
Enter a value to see the result
• 1 kcal = 4.184 kJ (Food energy)
• 1 kWh = 3,600 kJ (Electrical energy consumption)
• 1 BTU = 1,055.06 J (Thermal energy)
• 1 cal = 4.184 J (Base unit)
Practical Applications
Nutrition & Health
- • Calculate food energy (kcal)
- • Track daily calorie intake
- • Plan diet and nutrition
Engineering & Science
- • Calculate electrical energy consumption (kWh)
- • Measure thermal energy (BTU)
- • Scientific research and experiments