Energy Converter
unit-converter
Convert between joules, calories, kWh, BTU, and more. For physics, nutrition, and utilities. All Unit Conversions panel included.
Convert Energy
Formula will appear here
Common Conversions
All Unit Conversions
1. How to Use
- Enter a value and select source unit (e.g., joules, kWh). Select target unit.
- Result updates in real time. Use swap button to switch units. Copy result with one click.
2. How It Works
1 calorie = 4.184 joules. 1 kcal = 4,184 J.
1 kWh = 3,600,000 J. 1 BTU ≈ 1,055 J. Joule is the SI unit for energy.
3. About Energy Converter
Free online energy converter for joules, kilojoules, calories, kilocalories, kilowatt-hours, watt-hours, BTU, therm, foot-pounds, and electronvolts. For physics, nutrition, and utilities. All calculations run in your browser.
4. Advantages
- Real-time conversion as you type.
- SI and imperial units supported.
- All Unit Conversions panel shows value in every unit.
- Common conversions for quick access.
5. Real-World Use Cases
- Physics: Energy in joules for calculations.
- Nutrition: Food energy in calories or kilocalories.
- Utilities: Electricity consumption in kWh.