Energy & Calories Converter
Convert energy units between Joules (J), Calories (cal), Kilocalories (kcal), Watt-hours (Wh), and BTU
준비 중인 도구입니다.
🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
Convert energy metrics. Swap physics, nutrition, and electrical power units including Joules, Calories, kcal, Wh, and BTU.
How to use
- Input an energy value in any of the available input fields.
- View the real-time equivalent calculations across all other units.
- Compare with dietary calorie references or electrical device power usage guides.
FAQ
- What is the relationship between Calories and Joules?
- One calorie (cal) is the energy needed to raise the temperature of 1g of water by 1°C. It is equal to approximately 4.184 Joules (J).