2025-03-22 00:00:00 Easily convert energy and calorie units. Intuitive design with quick operation. Supports cal, kcal, J, BTU, and more. A convenient app for instant use.A simple app for converting energy and calorie units effortlessly. Supports the following units: - cal (Calorie) - kcal (Kilocalorie) - BTU (British Thermal Unit)