This study aimed to create a new model to compute the number of calories expended during activities like swimming, cycling, running, and walking. We used vast data based on various criteria, including Vigor, activity duration, body heat, and heart rate. Our model estimates calorie burns accurately by using machine learning. Our model can be used for tracking personal exercise, controlling obesity, and improving sports performance by estimating calorie burn across different physical activities using the Mifflin St. Jeor equation. I am building a Kaggle dataset with crucial variables like heart rate, body temperature, and activity duration.