TrainCalc

TrainCalc is a free, science-based fitness platform that helps you calculate key health metrics like BMI, TDEE, macros, body fat, and more — accurately and instantly. Designed for athletes, beginners, and anyone focused on better health, TrainCalc combines

TrainCalc is a free, science-backed fitness calculator platform that helps you understand your body better. Calculate your BMI, TDEE, macros, body fat, and more — all in one clean, ad-free interface. Each calculator includes clear explanations and practical guidance so you can turn numbers into action. Whether you’re aiming to lose weight, build muscle, or simply stay healthy, TrainCalc gives you accurate data to make smarter nutrition and training decisions. Simple, fast, and precise — fitness math made easy.