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Free Health & Fitness Calculators

Fast, accurate, mobile-first tools for body composition, nutrition and training. No sign-up, works offline.

100% free
No sign-up
Instant results
Works offline

Weight management

TDEE CalculatorTotal Daily Energy Expenditure BMR CalculatorBasal Metabolic Rate Calorie Deficit CalculatorCalorie deficit for weight loss Macro CalculatorProtein, carbs & fat split

Body composition

BMI CalculatorBody Mass Index Body Fat CalculatorUS Navy body fat method Ideal Weight CalculatorDevine, Robinson & Hamwi

Training

One Rep Max Calculator1RM with Epley & Brzycki Heart Rate Zone CalculatorKarvonen training zones

Hydration

Water Intake CalculatorDaily hydration needs