MyCalories Fitness
Free, science-based calculators for calories, macros, and body composition — from a quick daily tracker to clinical-grade DEXA input and AI photo analysis.
Choose how you want to track
Every calculator runs entirely in your browser and uses established, peer-reviewed formulas — pick the level of detail that fits how you train and eat.
Calorie Calculator Tracker
Track Progress & HealthCalculate your daily calorie and macro needs, then log meals and workouts to track weight and progress over time.
Open toolClinical Calorie Calculator Tracker
DEXA & BIA Body Composition TrackingEnter DEXA or BIA scan results to build a clinical-grade calorie and macro plan based on your true lean mass and body fat.
Open toolAI Body Fat Calculator
Estimate Body Fat Percentage From PhotosUpload a photo and let an in-browser AI model estimate your body fat percentage instantly — no measurements required.
Open toolBMI & Body Fat Calculator
Track Your Body Composition ProgressCalculate BMI and body fat percentage with proven formulas, then track how your composition changes over time.
Open tool