Body recomposition, maintenance calories, and weight fluctuation calculators. Browse our free body recomposition tools below — all calculators are instant, accurate, and require no sign-up.
Before & After Body Fat Calculator — Compare estimated body fat change between two time points. Review how fat mass, lean mass, and body-fat percentage shifted over time.
Body Recomposition Calculator — Plan simultaneous fat loss and muscle gain with calorie and protein targets. Estimate body composition changes over 12-24 weeks of recomposition.
Maintenance Calories Calculator — Estimate your maintenance calorie level (TDEE) with multiple methods. Includes NEAT variation ranges and macro planning references.
Seasonal Weight Fluctuation Calculator — Estimate natural weight changes by season. See how winter holidays, summer activity, and seasonal patterns affect your weight throughout the year.
Set Point Weight Calculator — Estimate a plausible defended weight range from weight history and lifestyle factors. Educational set-point and settling-point reference only.