Health Calculators — 18 free calculators and 2 interactive diaries based on evidence-based medicine formulas.
Calculators:
• BMI, ideal weight, body fat, waist-hip, waist-height
• Water, BMR, TDEE, calories and macros, daily protein, weight-loss-by-date
• 1RM, exercise calories, running pace, heart-rate zones
• Sleep cycles, newborn sleep, pregnancy weight
Diaries:
• Baby sleep diary — profile, sleep marks, age-based stats and tips, sleep timer with notification.
• Period diary — cycle calendar, marks, ovulation and fertile window forecast, next period.
All data stays on your device. No ads, no sign-up, no internet access.
Free health calculators and diaries: BMI, calories, water, sleep and cycle.