Health & Wellness Tools — Free Online

Calculate BMI, Corpulence Index, WHR, WHtR, ideal weight, and body fat percentage from your measurements.

Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate using three validated formulas.

Predict your next period, ovulation window, and fertile days. Track your cycle history locally.

Find optimal wake-up or bedtime based on 90-minute REM sleep cycles.

Calculate your daily water recommendation based on weight, activity level, and climate.

Enter your systolic and diastolic readings and get an instant WHO/ACC classification with risk level and recommendations.

Calculate total alcohol units from your drinks, compare to weekly health guidelines, and see time until sober.

Find out how many hours of sleep you need based on age and activity level, and calculate your current sleep debt.

Calculate your fertile window and estimated ovulation date from your last period and average cycle length.