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Track health metrics, fitness goals, and menstrual cycles.
Calculate your body mass index and see which weight category you fall into.
Calculate your basal metabolic rate — the calories your body needs at complete rest.
Estimate your body fat percentage using the US Navy circumference method.
Calculate your daily calorie needs for weight maintenance, loss, or gain.
Calculate your target daily calories and weekly weight loss based on your calorie deficit.
Estimate your ideal body weight range based on height using multiple formulas.
Calculate how many calories you need daily to maintain your current weight.
Estimate your ovulation date, fertile window, and next period date.
Predict your next period dates and ovulation window based on your cycle history.
Calculate your recommended daily protein intake based on weight and activity level.