Calculation Tools

Calculate your waist-to-hip ratio from waist and hip measurements. See your low, moderate, or high health risk category using WHO reference thresholds by sex.

Estimate lean body mass from height, weight, sex, and circumference measurements. View estimated fat mass, body fat percentage, and protein guidance based on LBM.

Calculate body fat percentage, estimated fat mass, and lean mass from height, weight, sex, and circumference measurements.

Estimate daily calories from age, sex, height, weight, and activity level. Get calorie, macro, and hydration guidance for weight loss, maintenance, or gain.

Estimate ideal weight from height, sex, and body type. Compare healthy ranges across formulas and see the gap from your current weight.

Calculate BMR from age, sex, height, and weight. Estimate daily calorie needs and targets for weight loss or gain.

Calculate BMI from height and weight. See your healthy weight range, ideal weight target, and basal metabolic rate estimate. Free and easy to use.

Estimate daily fat needs from weight, activity, and goal. Grams, calories, meal split, fat type guidance, and healthy fat sources.

Estimate daily carbs from age, sex, height, weight, activity, and goal. Grams, calorie share, meal split, and food equivalents.

Estimate daily protein from weight, activity, and goal. View grams, calories, and protein per kg recommendations.

Estimate daily vitamin requirements from age, sex, height, weight, and special conditions. Deficiency risk, portion guide, and personalized tips for 13 vitamins.

Estimate daily antioxidant needs from age, sex, activity, special conditions, and stress. Vitamin C, E, beta-carotene, selenium, and more.

Estimate daily water needs from sex, weight, activity, temperature, and special conditions. Liters, glasses, and hourly intake guidance.