Health & Fitness

Calculate your Body Mass Index (BMI) from height and weight, with the WHO weight category.

Estimate your Basal Metabolic Rate (BMR) and daily calorie needs using the Mifflin-St Jeor equation.

Estimate your body fat percentage with the US Navy circumference method using neck, waist, hip and height measurements in centimeters.

Calculate body surface area (BSA) in square meters from height and weight using the simple and accurate Mosteller formula.

Calculate your daily calorie needs (TDEE) with the Mifflin-St Jeor equation and get target calories to lose, maintain, or gain weight.

Calculate your maximum heart rate and the five training zones in beats per minute from your age, for smarter cardio workouts.

Find your ideal body weight in kilograms from your height and sex using the widely used Devine formula, with a healthy reference range.

Estimate your lean body mass (LBM) in kilograms from weight, height, and sex using the Boer formula, plus approximate fat mass.

Convert daily calories into grams of carbohydrate, protein, and fat for balanced, low-carb, or high-protein diet splits.

Calculate your running pace in minutes per kilometer, speed in km/h, and pace per mile from a distance and finish time.

Calculate your waist-to-hip ratio (WHR) and see your health risk category based on World Health Organization thresholds for men and women.

Estimate how much water you should drink each day based on your body weight and daily exercise, shown in litres, milliliters, and cups.