Health & Fitness
3 free tools
Health and fitness calculators: BMI, daily calorie needs (BMR/TDEE) and daily water intake. Evidence-based formulas, metric and imperial units.
BMI CalculatorFind your Body Mass Index from your height and weight, see which World Health Organization category it falls into and the healthy weight range for your height. Works in kilograms/centimetres or pounds/feet.Calorie CalculatorEstimate how many calories your body burns each day and how many to eat to lose, maintain or gain weight. Uses the Mifflin-St Jeor equation, considered the most accurate for most adults.Water Intake CalculatorEstimate your daily water needs from your body weight, how much you exercise and how hot your climate is. Get a clear target in litres, fluid ounces and glasses.