Health Check
Body composition and daily targets, from BMI to water intake.
- BMIBody mass index from height and weight, with healthy-range guidance.
- BMRBasal Metabolic Rate — the calories you burn at rest — from age, gender, height and weight, with TDEE by activity level and the Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas.
- Body FatEstimate your body fat percentage with the U.S. Navy circumference method — from height, neck and waist (plus hip for women), with your ACE category and fat and lean mass, in metric or imperial.
- CalorieDaily calorie needs for weight loss, maintenance or muscle gain — with BMR, TDEE, macros, water intake and a personalised plan.
- Water IntakeFind how much water to drink a day from your body weight and activity — your daily target in litres, millilitres and glasses, using 33 ml/kg plus 355 ml per 30 minutes of exercise. General guidance for healthy adults.