Understand your health numbers
Work out your BMI, the calories your body burns and the protein you need each day. These are indicative estimates for healthy adults, explained step by step.
Health calculators
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BMI Calculator (Body Mass Index) for Adults
Calculate your body mass index from weight and height and see which WHO category it falls into. Free.
weight and height -
Daily Calorie Calculator (BMR and Maintenance)
Estimate your basal metabolic rate and the calories you need per day to maintain, lose or gain weight. Free.
kcal to maintain your weight -
Daily Protein Calculator by Weight and Activity
Work out how many grams of protein a day you need based on your weight and activity level. Free, no sign-up.
grams per day