Calculators
Calories per day
Work out how many calories to eat per day to lose, keep or gain weight, from your age, height, weight and activity (Mifflin-St Jeor equation).
To lose weight (about 0.5 kg a week)–kcal per day
To keep your weight–kcal per day
To build muscle (small surplus)–kcal per day
An estimate, not medical advice. For personal guidance, talk to a health professional.
Other calculators
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