Calorie Calculator
Calculate exactly how many calories you need per day based on your age, sex, weight, height and activity level. Uses the Mifflin-St Jeor formula.
How many calories do I need?
Most adults need 1,600–2,800 calories per day. Your exact number depends on your body size, age, sex and how active you are.
FAQ
Is a calorie deficit needed to lose weight?
Yes. To lose weight, consume fewer calories than you burn. A deficit of 300–500 calories per day leads to sustainable fat loss.