Calorie Calculator

Daily calories to maintain, lose or gain weight.

About the Calorie Calculator

Find your daily calorie needs. The calculator estimates your Total Daily Energy Expenditure (TDEE) from your basal metabolic rate and activity level, then shows targets for gradual weight loss or gain.

How to use it

  1. Enter age, sex, height and weight.
  2. Choose your typical activity level.
  3. Pick the calorie target for your goal.

Formula & method

TDEE = BMR (Mifflin-St Jeor) × activity factor 1 kg of body fat ≈ 7,700 kcal

Frequently asked questions

How many calories should I cut to lose weight?

A deficit of about 550 kcal a day leads to roughly 0.5 kg (1 lb) of weight loss per week for most people. Avoid going below about 1,200 kcal (women) or 1,500 kcal (men) without medical supervision.

Results are estimates for general information only and are not financial, tax, legal or medical advice. Please confirm important decisions with a qualified professional.