Daily calorie needs depend on your body size, age, sex, and activity level. This calculator estimates resting metabolism and total daily energy needs.
How to use this calculator
- Enter your weight and height.
- Enter your age.
- Select your sex.
- Select your typical activity level.
- Review your basal metabolic rate and estimated daily calories.
Formula
Basal metabolic rate uses the Mifflin-St Jeor equation. Daily calories equal BMR multiplied by an activity factor based on exercise frequency and intensity.
Example
A 30-year-old male at 70 kg and 175 cm with moderate activity has a BMR of about 1,678 calories and estimated daily needs of about 2,600 calories.
Frequently asked questions
- What is basal metabolic rate?
- BMR is the calories your body burns at rest to maintain basic functions like breathing and circulation.
- Is this a weight loss plan?
- This is an estimate of maintenance calories. For weight loss or gain, adjust intake based on guidance from a healthcare professional.