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Calorie Calculator

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How to use / Why use this tool / FAQ

How to use

Enter your age, sex, height, and weight. Select your activity level. Your BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy Expenditure) are calculated instantly. Set a weight goal to see your recommended daily intake.

Why use this tool

Understand exactly how many calories your body needs each day. Based on the Mifflin-St Jeor equation — the most accurate formula for most people. Results update instantly as you adjust inputs.

FAQ

What is BMR?
BMR (Basal Metabolic Rate) is the number of calories your body burns at complete rest to maintain basic functions like breathing and circulation.
What is TDEE?
TDEE (Total Daily Energy Expenditure) is your BMR multiplied by an activity factor. It represents the total calories you burn in a day.
How accurate is this calculator?
The Mifflin-St Jeor equation is considered the most accurate standard formula for estimating BMR, with ~10% typical variation from measured values.