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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.