Tracking what you eat is the first step to any fitness goal. But most calorie calculators either oversimplify or drown you in ads. I built freetdee.com to be the calculator I actually wanted to use.
What it calculates
TDEE (Total Daily Energy Expenditure) is how many calories you burn in a day. Once you know that number, you can:
- Eat below it to lose weight
- Eat at it to maintain
- Eat above it to build muscle
The calculator uses the Mifflin-St Jeor equation, which is the most accurate formula for estimating basal metabolic rate without lab equipment. Then it multiplies by your activity level to get TDEE.
Beyond just one number
What most calculators do not tell you is the breakdown. freetdee gives you:
- BMR (Basal Metabolic Rate): what your body burns at complete rest
- TDEE at five activity levels from sedentary to athlete
- Macro split: how many grams of protein, carbs, and fat you need
- Calorie deficit planner: how fast you will reach your goal at different deficits
- BMI and protein intake recommendations
Privacy by design
All calculations run in your browser. No data is sent anywhere. No account, no email, no tracking. Your weight and goals stay on your device.
The tool is completely free at freetdee.com. I built it because fitness calculators should be tools, not marketing funnels.
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