Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Health
Lean Body Mass Calculator
Estimate your lean body mass — everything except fat — from height, weight, and sex using the Boer formula. Useful for setting protein, calorie, and medication targets.
Fill in the required fields to see your result.
Fitness
TDEE Calculator
Calculate Total Daily Energy Expenditure (TDEE) by computing BMR via Harris-Benedict equation, then multiplying by an activity factor. Use it as the foundation for evidence-based weight management, sports nutrition, and meal planning.
Fill in the required fields to see your result.
Key differences
| Lean Body Mass Calculator | TDEE Calculator | |
|---|---|---|
| Category | Health | Fitness |
| Inputs required | 3 | 5 |
| Result | Lean Body Mass (kg) | Total Daily Energy Expenditure (calories) |
| What it does | Estimate your lean body mass — everything except fat — from height, weight, and sex using the Boer formula. Useful for setting protein, calorie, and medication targets. | Calculate Total Daily Energy Expenditure (TDEE) by computing BMR via Harris-Benedict equation, then multiplying by an activity factor. Use it as the foundation for evidence-based weight management, sports nutrition, and meal planning. |