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Both calculators run independently — change the inputs on either side to compare results.
TDEE Calculator
Convert your basal metabolic rate (BMR) into total daily energy expenditure (TDEE) by multiplying by an activity factor. The single number to eat at for maintenance, to subtract from for fat loss, or to add to for muscle gain.
BMR / TDEE Calculator
Estimate your daily calorie needs using the revised Harris-Benedict equation, then adjust for activity to get your Total Daily Energy Expenditure (TDEE) — the rough number of calories you burn in 24 hours when you eat a maintenance diet. Enter your weight in kilograms, height in centimetres, age, biological sex, and an activity multiplier (sedentary 1.2, lightly active 1.375, moderately active 1.55, very active 1.725, extremely active 1.9). The result is what most nutrition guides call your "maintenance calories" — a starting point for designing a deficit (to lose weight), a surplus (to gain muscle), or a recomposition plan.
Key differences
| TDEE Calculator | BMR / TDEE Calculator | |
|---|---|---|
| Category | Nutrition | Health |
| Inputs required | 2 | 5 |
| Result | Your TDEE (calories/day) | Daily Calorie Needs (calories) |
| What it does | Convert your basal metabolic rate (BMR) into total daily energy expenditure (TDEE) by multiplying by an activity factor. The single number to eat at for maintenance, to subtract from for fat loss, or to add to for muscle gain. | Estimate your daily calorie needs using the revised Harris-Benedict equation, then adjust for activity to get your Total Daily Energy Expenditure (TDEE) — the rough number of calories you burn in 24 hours when you eat a maintenance diet. Enter your weight in kilograms, height in centimetres, age, biological sex, and an activity multiplier (sedentary 1.2, lightly active 1.375, moderately active 1.55, very active 1.725, extremely active 1.9). The result is what most nutrition guides call your "maintenance calories" — a starting point for designing a deficit (to lose weight), a surplus (to gain muscle), or a recomposition plan. |