Your Total Daily Energy Expenditure (TDEE) represents the total number of calories your body burns in a day — including basic biological functions (BMR) and all physical activity.
While BMR tells you how many calories your body needs at rest, TDEE gives you a real-world estimate of how many calories you actually burn daily. This makes it the key number for:
- Weight loss — creating a calorie deficit
- Maintenance — balancing intake and expenditure
- Muscle gain — sustaining a calorie surplus
The TDEE Formula
TDEE is calculated by multiplying your BMR by an activity factor:
Common Activity Multipliers
| Activity Level | Description | Multiplier |
|---|---|---|
| 🛋️ Sedentary | Little or no exercise | × 1.2 |
| 🚶 Light | 1–3 days of exercise per week | × 1.375 |
| 🏃 Moderate | 3–5 days of exercise per week | × 1.55 |
| 🏋️ Very Active | 6–7 days of intense exercise | × 1.725 |
| ⚡ Extra Active | Intense exercise + physical job | × 1.9 |
Step-by-Step Example
Let's say: BMR = 1,450 kcal/day · Activity = Moderate
Step 2 — Choose activity factor: Moderate activity → 1.55
Step 3 — Apply the formula: TDEE = 1,450 × 1.55
Step 4 — Result: 2,247.5 kcal/day
This means:
- Eat ~2,247 kcal → maintain weight
- Eat ~1,747 kcal → lose ~0.5 kg/week (500 kcal deficit)
- Eat ~2,547 kcal → lean bulk (300 kcal surplus)
Final Note
TDEE is where nutrition becomes practical. Once you know this number, you can directly adjust your calorie intake based on your goals.
For best results, use the BMR Calculator first to establish your baseline, then come back here to find your TDEE and goal-specific calorie targets.