Total Daily Energy (TDEE)
Daily calories burned including activity.
Formula
Variables
Example
1780 × 1.55 ⇒ 2759 kcal
How it works
Total Daily Energy Expenditure (TDEE) estimates how many calories your body uses in a whole day. It starts with BMR, which is the energy needed just to keep you alive at rest, and then multiplies by an activity factor to account for movement, exercise, and the extra cost of daily tasks. The factor is larger for more active people because they burn more energy beyond basic body functions.
When to use it
Use this formula when planning calorie intake for weight maintenance, fat loss, or muscle gain. It is especially useful in nutrition tracking, fitness coaching, and meal planning when you need a practical estimate of daily calorie needs.
Worked example, step by step
Step 1: Identify the BMR = 1520 kcal/day Step 2: Choose an activity factor = 1.4 Step 3: Multiply: TDEE = 1520 × 1.4 Step 4: Calculate: TDEE = 2128 kcal/day Final answer: The estimated total daily energy expenditure is 2128 calories per day.
Common mistakes to avoid
- Using the wrong activity factor for the person's real lifestyle
- Treating TDEE as exact instead of an estimate
- Confusing TDEE with BMR and forgetting to multiply by activity
Did You Know?
Total daily energy expenditure combines your resting burn with activity, the honest budget behind any diet.
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