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Energy Balance

Updated March 16, 2026

This content is for informational purposes only and is not a substitute for professional advice.

Energy balance ties intake and energy spend into one view so you can see whether your targets match what your watch and logs describe. See Today View Personalization for display setup details.

The four numbers that matter

Fuel uses a simple model because it is auditable.

Intake is what you logged. Resting energy is what you spend at baseline. Active energy is what your Apple Watch estimates you spent moving and training. Net energy is computed as intake minus resting energy minus active energy.

Example

Intake 2300 kcal
Resting 1700 kcal
Active 600 kcal
Net 0 kcal

Why this view stays useful

Coaching depends on being able to answer a basic question: did you miss the target because the target was wrong, or because the inputs were missing.

Energy balance helps you debug the day. If active energy is low because the watch was not worn, the plan will look too strict. If intake is low because meals were not logged, the plan will look too easy.

Reading energy in real time

Energy is not a fixed number that arrives at midnight. It accumulates as Apple Watch records movement and as you log meals.

Expect the numbers to move during the day as watch data syncs and as you add logs. Judge the model at the end of the day, not at noon.

Dynamic Calories

When Dynamic Calories is enabled, the target shown in Energy Balance moves with your actual activity through the day. This means the deficit or surplus number reflects a dynamic target rather than a fixed one.

If you log a workout and have workout calorie inclusion enabled, the target increases to account for training, and Energy Balance updates accordingly.

Common causes of misleading totals

Duplicate workouts or duplicate energy sources can inflate totals. Missing permissions can make totals look flat.

When something looks off, start with Apple Health Permissions and then confirm your watch setup in Apple Watch Setup.