Physical activity only makes up a small portion of your total energy burn. Percentages of calories you burn off in a day:
- 60%- 80% account for energy used for basic functioning when the body is at rest.
- 10% of energy is used to break down food.
- 10% - 30% of energy is used during physical activity, of which exercise is only a subset.
- Thermogenesis accounts for less than 10% of your total energy expenditure.