Nutrition & nutritional science
Calculation method and formula
Total daily energy use [kcal] ÷ Resting energy use [kcal]
Understand the inputs
- Total daily energy use
- Unit: kcal. Minimum 1. Use a measured value or your own assumption.
- Resting energy use
- Unit: kcal. Minimum 1. Use a measured value or your own assumption.
Assumptions and limitations
PAL is a ratio of two energy measures for the same day. If total expenditure is estimated, PAL inherits that uncertainty; this tool does not measure activity.
The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.