Reference | Â | Formulas |
---|---|---|
Desired Body Weight (kg)1 | DBW | (height in cm - 100) × 0.9 |
Basal Metabolic Requirement (kcal) | BMR | 1 kcal/kg × DBW in kg × hours |
Caloric allowance based on physical activity level | PAL | Â |
   Sedentary or light activity |  | 35 kcal/kg × DBW in kg × hours in light activities |
   Active or moderately active |  | 40 kcal/kg × DBW in kg × hours in moderately active activities |
   Vigorous or vigorously active |  | 45 kcal/kg × DBW in kg × hours in vigorous activities |
Specific Dynamic Action of food (kcal) | SDA | 10% of (BMR + PAL) |
Total Energy Requirement (kcal/day) | TER | BMR + PAL + SDA |
Change in Energy Requirements based on age | CER | Â |
   ≥ 60 to <70 y |  | 10% decrease |
   ≥ 70 y |  | 20% decrease |
Age-adjusted Total Energy | Â | Â |
Requirement (kcal/day) | ATER | TER - (TER × CER) |
Macronutrient Allowance | Allowance | Â |
   Energy (kcal) |  | ATER in kcal |
   Protein (g) |  | (ATER in kcal × 0.60)/4 g per calorie |
   Fat (g) |  | (ATER in kcal × 0.25)/9 g per calorie |
   Carbohydrates (g) |  | (ATER in kcal × 0.15)/4 g per calorie |
Adequacy of intake of macronutrients (%) | Adequacy | Â |
   Energy |  | (Total caloric intake/ATER) × 100 |
   Protein |  | (Protein intake/Protein allowance) × 100 |
   Fat |  | (Fat intake/Fat allowance) × 100 |
   Carbohydrates |  | (Carbohydrate intake/Carbohydrate allowance) × 100 |
Mean Physical Activity Level | MPAL | (Hours spent per activity × Energy cost of activity)/24 hours |