Harris-Benedict equation

Introduction

basal energy expenditure (BEE) in kcal/day =

66.5* + (13.8 x weight in kg) + (5.0 x height in cm)

• (6.6 x age in years) [men]

665.1* + (9.6 x weight in kg) + (1.8 x height in cm)

• (4.7 x age in years) [women]

* this discrepancy between men & women is allegedly correct

Multiply BEE by factor to obtain nutritional requirements:

• 1.0-2.0 illness activity factor
• 1.2 bedridden
• 1.3 non-bedriddin

Use acutal body weight if < 120% ideal body weight or weight altered by edema