## INTRODUCTION

 Estimated Energy Requirements (EER) for Men and Women 30 Years of Age Food and Nutrition Board, Institute of Medicine, National Academies Height (m [in]) PALb Weight for BMIc of 18.5 kg/m2 (kg [lb]) Weight for BMI of 24.99 kg/m2 (kg [lb]) EER, Mend (kcal/day) EER, Womend (kcal/day) BMI of 18.5 kg/m2 BMI of 24.99 kg/m2 BMI of 18.5 kg/m2 BMI of 24.99 kg/m2 1.50 (59) Sedentary 41.6 (92) 56.2 (124) 1,848 2,080 1,625 1,762 Low Active 2,009 2,267 1,803 1,956 Active 2,215 2,506 2,025 2,198 Very Active 2,554 2,898 2,291 2,489 1.65 (65) Sedentary 50.4 (111) 68.0 (150) 2,068 2,349 1,816 1,982 Low Active 2,254 2,566 2,016 2,202 Active 2,490 2,842 2,267 2,477 Very Active 2,880 3,296 2,567 2,807 1.80 (71) Sedentary 59.9 (132) 81.0 (178) 2,301 2,635 2,015 2,211 Low Active 2,513 2,884 2,239 2,459 Active 2,782 3,200 2,519 2,769 Very Active 3,225 3,720 2,855 3,141

aFor each year below 30, add 7 kcal/day for women and 10 kcal/day for men. For each year above 30, subtract 7 kcal/day for women and 10 kcal/day for men.

bPAL = physical activity level.

cBMI = body mass index.

dDerived from the following regression equations based on doubly labeled water data:

• Adult man: EER = 662 – 9.53 × age (yr) + PA × (15.91 × wt [kg] + 539.6 × ht [ml])

• Adult woman: EER = 354 – 6.91 × age (yr) + PA × (9.36 × wt [kg] + 726 × ht [ml])

where PA refers to coefficient for PAL.

PAL = total energy expenditure ÷ basal energy expenditure

• PA = 1.0 if PAL ≥ 1.0 < 1.4 (sedentary)

• PA = 1.12 if PAL ≥ 1.4 < 1.6 (low active)

• PA = 1.27 if PAL ≥ 1.6 < 1.9 (active)

• PA = 1.45 if PAL ≥ 1.9 < 2.5 (very active)

SOURCE: Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids (2002).

Dietary Reference Intakes for Energy, Carbohydrates, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids (Macronutrients). 2005, the National Academy of Sciences, courtesy of the National Academies Press, Washington, DC.

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