For men: 18-2,400 calories,  19-20- 2,600 calories, 21-40-2,400 calories, 41-60-2,200 calories, and 61 and older-2,000 calories. For women: 19-30-2,000-2,400 calories,31-60-1,600-2,200 calories, 61 and older- 1,600-2000 calories.