31 rows · Estimated Calorie Needs per Day, by Age, Sex, and Physical Activity Level. Estimates range from 1,600 to 2,400 calories per day for adult women and 2,000 to 3,000 calories per day for adult men. Within each age and sex category, the low end of the range is for sedentary individuals; the high end of the range is for active individuals. Estimated Calorie Requirements. and weight for ages up to age 18 years of age and median height and weight for that height to give a BMI of 21.5 for adult females and 22.5 for adult males.
The term calorie is commonly used as shorthand for kilocalorie. You will find this written as kcal on food packets. Kilojoules (kJ) are the equivalent of kilocalories within the International System of Units, and you'll see both kJ and kcal on nutrition labels – 4.2kJ is equivalent to . Adjusting your calorie intake to promote weight gain involves similar calculations, though your goal will be the opposite: Increasing your food consumption to exceed your metabolic requirements. This is a bit trickier, because while exercise plays a role in healthy weight gain – it helps build muscle – it also burns some of those extra.
"It's easier to get up the will-power to turn down a 900 calorie double-burger with cheese and sauce and opt for a 400 calorie chicken sandwich or salad when you know your entire daily needs are about 1600 calories," says Joan Carter, a CNRC registered dietitian and instructor of pediatrics at Baylor College of Medicine in Houston. The answers for all these questions and more are present in our online daily calorie intake calculators.This calculator gives you the basal metabolic rate (BMR), daily requirements of calorie, carbohydrates, proteins, and fats in terms of calories and grams/day in adult males and .