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How Many Calories to Maintain 100 Lbs.?

by
author image Juniper Russo
Juniper Russo, an eclectic autodidact, has been writing professionally since 2008. Her work has appeared in several online and print-based publications, including Animal Wellness. Russo regularly publishes health-related content and advocates an evidence-based, naturopathic approach to health care.
How Many Calories to Maintain 100 Lbs.?
A young woman is cooking. Photo Credit Anetlanda/iStock/Getty Images

The calorie needs of a 100-lb. adult vary depending on the person's age, gender, health and level of physical activity. Consult a nutritionist or physician for help when determining the number of calories you need to maintain your weight.

Height Range

A weight of 100 lbs. is healthy only for relatively short adults. According to the National Heart, Lung and Blood Institute, adults who are 4 feet 5 inches to 5 feet 1 inch in total height are within a healthy weight range at 100 lbs. Seek to maintain this weight only if it is appropriate for your stature.

Low Activity Level

If you are physically inactive, you require significantly fewer calories than your larger or more active peers. MayoClinic.com estimates that an inactive adult who is 5 feet in height needs 1550 to 1600 calories daily to maintain a weight of 100 lbs.

Moderate Activity Level

Adults who engage in moderate exercise a few times per week need more calories than those who lead sedentary lifestyles. Moderately active people who weigh 100 pounds need 1700 to 1900 calories each day.

High Activity Level

If you are very athletic and exercise vigorously every day, you need approximately 2150 to 2200 calories daily to maintain a weight of 100 pounds.

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