U.S. doctors online nowAsk doctors free
Olathe, KS
A 20-year-old female asked:

How many calories should i eat a day to lose 5 pounds. i'm 5'6 & weigh 140?

2 doctor answers3 doctors weighed in
Dr. Alvin Lin
Geriatrics 31 years experience
500kcal: We estimate that it takes an extra 3, 500kcal intake above output to gain a pound of weight. Conversely, you need to burn 3, 500kcal beyond what's consumed to lose weight. On a daily basis, you're looking at 500kcal difference to lose a pound a week. That doesn't mean starve but rather a combination of less in and more out.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Brian Kaufman
Internal Medicine 20 years experience
Need more info: To determine this you need to put your information into the harris-benedict equation to calculate your basal energy expenditure. You can find this online. It takes into account gender, age, height, weight and activity level. If you find your daily caloric intake and subtract 500 calories by either decreased food or increased activity, you should lose about a pound a week. That is usually safe.
Created for people with ongoing healthcare needs but benefits everyone.

Similar questions

A 27-year-old member asked:

How many calories should I eat a day if I am 5'8 and 130 pounds?

1 doctor answer1 doctor weighed in
Dr. Luis Villaplana
Internal Medicine 36 years experience
1200-1800 depending: On whether u want ti maintain, gain or lose weight.
Created for people with ongoing healthcare needs but benefits everyone.
France
A 29-year-old female asked:

How many calories a day should I eat to lose 1kg in a week ?

1 doctor answer1 doctor weighed in
Dr. Michael Sparacino
Family Medicine 38 years experience
See below: If the average diet is about 2200 cal/day, subtrasct 500 cal and you'll lose about 1 kg/week, which is a safe rate of loss.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 13, 2013

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.