U.S. doctors online nowAsk doctors free
A 43-year-old member asked:

How to calculate calories from a nutrition label?

3 doctor answers5 doctors weighed in
Dr. Khayriyyah Chandler
Family Medicine 16 years experience
Serving size is imp!: Nutrition labels label the calories alone but it's the serving size where things get tricky. For example, if the serving size says 1 cookie and the calories say 120 calories. That's not a good idea however if the 50 berries is about 50 calories that's 1 calorie per berry. But food is much more complicated than that. Take nuta. They are high in calories but very nutritious. Just eat less...
Created for people with ongoing healthcare needs but benefits everyone.
Dr. John La Puma
Specializes in Internal Medicine
Multiply it out: Calories per serving are listed on each nutrition label. But you really want to know how many calories are in the whole box/bag/can. Multiply the number of servings in the container times the calories per serving to get the total calories. The serving size on the container usually is nowhere close to what people actually eat.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Martin Fried
Nutrition 38 years experience
4,4,9: its four calories per gram of protein plus 4 calories per gram of carbs and add 9 calories per gram of fat for the total number of calories
Created for people with ongoing healthcare needs but benefits everyone.

Similar questions

A 36-year-old member asked:

How can I calculate the number of calories from a nutrition label?

2 doctor answers4 doctors weighed in
Dr. Martin Rossman
Holistic Medicine 54 years experience
Read it : A nutrition label has the number of calories per serving along with serving size.
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A 43-year-old member asked:
How can you calculate the calories burnt for an exercise?
2 doctor answers2 doctors weighed in
A 38-year-old member asked:
How do I calculate calories in fast food?
1 doctor answer1 doctor weighed in
A 34-year-old member asked:
What are the ways that exercise machines calculate the amount of calories burned?
1 doctor answer2 doctors weighed in
A 21-year-old female asked:
210pounds 5^2 21yrs old. Considering the 400(or600) calories a day diet. Nutritional diet plan?
1 doctor answer3 doctors weighed in
A 36-year-old member asked:
How is it possible to burn more calories than you eat? Is the correct way to calculate calories?
1 doctor answer1 doctor weighed in
Last updated Apr 28, 2019

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.