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Red grapefruit calories

Red grapefruit, raw, pink and red
52kcal
1 half grapefruit · 123 g, raw, pink and red
7%protein
0.9 gProtein
13 gCarbs
0.2 gFat
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Nutrition facts
Raw, pink and red · per 123 g
Calories52 kcal
Protein0.9 g
Carbohydrate13.1 g
Fat0.2 g
Saturated fat0 g
Cholesterol0 mg
Sodium0 mg
Potassium166 mg
Iron0.1 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

Most popular red grapefruit brands in the United States
Ranked by popularity in the BodyPal database
#  Productkcal / 100 g
1Signature Farms Ruby Red Grapefruit1 container · 198 g51 kcal
2Ocean Spray Original Ruby Red Grapefruit Juice Drink From Concentrate8 fl oz · 240 ml42 kcal
3Ocean Spray Ruby Red Grapefruit Juice Drink8 fl oz · 240 ml46 kcal
4Ocean Spray Diet Ruby Red Grapefruit Juice Drink8 fl oz · 240 ml2 kcal
5Tropicana Ruby Red Grapefruit 100% Juice With Calcium and Vitamin D8 fl oz · 240 ml38 kcal
6Del Monte Red Grapefruit1 container · 198 g51 kcal

The refrigerated cups are packed in juice and the bottled drinks are sweetened or diluted, so their label numbers do not match the 42 calories per 100 g of the raw fruit.
Source: manufacturer labels / USDA FoodData Central.

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Red grapefruit FAQs
How many calories are in half a red grapefruit?

Half a fruit (123 g) is 52 calories. A full cup of sections with juice is 97 calories.

Is red grapefruit good for weight loss?

It has 42 calories per 100 g, and half a fruit is 52 calories with about 2.0 g of fiber.

Red grapefruit vs regular grapefruit: which has more calories?

They are the same, 42 calories per 100 g for pink and red fruit. Florida-grown pink and red grapefruit is lower at 30 calories per 100 g.

How much sugar is in red grapefruit?

About 6.9 g per 100 g, so half a fruit (123 g) has roughly 8.5 g of sugar and 13.1 g of carbs.