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Fruit

How many calories are in grapefruit?

1/2 medium (123 g) of grapefruit has about 52 calories, with 1g protein, 13.1g carbohydrates and 0.2g fat.

A grapefruit is a tart citrus fruit high in vitamin C, vitamin A, and antioxidants.

Calories

52

Per serving
1/2 medium (123 g)

1g Protein
13.1g Carbs
0.2g Fat
2g Fiber

of which sugars: 8.5g

Source: USDA FoodData Central. Values are averages and vary by brand and preparation.

Calories and macros by amount

Amount Calories ProteinCarbsFat
1/2 medium (123 g) 52 1g13.1g0.2g
Per 100 g 42 0.8g11g0.2g

Where the calories come from

Share of calories from each macronutrient

Protein 7% Carbs 90% Fat 3%

Burn it off

Roughly how long it takes to burn 52 calories:

🚶
12
min
Walking
🏃
4
min
Running
🚴
6
min
Cycling

Estimated for a ~70 kg (154 lb) adult; your rate varies.

Log grapefruit in one photo

Skip the manual entry. Snap a photo with LensNutra’s AI food scanner and its calories and macros are logged automatically — portions and all.

Frequently asked questions

How many calories are in grapefruit?

1/2 medium (123 g) of grapefruit has about 52 calories, with 1g protein, 13.1g carbohydrates and 0.2g fat.

How much protein is in grapefruit?

1/2 medium (123 g) of grapefruit contains about 1g of protein.

How many carbs and fat are in grapefruit?

1/2 medium (123 g) of grapefruit contains about 13.1g of carbohydrates and 0.2g of fat.

Is grapefruit good for weight loss?

At about 52 calories per serving, grapefruit can fit a weight-loss plan when it suits your daily calorie budget. Log it by photo with LensNutra to stay on track.

How long does it take to burn off grapefruit?

Burning about 52 calories takes roughly 12 minutes of walking or 4 minutes of running.

Written & maintained by the LensNutra nutrition team · Nutrition data: USDA FoodData Central

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