How Much Does a Grapefruit Weigh?
A grapefruit weighs about 308 grams (11 oz).
That is the USDA average for one grapefruit, which has 129 calories and 2.4 g of protein. Sizes vary, so weigh yours if you track closely.
Grapefruit Calorie Calculator
129cal
in 1 grapefruit (308 g)Protein2.4 g7% of calories
Fat0.4 g3% of calories
Carbs33 g91% of calories
6% of a 2,000 calorie day
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Total
Grapefruit weight by size and measure
| Measure | Grams | Ounces | Calories |
|---|---|---|---|
| 1 grapefruit | 308 g | 11 oz | 129 |
| 1 half of grapefruit | 154 g | 5.4 oz | 65 |
| 1 cup of grapefruit | 180 g | 6.3 oz | 76 |
Grapefruit calories by serving size
Common amounts of grapefruit with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 1/2 cup | 90 g | 38 | 0.7 g | 0.1 g | 9.6 g |
| 100g | 100 g | 42 | 0.8 g | 0.1 g | 11 g |
| 1 half | 154 g | 65 | 1.2 g | 0.2 g | 16 g |
| 1 cup | 180 g | 76 | 1.4 g | 0.3 g | 19 g |
| 200g | 200 g | 84 | 1.5 g | 0.3 g | 21 g |
| 1 grapefruit | 308 g | 129 | 2.4 g | 0.4 g | 33 g |
| 2 halfs | 308 g | 129 | 2.4 g | 0.4 g | 33 g |
| 2 grapefruit | 616 g | 259 | 4.7 g | 0.9 g | 66 g |
Grapefruit vs similar foods
Calories per 100 g compared with other fruits.
Grapefruit: common questions
How much does a grapefruit weigh?
About 308 g, or 11 oz.
How many calories are in a grapefruit?
A grapefruit has 129 calories.
More about grapefruit
Amount for a target
Weights and conversions
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Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2709165. Original description: Grapefruit, raw. Portion weights are USDA household measures.