Calories in 3 Oz of Watermelon
3 oz of watermelon (85 g) has 26 calories. That is 1% of a 2,000 calorie diet.
The calories come from 0.5 g of protein, 0.1 g of fat and 6.4 g of carbohydrates, a split of 7% protein, 4% fat and 89% carbs. For comparison, 2 oz of watermelon has 17 and 4 oz of watermelon has 34 calories. Burning 26 calories takes about 5 minutes of brisk walking or 2 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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Watermelon calories by serving size
Common amounts of watermelon with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 1 ball | 15 g | 5 | 0.1 g | 0 g | 1.1 g |
| 1 cube | 15 g | 5 | 0.1 g | 0 g | 1.1 g |
| 1 oz | 28 g | 9 | 0.2 g | 0 g | 2.1 g |
| 2 balls | 30 g | 9 | 0.2 g | 0 g | 2.3 g |
| 2 cubes | 30 g | 9 | 0.2 g | 0 g | 2.3 g |
| 50g | 50 g | 15 | 0.3 g | 0.1 g | 3.8 g |
| 1/2 cup | 78 g | 23 | 0.5 g | 0.1 g | 5.9 g |
| 3 oz | 85 g | 26 | 0.5 g | 0.1 g | 6.4 g |
| 100g | 100 g | 30 | 0.6 g | 0.2 g | 7.6 g |
| 4 oz | 113 g | 34 | 0.7 g | 0.2 g | 8.6 g |
| 1 cup | 155 g | 47 | 0.9 g | 0.2 g | 12 g |
| 200g | 200 g | 60 | 1.2 g | 0.3 g | 15 g |
| 1 miniature melon | 1300 g | 390 | 7.9 g | 2 g | 98 g |
| 2 miniature melons | 2600 g | 780 | 16 g | 3.9 g | 196 g |
Watermelon vs similar foods
Calories per 100 g compared with other fruits.
Watermelon: common questions
How many calories are in 3 oz of watermelon?
3 oz of watermelon weighs about 85 g and has 26 calories.
How much protein is in 3 oz of watermelon?
3 oz of watermelon has 0.5 g of protein, which is 1% of the 50 g Daily Value.
How many carbs are in 3 oz of watermelon?
3 oz of watermelon has 6.4 g of carbohydrates, including 0.3 g of fiber and 5.3 g of sugars.
How much watermelon is 100 calories?
100 calories of watermelon is 333 g, about 22 balls of watermelon.
More about watermelon
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Weights and conversions
Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2709270. Original description: Watermelon, raw. Portion weights are USDA household measures.