Food calories · USDA data
Calories in watermelon
46 calories
in 1 cup, diced, 152 g
- Protein
- 0.9 g
- Carbs
- 11.5 g
- Fat
- 0.2 g
- Fiber
- 0.6 g
Watermelon has 46 calories. That is USDA's figure for 1 cup, diced, which weighs 152 g. Per 100 g, watermelon has 30 calories.
Almost all of its calories, 89%, come from carbohydrate.
It takes 333 g of watermelon to reach 100 calories, which is about 2.2 × 1 cup, diced.
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup, diced | 152 g | 46 | 0.9 g | 11.5 g | 0.2 g |
| 1 cup, balls | 154 g | 46 | 0.9 g | 11.6 g | 0.2 g |
| 1 melon (15" long x 7-1/2" dia) | 4,518 g | 1,355 | 27.6 g | 341.1 g | 6.8 g |
| 1 wedge (approx 1/16 of melon) | 286 g | 86 | 1.7 g | 21.6 g | 0.4 g |
| 10 watermelon balls | 122 g | 37 | 0.7 g | 9.2 g | 0.2 g |
| 1 oz | 28.3 g | 8 | 0.2 g | 2.1 g | 0 g |
| 100 g | 100 g | 30 | 0.6 g | 7.6 g | 0.2 g |
Portion weights are USDA's own. Your watermelon may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 7% of calories (0.6 g per 100 g)
- Carbohydrate: 89% (7.6 g per 100 g, of which 0.4 g fiber)
- Fat: 4% (0.2 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, lemon has the fewest calories of these four (29 per 100 g) and strawberries the most (32).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Watermelon | 30 | 0.6 g | 7.6 g | 0.2 g |
| Lime | 30 | 0.7 g | 10.5 g | 0.2 g |
| Lemon | 29 | 1.1 g | 9.3 g | 0.3 g |
| Strawberries | 32 | 0.7 g | 7.7 g | 0.3 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories is in watermelon?
Watermelon has 46 calories. USDA weighs 1 cup, diced at 152 g, and watermelon has 30 calories per 100 g.
How much protein does watermelon have?
1 cup, diced (152 g) has 0.9 g of protein, 2% of the 50 g Daily Value. Per 100 g it is 0.6 g.
How many carbs does watermelon have?
1 cup, diced has 11.5 g of carbohydrate, including 0.6 g of fiber, and 0.2 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Watermelon, raw (FDC ID 167765). Values are averages; a packaged food's label may differ.