FRUIT · per 100g edible portion
Watermelon
Nutrition facts for watermelon (raw) — measured values from USDA FoodData Central, standardized to a 100g basis.
Ranks in 8 of 8 tracked rankings
Energy
30kcal
per 100g
Per 1 cup, balls (154 g): 46 kcal · 0.9 g protein · 11.6 g carbs · 0.2 g fat
Protein
0.6g
Carbs
7.6g
Fiber
0.4g
Fat
0.2g
Macronutrient mix
Share of calories from each macro (Atwater 4/4/9 kcal per g)
Serving sizes
Household measures
| Measure | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 10 watermelon balls | 122 g | 37 kcal | 0.7 g | 9.2 g | 0.2 g |
| 1 cup, diced | 152 g | 46 kcal | 0.9 g | 11.5 g | 0.2 g |
| 1 cup, balls | 154 g | 46 kcal | 0.9 g | 11.6 g | 0.2 g |
| 1 wedge (approx 1/16 of melon) | 286 g | 86 kcal | 1.7 g | 21.6 g | 0.4 g |
Measures from USDA food portion data; per-serving values are derived from the measured per-100g values.
Full profile
Nutrition facts per 100g
| Nutrient | Amount |
|---|---|
| Calories | 30 kcal |
| Protein | 0.61 g |
| Carbohydrates | 7.55 g |
| Fiber | 0.4 g |
| Sugar | 6.2 g |
| Fat | 0.15 g |
| Saturated Fat | 0.02 g |
| Calcium | 7 mg |
| Iron | 0.24 mg |
| Magnesium | 10 mg |
| Phosphorus | 11 mg |
| Potassium | 112 mg |
| Sodium | 1 mg |
| Zinc | 0.1 mg |
| Vitamin A | 28 µg |
| Vitamin C | 8.1 mg |
| Vitamin D | 0 µg |
| Vitamin E | 0.05 mg |
| Vitamin K | 0.1 µg |
| Vitamin B1 | 0.03 mg |
| Vitamin B2 | 0.02 mg |
| Vitamin B3 | 0.18 mg |
| Vitamin B6 | 0.05 mg |
| Vitamin B12 | 0 µg |
| Folate | 3 µg |
Common questions
Watermelon FAQ
How many calories in 1 cup, balls of watermelon?
1 cup, balls of watermelon (154 g) provides about 46 kcal. Per 100 g, watermelon has 30 kcal.
How much protein in watermelon?
Watermelon contains 0.6 g of protein per 100 g — about 0.9 g per 1 cup, balls (154 g).
Is watermelon high in fiber?
Watermelon has 0.4 g of fiber per 100 g and ranks #44 of 58 tracked foods for fiber.
Explore
Where watermelon ranks
Food graph
Nutritionally similar to watermelon
Computed from all 25 tracked nutrient profiles in the database — closest overall composition, not necessarily the same food family.
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Data Provenance
USDA FoodData Central
SR Legacy
- Source
- USDA FoodData Central
- FDC ID
- 167765
- Basis
- 100 g edible portion
- Record type
- SR Legacy
- Retrieved
- November 10, 2026