Fruits · Nutrition facts
🍉Calories in Watermelon
A 1 cup diced of watermelon (152 g) has 46 calories, with 0.9 g protein, 12.2 g carbs and 0.3 g fat.
Calories
46
Protein
0.9 g
Carbs
12.2 g
Fat
0.3 g
Watermelon nutrition by serving size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 cup diced | 46 | 0.9 g | 12.2 g | 0.3 g |
| 100 g | 30 | 0.6 g | 8 g | 0.2 g |
| 1 oz (28 g) | 9 | 0.2 g | 2.3 g | 0.1 g |
| 1 cup (≈225 g) | 68 | 1.3 g | 18 g | 0.5 g |
| 200 g | 60 | 1.2 g | 16 g | 0.4 g |
Values are approximate, rounded from USDA FoodData Central and OpenFoodFacts references. Real plates vary — that's exactly why CalorieScan AI lets you correct any estimate in plain English.
Macro breakdown
- Per 100 g: 30 cal
- Per 1 oz: 9 cal
- Fiber: 0.4 g / 100 g
- Sugar: 6 g / 100 g
Frequently asked
How many calories are in watermelon?
One 1 cup diced of watermelon (152 g) has about 46 calories. Per 100 g, watermelon has 30 calories.
How much protein is in watermelon?
A 1 cup diced serving of watermelon provides roughly 0.9 g of protein (0.6 g per 100 g).
What are the macros for watermelon?
Per 1 cup diced: 0.9 g protein, 12.2 g carbs and 0.3 g fat — that's roughly 7% protein, 88% carbs and 5% fat by calories.
How do I log watermelon without weighing it?
Take a photo of your plate in CalorieScan AI. The app recognises watermelon, estimates the portion, and returns calories and macros in about three seconds — then you can fine-tune it in plain English ("make that two servings").
Stop looking up calories.
Snap a photo of watermelon — or any meal — and CalorieScan AI does the math. Free on iPhone.
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