Fruits
Calories in Watermelon
Watermelon is 92% water, making it one of the most hydrating foods. At just 30 calories per 100g, it's a guilt-free summer snack. It's also a good source of lycopene — the same antioxidant found in tomatoes.
Per 100g
calories
Fiber: 0.4g per 100g
Per serving
calories — 1 cup diced (152g)
Good to know
The deeper the red, the more lycopene it contains.
Blend into agua fresca with lime and a pinch of salt.
Yellow watermelon varieties taste milder and slightly sweeter.
Not sure about the portions?
Snap a photo of your watermelon and CalShot will estimate the exact calories and macros for your actual portion size. No measuring, no guessing.
Scan your watermelonRelated foods
More fruits
| Food | Cal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Banana | 89 | 1.1g | 22.8g | 0.3g |
| Apple | 52 | 0.3g | 13.8g | 0.2g |
| Avocado | 160 | 2g | 8.5g | 14.7g |
| Orange | 47 | 0.9g | 11.8g | 0.1g |
| Strawberries | 32 | 0.7g | 7.7g | 0.3g |
| Blueberries | 57 | 0.7g | 14.5g | 0.3g |
Frequently asked questions
How many calories are in watermelon?
Watermelon contains 30 calories per 100 grams. 1 cup diced (152g) has approximately 46 calories, with 0.9g protein, 11.6g carbs, and 0.3g fat.
How can I accurately track watermelon calories?
The most accurate way is to weigh your portion on a food scale. Alternatively, you can use CalShot to snap a photo of your watermelon and get an AI-powered calorie estimate in seconds — no weighing or manual logging required.