FOOD REFERENCE
Watermelon: calories and macros per 100 g and serving
Watermelon calories per 100 g of flesh and your serving. Weigh the edible flesh without rind to avoid overestimating your portion.
Calculate your serving
For a 100 g serving
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Calories and macros per 100 g
All values are for the edible portion in the stated food state.
| Food | Calories, kcal | Protein, g | Fat, g | Carbohydrate, g | Fibre, g |
|---|---|---|---|---|---|
| Raw, edible flesh | 30 | 0.61 | 0.15 | 7.55 | 0.4 |
How to calculate more accurately
Slice size alone does not determine calories. Remove the rind and weigh the flesh you will eat.
For a bowl, use the combined flesh weight. The 250 g shortcut is a serving example, not dietary advice.
Count juice and sweetened drinks separately; their composition is not the same as whole watermelon flesh.
Common question
Calories in 500 g watermelon?
If this is 500 g of edible flesh without rind, this record gives 150 kcal.
Data source and accuracy
Food images are AI-generated. Each image illustrates the first food state on its card.
Source: USDA FoodData Central, SR Legacy, April 2018 release. These are reference values for the described foods, not an analysis of your portion or a specific brand. Checked against the source dataset on 4 September 2026.
Serving calculation: value per 100 g × serving weight / 100. This database reports carbohydrate by difference, including fibre; do not add fibre again. Calories come from the reference, not from rounded macros.
For packaged foods, prefer the label. Calculate cooked dishes from their ingredients and actual yield. This reference does not prescribe medical diets.
Original reference records
- USDA FDC 167765: Watermelon, raw