A typical serving of cantaloupe (1 cup, cubed, 160 g) has about 54 calories. Per 100 g: 34 kcal, 0.8 g protein, 8.2 g carbs, 0.2 g fat. The same 100 g carries 0.9 g of fiber and 7.9 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup, cubed | 160 g | 54 kcal |
| 1 wedge, medium | 69 g | 23 kcal |
| 1 small melon | 441 g | 150 kcal |
| 100 g | 100 g | 34 kcal |
Melon is mostly water; a full cup of cubes is about 54 calories. On the energy-density scale, 34 kcal per 100 g puts cantaloupe at the very low end.

A typical serving (1 cup, cubed, 160 g) has about 54 calories, and 100 g has 34 kcal. Calories scale with weight, so double the portion means double the number.
There are 0.8 g of protein in 100 g of cantaloupe, which works out to about 1.3 g per serving (1 cup). Treat it as an energy source rather than a protein source.
There are 8.2 g of carbohydrate per 100 g of cantaloupe, or about 13 g in 1 cup (160 g).
Every value on this page comes from USDA FoodData Central, entry 169092 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Nutrition data: USDA FoodData Central, FDC ID 169092 (SR Legacy). Serving calories are computed from the per-100-g values.