Calories and nutrition facts

Watermelon

100 g of watermelon has 35 calories, 0.6 g protein, 7 g carbs and 0.4 g fat. 1 slice (250 g) has 88 calories.

  • Carbs 82 %
  • Protein 7 %
  • Fat 11 %
Watermelon1 slice (250 g)
Calories88
Carbs17 g
Protein1.5 g
Fat1 g
Health Score8/10
Good

The Health Score from the ClemCam app: 1 to 10, based on the Nutri-Score (2023) per 100 g.

Nutrition facts

Nutrition factsper 100 g1 slice (250 g)
Energy35 kcal 146 kJ88 kcal 368 kJ
Fat0.4 g1 g
of which saturated0.05 g0.13 g
Carbohydrates7 g17 g
of which sugars6.7 g17 g
Fibre0.2 g0.5 g
Protein0.6 g1.5 g
Salt0.01 g0.03 g

Vitamins

Nutrition factsper 100 g% reference intake
Vitamin A50 µg6.3 %
Vitamin B1 (thiamin)0.05 mg4.5 %
Vitamin B2 (riboflavin)0.05 mg3.6 %
Niacin (B3)0.27 mg1.7 %
Vitamin B60.07 mg5 %
Folate6 µg3 %
Vitamin C6 mg7.5 %
Vitamin E0.04 mg0.3 %
Vitamin K0.1 µg0.1 %

Minerals

Nutrition factsper 100 g% reference intake
Calcium8 mg1 %
Iron0.3 mg2.1 %
Magnesium8 mg2.1 %
Zinc0.09 mg0.9 %
Potassium94 mg4.7 %
Phosphorus9 mg1.3 %

Adult reference intakes from EU Regulation 1169/2011 (fibre 30 g and salt 6 g as recommended by the DGE). Only values above 0 are shown.

Compared

Other foods in Fruit, per 100 g.

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Snap your plate and ClemCam spots each food, estimates the portion and works out calories, protein, carbs and fat. With the same BLS values as this page.

Questions

How many calories are in 1 slice (250 g) of watermelon?

1 slice (250 g) of watermelon has 88 calories, with 1.5 g protein, 17 g carbs and 1 g fat.

How much protein is in watermelon?

Watermelon has 0.6 g protein per 100 g. That is 7% of its calories.

How many carbs are in watermelon?

Watermelon has 7 g carbs per 100 g, including 6.7 g sugars and 0.2 g fibre.

Source: German Federal Food Code (Bundeslebensmittelschlüssel, BLS) 4.0, Max Rubner Institute (2025), licensed under CC BY 4.0. Values per 100 g edible portion, BLS code F535100. Serving sizes are typical amounts; per-serving values, shares and the Health Score were calculated by ClemCam.