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Fruits

Calories in Watermelon

Calories

30

kcal/100g

Protein

0.6g

per 100g

Carbs

7.6g

per 100g

Fat

0.2g

per 100g

About Watermelon

Watermelon is 92% water, making it one of the most hydrating foods. It's very low in calories and contains lycopene, an antioxidant linked to heart health.

Macro Breakdown (per 100g)

Protein
0.6g (1%)
Carbs
7.6g (3%)
Fat
0.2g (0%)
Fiber
0.4g (1%)

Calorie source split

Protein 7%Carbs 88%Fat 5%

Calories in Watermelon by Serving Size

ServingCaloriesProteinCarbsFat
100g (standard reference)(100g)300.6g7.6g0.2g
1 cup diced (154g)(154g)460.9g11.7g0.3g
1 slice (286g)(286g)861.7g21.7g0.6g

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Watermelon Diet Tags

low caloriehydratingantioxidantweight loss

Watermelon Nutrition — FAQs

1

How many calories in Watermelon per 100g?

Watermelon contains 30 calories per 100g, with 0.6g protein, 7.6g carbs, and 0.2g fat.

2

How many calories in 1 cup diced?

1 cup diced (154g) of Watermelon contains approximately 46 calories, with 0.9g protein, 11.7g carbs, and 0.3g fat.

3

Is Watermelon low calorie?

Yes — Watermelon is a low-calorie food at just 30 kcal per 100g. It's an excellent choice for weight management and calorie-controlled diets.

4

What are the macros in Watermelon?

Per 100g, Watermelon provides: 0.6g protein (7% of calories), 7.6g carbohydrates (88% of calories), and 0.2g fat (5% of calories).

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Calories in Watermelon: 30kcal/100g — Full Nutrition Breakdown [2026]