Nature's Pick

Watermelon — Calories, Nutrition & Ingredients

UPC 4088600089188 Fruits Based Foods Updated 16 Oct 2026

Watermelon
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
38.9per 100 g
Protein
0.7 gper 100 g
Carbs
8.3 gper 100 g
Fat
0.2 gper 100 g

Where to buy

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Per 100 g, Watermelon has 38.9 calories, 0.7 g protein and 0.2 g fat.

Label highlights: Fat: low Saturates: low Sugars: medium Salt: low

Nutrition

Per 100 g
Energy 163 kJ / 39 kcal
Fat 0.2 g
of which saturates 0.0 g
Carbohydrate 8.3 g
of which sugars 7.9 g
Fibre 0.5 g
Protein 0.7 g
Salt 0.01 g

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

38.9 calories in 100 g
Protein0.7 g
Carbohydrates8.3 g
Sugars7.9 g
Added sugars0 g
Fibre0.5 g
Fat0.2 g
Saturated fat0.0 g
Cholesterol0 mg
Sodium2.5 mg
Calcium6 mg
Potassium100 mg
Iron0.2 mg
Vitamin A0 mcg
Vitamin C4.3 mg
Vitamin D0 mcg

Ingredient flags

Ingredient list not available — flags cannot be shown.

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Watermelon

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Healthier swaps

Same category, better nutrition per 100 g (see methodology).

We compare per-100 g values from Open Food Facts. A swap must be at least as good on sugars, saturates, salt, calories, protein and fibre (where listed) and strictly better on at least one of those nutrients. Check the label for your portion size.

Ingredients

Watermelon

Frequently asked questions

How many calories are in Watermelon?

Per 100 g of Watermelon there are 39 calories.

How much protein is in Watermelon?

Per 100 g of Watermelon there are 0.69 g protein.

How many carbohydrates are in Watermelon?

Per 100 g of Watermelon there are 8.33 g carbohydrates. Of which 7.9 g sugars.

How much sugar is in Watermelon?

Per 100 g of Watermelon there are 7.9 g sugars.

How much sodium (salt) is in Watermelon?

Per 100 g of Watermelon there are 2.52 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Watermelon?

Per 100 g of Watermelon there are 0.5 g fibre. Fibre is important for digestive health.

What are the main ingredients in Watermelon?

The main ingredients in Watermelon are: Watermelon.

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Level of processing

1
Unprocessed
1 ingredient
UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

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