Slice of watermelon

Slice of watermelon

Fruit

Item Rating: 80/100

1 serving (280 grams) contains 85 calories, 1.7 grams of protein, 0.4 grams of fat, and 21.6 grams of carbohydrates.

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72.0
calories
1.4
protein
18.3
carbohydrates
0.3
fat

Nutrition Information

1 cup (237.3g)
Calories
72.0
% Daily Value*
Total Fat 0.3 g 0%
Saturated Fat 0.1 g 0%
Polyunsaturated Fat 0 g
Cholesterol 0 mg 0%
Sodium 2.5 mg 0%
Total Carbohydrates 18.3 g 6%
Dietary Fiber 0.9 g 3%
Sugars 15.0 g
protein 1.4 g 2%
Vitamin D 0 mcg 0%
Calcium 16.9 mg 1%
Iron 0.3 mg 1%
Potassium 271.2 mg 5%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Food Attributes

🧂 Low sodium
🧂 Low salt
🍞 Low carbs

Source of Calories

89.8%
6.9%
3.3%
Fat: 2 cal (3.3%)
Protein: 5 cal (6.9%)
Carbs: 73 cal (89.8%)

About Slice of watermelon

Watermelon is a refreshing fruit native to West Africa, now cultivated worldwide and enjoyed in various cuisines, especially during summer months. It belongs to the Cucurbitaceae family and has a high water content (about 92%), making it hydrating and low in calories. A typical slice of watermelon provides vitamins A and C, potassium, and small amounts of B vitamins while being virtually fat-free. It also contains antioxidants like lycopene, which contribute to its characteristic red color. A 100-gram serving of watermelon contains approximately 30 calories, making it a nutrient-dense choice for snacking or as part of fruit salads, smoothies, or sorbets.

Health Benefits

  • Hydration support due to high water content (92%), essential during hot weather and for overall fluid balance.
  • Rich in vitamin C (8.1 mg per 100 g), which supports immune health and collagen production for healthy skin.
  • Contains lycopene (4532 µg per 100 g), an antioxidant linked to improved heart health and reduced risk of certain cancers.

Dietary Considerations

Allergens: None known
Suitable for: Vegan, vegetarian, paleo, gluten-free
Not suitable for: Low-carb, keto

Selection and Storage

Store whole watermelons at room temperature. Once sliced, refrigerate in an airtight container and consume within 3–5 days for maximum freshness.

Common Questions About Slice of watermelon Nutrition

Is a slice of watermelon high in protein?

A slice of watermelon is not high in protein; it contains approximately 0.6 grams of protein per 100 grams. Watermelon is primarily composed of water (about 90%) and is better known for being hydrating rather than high in protein.

Can I eat a slice of watermelon on a keto diet?

Watermelon is relatively low in carbs compared to other fruits, with about 7.6 grams of carbs per 100 grams, but it may not be ideal for stricter keto diets. For those following a more flexible low-carb plan, it can be enjoyed in moderation as a refreshing treat.

What are the health benefits of eating a slice of watermelon?

Watermelon is rich in vitamins A and C, which support eye health and boost the immune system. It also contains antioxidants like lycopene, which may reduce inflammation and support heart health. Its high-water content aids hydration and digestion.

What is the recommended serving size for watermelon?

A typical serving size of watermelon is about one cup of diced pieces, which weighs approximately 150 grams and contains around 46 calories. For slices, aim for a wedge about 1-inch thick or a portion equivalent to half a small plate.

How does watermelon compare to other fruits like cantaloupe or honeydew?

Watermelon has a similar caloric content (46 calories per cup) to cantaloupe (53 calories per cup) but contains less sugar than honeydew. It’s also higher in water content, making it one of the most hydrating options, while other melons provide more fiber.

Data Sources & Scientific References

Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.

Additional Authoritative Sources:

Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.

About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.