Watermelon can fit keto sparingly: ~7.2g net carbs per 100g. Its high water content makes it refreshing, but portion control is essential to avoid exceeding daily carb limits.
Is Watermelon Keto?
Melons

KETO VERDICTMODERATE
Watermelon can fit keto sparingly: ~7.2g net carbs per 100g. Its high water content makes it refreshing, but portion control is essential to avoid exceeding daily carb limits.
- Net carbs (100g)7.2g
- Protein (100g)0.6g
- Fat (100g)0.2g
- Keto verdictEnjoy in moderation
NUTRITION FACTS
Per 100g (raw)
Net Carbs
7.2g
Total Carbs
8g
Fiber
0.4g
Protein
0.6g
Fat
0.2g
Calories
30
Source: USDA FoodData Central
HOW TO ENJOY IT ON KETO
- Moderate carbs: 7.2g per 100g can fit with mindful portions
- Very low calorie: ~30 kcal per 100g thanks to high water content
- Low fiber: track portions since fiber doesn’t offset much carbohydrate
- Pair with fats (e.g., feta, chia, coconut milk) to blunt glycemic impact
- Contains lycopene: antioxidant support for heart and skin
- Refreshing: great in hot weather; hydrate while keeping serving sizes small
HEALTH BENEFITS
- Rich in lycopene: powerful antioxidant linked to cardiometabolic support
- Contains citrulline: may aid blood flow and exercise performance
- Provides vitamin C: supports immunity and collagen formation
- Offers potassium: important for heart rhythm and muscle function
- Contains carotenoids (beta-carotene, lutein) for eye/skin health
- Hydration support: high water content with light electrolytes
PREPARATION SUGGESTIONS
FRESH CUBED
Cut into cubes for a hydrating snack; keep portions to about 100–150g.
FETA SALAD
Combine cubes with crumbled feta, mint leaves, and lime juice for a salty-sweet salad.
PROSCIUTTO WRAP
Wrap thin slices with cured meat for a balanced salty-sweet appetizer.
CHILLED SOUP
Blend with lime, mint, and a pinch of salt for a refreshing cold soup.
FROZEN TREAT
Freeze cubes on sticks for a naturally sweet popsicle; brush with lime juice first.
SMOOTHIE BASE
Blend with coconut milk and MCT oil for a hydrating, higher-fat keto smoothie.