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Pineapple vs Watermelon

Calories, macronutrients and nutrition facts compared side by side (per 100g).

Nutrition Comparison

Per 100gPineappleWatermelon
Calories50kcal30kcal
Protein0.5g0.6g
Carbs13.1g7.6g
Fat0.1g0.2g
Fiber1.4g0.4g
Sugar9.9g6.2g
Sodium1mg1mg

Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).

Key Takeaways

  • Watermelon has 20 fewer calories per 100g than Pineapple (67% less).
  • Watermelon delivers more protein (0.6g vs 0.5g per 100g).
  • Pineapple has more fiber (1.4g vs 0.4g).
  • Pineapple contains less fat (0.1g vs 0.2g).
  • Watermelon has less sugar (6.2g vs 9.9g).

Pineapple

Pineapple is a unique source of bromelain, a protein-digesting enzyme that may aid digestion and reduce inflammation. It is rich in vitamin C and manganese and provides a refreshing, low-fat way to add tropical sweetness without piling on calories.

View Pineapple nutrition →

Watermelon

Watermelon is 92% water, making it ideal for hydration on hot days. It is a leading dietary source of lycopene — an antioxidant linked to heart health and lower oxidative stress — and provides citrulline, an amino acid that supports blood-flow regulation.

View Watermelon nutrition →

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