Watermelon vs Pineapple
Compared on one consistent basis: per 100 g, from USDA data behind each food page.
Watermelon (Seedless) vs Pineapple: nutrition per 100 g
| Per 100 g | Watermelon (Seedless) | Pineapple |
|---|---|---|
| Calories | 30 kcal | 60 kcal |
| Protein | 0.9 g | 0.5 g |
| Carbohydrate | 7.6 g | 14.1 g |
| Fat | 0.2 g | 0.2 g |
| Fibre | 0 g | 0.9 g |
| Allergens | None listed | None listed |
Vitamins and minerals per 100 g
| Nutrient | Watermelon (Seedless) | Pineapple |
|---|---|---|
| Calcium, Ca | 7.86 mg | 12.5 mg |
| Copper, Cu | 0.05 mg | 0.1 mg |
| Folate, total | 11.93 ug | 18 ug |
| Iron, Fe | 0.02 mg | 0.05 mg |
| Magnesium, Mg | 11.45 mg | 13.38 mg |
| Manganese, Mn | 0.07 mg | 0.87 mg |
| Phosphorus, P | 17.08 mg | 5.42 mg |
| Potassium, K | 117.3 mg | 137.1 mg |
| Vitamin C, total ascorbic acid | 6.46 mg | 58.61 mg |
| Zinc, Zn | 0.1 mg | 0.11 mg |
Watermelon (Seedless) is the leaner, lower-calorie choice. Pineapple is higher in carbohydrate. That makes Watermelon (Seedless) more relevant when you want a lighter, lower-calorie option, and Pineapple when you want quicker-energy carbohydrate.
Full nutrition facts: Watermelon (Seedless) ยท Pineapple
Bottom line
Per 100 g, Watermelon provides 30 kcal, 0.9 g protein, 7.6 g carbohydrate, 0.2 g fat and 0 g fiber; Pineapple provides 60 kcal, 0.5 g protein, 14.1 g carbohydrate, 0.2 g fat and 0.9 g fiber.
Looking beyond the macronutrients, Pineapple is the better source of vitamin C (see the vitamins and minerals table below).
Pineapple has double the calories and carbohydrate and about nine times the vitamin C; watermelon is lighter, with lycopene and more water per bite.
In short: for weight loss or a bigger portion at the same calories, Watermelon. If none of those goals applies, pick by taste, price and what the recipe needs.
Want a different pair? Use the food comparison tool to compare any two foods from the same category.
Values are per 100 g from the USDA FoodData Central records behind each food page and are rounded; brands and preparation change the numbers. This comparison is educational, not medical advice.