WatermelonCitrullus lanatus is a plant species in the family Cucurbitaceae, a vine-like flowering plant originally from West Africa. It is cultivated for its fruit.Nutrition FactsWatermelon Watermelon Amount Per100 grams 10 watermelon balls (122 g) 1 cup, diced (152 g) 1 cup, balls (154 g) 1 NLEA serving (280 g) 1 wedge (approx 1/16 of melon) (286 g) 1 melon (15" long x 7-1/2" dia) (4,518 g) 100 grams Calories 30 % Daily Value*Total Fat 0.2 g0%Saturated fat 0 g0%Polyunsaturated fat 0.1 gMonounsaturated fat 0 gCholesterol 0 mg0%Sodium 1 mg0%Potassium 112 mg3%Total Carbohydrate 8 g2%Dietary fiber 0.4 g1%Sugar 6 gProtein 0.6 g1% Vitamin A11%Vitamin C13%Calcium0%Iron1%Vitamin D0%Vitamin B-60%Vitamin B-120%Magnesium2% *Per cent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.