There are 46 calories in 1 cup of diced Watermelon. Get full nutrition facts and other common serving sizes of Watermelon including 1 oz and 100 g. Calories , fat, protein, and carbohydrate values for for Watermelons and other related foods. We would like to show you a description here but the site won’t allow us. There are 45 calories in 150 grams of Watermelon . Get full nutrition facts and other common serving sizes of Watermelon including 100 g and 10 balls.
