100 g of watermelon has 30 kcal, 0.6 g of protein, 7.5 g of carbs and 0.1 g of fat. One wedge (without rind) is about 290 g, with 87 kcal and 1.7 g of protein.
30kcal / 100 g
Protein 8%Carbs 100%Fat 0%
Portion
kcal
Protein
Carbs
Fat
100 g
30
0.6 g
7.5 g
0.1 g
1 wedge (without rind)290 g
87
1.7 g
21.8 g
0.3 g
1 bowl, diced150 g
45
0.9 g
11.3 g
0.2 g
Fibre
0.4 g
Sugars
6.2 g
Saturated fat
0 g
Sodium
1 mg
Potassium
112 mg
Calcium
7 mg
Iron
0.2 mg
Vitamin C
8.1 mg
Per 100 g. Source: USDA FoodData Central.
How it fits your diet
Watermelon is 91% water, so 100 g has only 30 kcal and even a big wedge is about 87 kcal. It is a refreshing summer dessert or snack but has almost no protein, so if it replaces a meal, add yogurt or cottage cheese.