Watermelon Calories & Nutrition

A hydrating summer fruit that is over 90% water by weight. Among the lowest calorie-density foods you can eat.

Calories

per 1 cup diced

Protein

0.9g

Carbs

11.6g

Fat

0.3g

Macro split

Protein 7%Carbs 88%Fat 5%

Calories in Watermelon by serving size

Serving	Cal	Protein	Carbs	Fat
1 cup diced (152g)	46	0.9g	11.6g	0.3g
100 g (100g)	30	0.6g	7.6g	0.2g
1 wedge (1/16 of melon) (286g)	86	1.7g	21.7g	0.6g

Per 1 cup diced (152g)

Fiber0.6g

Sugar9.4g

Sodium1.5mg

Potassium170.2mg

92% water — extremely hydrating

Less than 50 calories per cup

Contains lycopene (the same antioxidant as tomatoes)

Want to know how many calories you should eat per day? Use our free calculators to find your daily target.

How many calories in a cup of watermelon?+

About 46 calories per cup of diced watermelon.

Is watermelon good for weight loss?+

Yes — its very high water content fills you up for almost no calories. Great hot-weather snack while cutting.

1 medium (2-5/8" diameter)

1 cup chunks

1 cup whole

LunoMeal's AI logs the calories and macros of any meal from a single photo. Free on iPhone.