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Watermelon seed calories

Watermelon seed, kernels, dried
156kcal
1 ounce · 28 g, kernels, dried
19%protein
7.9 gProtein
4 gCarbs
13.3 gFat
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Nutrition facts
Kernels, dried · per 28 g
Calories156 kcal
Protein7.9 g
Carbohydrate4.3 g
Fat13.3 g
Saturated fat2.7 g
Cholesterol0 mg
Sodium28 mg
Potassium181 mg
Iron2 mg

Source: USDA FoodData Central

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Verified nutrition data

Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →

Most popular watermelon seed brands in the United States
Ranked by popularity in the BodyPal database
#  Productkcal / 100 g
1Yossef Roasting Co Watermelon Seeds1.1 oz · 31 g516 kcal
2Go Raw Sprouted Watermelon Seeds1 oz · 28 g571 kcal
3Ai Tropics Watermelon Seed30 g500 kcal
4Go Raw Sprouted Watermelon Seeds With Celtic Sea Salt0.7 oz · 20 g550 kcal
588 Acres Roasted Watermelon Seed Butter2 Tbsp · 33 g576 kcal

Label values run from 500 to 576 calories per 100 g because roasting, sprouting and grinding into seed butter change how much water and oil the seeds hold.
Source: manufacturer labels / USDA FoodData Central.

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Watermelon seed FAQs
How many calories are in watermelon seeds?

A 1 oz serving of dried kernels is 156 calories. A full cup (108 g) is 602 calories.

Are watermelon seeds good for weight loss?

They are energy dense at 557 calories per 100 g, so portions stay small: 1 oz is 156 calories with 7.9 g protein and 13.3 g fat.

Watermelon seeds or sesame seeds: which has fewer calories?

Watermelon seed kernels have 557 calories per 100 g and sesame seeds 573, a difference of 16 calories.

How much protein is in watermelon seeds?

Dried kernels have 28.3 g of protein per 100 g, which is 7.9 g in a 1 oz serving.