Watermelon vs. Walnut

Nutrition comparison of Watermelon and Walnut


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of watermelon versus walnut (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in watermelon and walnut:

  • Walnut has more thiamin, riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.
  • Walnut is a great source of iron.
  • Walnut is an excellent source of calcium, dietary fiber, potassium and protein.
Detailed nutritional comparison of watermelon and walnut is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Watermelon (Watermelon, raw) and Walnut (Nuts, walnuts, english) . Have a correction or suggestions? Shoot us an email.


Image of Watermelon src
Image of Walnut src

Calories and Carbs

calories

Walnut is high in calories and watermelon has 95% less calories than walnut - watermelon has 30 calories per 100 grams and walnut has 654 calories.

For macronutrient ratios, watermelon is much heavier in carbs, much lighter in fat and similar to walnut for protein. Watermelon has a macronutrient ratio of 7:90:4 and for walnut, 9:8:84 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Watermelon Walnut
Protein 7% 9%
Carbohydrates 90% 8%
Fat 4% 84%
Alcohol ~ ~

carbohydrates

Watermelon has 45% less carbohydrates than walnut - watermelon has 7.6g of total carbs per 100 grams and walnut has 13.7g of carbohydrates.

dietary fiber

Walnut is an excellent source of dietary fiber and it has 15 times more dietary fiber than watermelon - watermelon has 0.4g of dietary fiber per 100 grams and walnut has 6.7g of dietary fiber.

sugar

Watermelon and walnut contain similar amounts of sugar - watermelon has 6.2g of sugar per 100 grams and walnut has 2.6g of sugar.

Protein

protein

Walnut is an excellent source of protein and it has 23 times more protein than watermelon - watermelon has 0.61g of protein per 100 grams and walnut has 15.2g of protein.

Fat

saturated fat

Walnut is high in saturated fat and watermelon has 100% less saturated fat than walnut - watermelon has 0.02g of saturated fat per 100 grams and walnut has 6.1g of saturated fat.

Vitamins

Vitamin C

Watermelon has 523% more Vitamin C than walnut - watermelon has 8.1mg of Vitamin C per 100 grams and walnut has 1.3mg of Vitamin C.

Vitamin A

Watermelon has 27 times more Vitamin A than walnut - watermelon has 28ug of Vitamin A per 100 grams and walnut has 1ug of Vitamin A.

Vitamin E

Watermelon and walnut contain similar amounts of Vitamin E - watermelon has 0.05mg of Vitamin E per 100 grams and walnut has 0.7mg of Vitamin E.

Vitamin K

Watermelon and walnut contain similar amounts of Vitamin K - watermelon has 0.1ug of Vitamin K per 100 grams and walnut has 2.7ug of Vitamin K.

The B Vitamins

Walnut has more thiamin, riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.

Watermelon Walnut
Thiamin 0.033 MG 0.341 MG
Riboflavin 0.021 MG 0.15 MG
Niacin 0.178 MG 1.125 MG
Pantothenic acid 0.221 MG 0.57 MG
Vitamin B6 0.045 MG 0.537 MG
Folate 3 UG 98 UG

Minerals

calcium

Walnut is an excellent source of calcium and it has 13 times more calcium than watermelon - watermelon has 7mg of calcium per 100 grams and walnut has 98mg of calcium.

iron

Walnut is a great source of iron and it has 11 times more iron than watermelon - watermelon has 0.24mg of iron per 100 grams and walnut has 2.9mg of iron.

potassium

Walnut is an excellent source of potassium and it has 294% more potassium than watermelon - watermelon has 112mg of potassium per 100 grams and walnut has 441mg of potassium.

Antioxidants and Phytonutrients

carotenoids

Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]

For specific types of carotenoids, both watermelon and walnut contain small amounts of lutein + zeaxanthin.

Watermelon Walnut
beta-carotene 303 UG 12 UG
lycopene 4532 UG ~
lutein + zeaxanthin 8 UG 9 UG

Omega-3 and Omega-6

omega 6s

Comparing omega-6 fatty acids, walnut has more linoleic acid than watermelon per 100 grams.

Watermelon Walnut
linoleic acid 0.05 G 38.093 G
other omega 6 ~ 0.063 G
Total 0.05 G 38.156 G



Customize your serving size


The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.

Note: The specific food items compared are: Watermelon (Watermelon, raw) and Walnut (Nuts, walnuts, english) .

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FAQ

Does watermelon or walnut contain more calories in 100 grams?
Walnut is high in calories and watermelon has 100% less calories than walnut - watermelon has 30 calories in 100g and walnut has 654 calories.

Does watermelon or walnut have more carbohydrates?
By weight, watermelon has 50% fewer carbohydrates than walnut - watermelon has 7.6g of carbs for 100g and walnut has 13.7g of carbohydrates.

Does watermelon or walnut contain more calcium?
Walnut is a rich source of calcium and it has 13 times more calcium than watermelon - watermelon has 7mg of calcium in 100 grams and walnut has 98mg of calcium.

Does watermelon or walnut contain more potassium?
Walnut is a rich source of potassium and it has 290% more potassium than watermelon - watermelon has 112mg of potassium in 100 grams and walnut has 441mg of potassium.

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