Sweet Potatoes vs. Zucchini

Nutrition comparison of Sweet Potatoes and Zucchini


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

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

For a quick recap of significant nutrients and differences in sweet potatoes and zucchini:

  • Both sweet potatoes and zucchini are high in potassium.
  • Sweet potato has more beta-carotene than zucchini, however, zucchini contains more lutein + zeaxanthin than sweet potato.
  • Sweet potato has more pantothenic acid.
  • Sweet potato is a great source of dietary fiber.
  • Sweet potato is an excellent source of Vitamin A.
  • Zucchini has 4 times less calories than sweet potato.
  • Zucchini has 5.4 times less carbohydrates than sweet potato.
  • Zucchini is a great source of Vitamin C.
Detailed nutritional comparison of sweet potatoes and zucchini 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: Sweet Potatoes (Sweet potato, raw, unprepared) and Zucchini (Squash, summer, zucchini, includes skin, raw) . Have a correction or suggestions? Shoot us an email.


Image of Sweet Potatoes src
Image of Zucchini src

Calories and Carbs

calories

Zucchini has 4 times less calories than sweet potato - sweet potato has 86 calories per 100 grams and zucchini has 17 calories.

For macronutrient ratios, sweet potatoes is lighter in protein, much heavier in carbs and lighter in fat compared to zucchini per calorie. Sweet potatoes has a macronutrient ratio of 7:92:1 and for zucchini, 24:62:14 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Sweet Potatoes Zucchini
Protein 7% 24%
Carbohydrates 92% 62%
Fat 1% 14%
Alcohol ~ ~

carbohydrates

Zucchini has 5.4 times less carbohydrates than sweet potato - sweet potato has 20.1g of total carbs per 100 grams and zucchini has 3.1g of carbohydrates.

The carbs in sweet potatoes are made of 64% starch, 21% sugar and 15% dietary fiber, whereas the carbs in zucchini comprise of 71% sugar and 29% dietary fiber.

dietary fiber

Sweet potato is a great source of dietary fiber and it has 200% more dietary fiber than zucchini - sweet potato has 3g of dietary fiber per 100 grams and zucchini has 1g of dietary fiber.

sugar

Sweet potatoes and zucchini contain similar amounts of sugar - sweet potato has 4.2g of sugar per 100 grams and zucchini has 2.5g of sugar.

Protein

protein

Sweet potatoes and zucchini contain similar amounts of protein - sweet potato has 1.6g of protein per 100 grams and zucchini has 1.2g of protein.

Fat

saturated fat

Both sweet potatoes and zucchini are low in saturated fat - sweet potato has 0.02g of saturated fat per 100 grams and zucchini has 0.08g of saturated fat.

Vitamins

Vitamin C

Zucchini is a great source of Vitamin C and it has 646% more Vitamin C than sweet potato - sweet potato has 2.4mg of Vitamin C per 100 grams and zucchini has 17.9mg of Vitamin C.

Vitamin A

Sweet potato is an excellent source of Vitamin A and it has 69 times more Vitamin A than zucchini - sweet potato has 709ug of Vitamin A per 100 grams and zucchini has 10ug of Vitamin A.

Vitamin E

Sweet potatoes and zucchini contain similar amounts of Vitamin E - sweet potato has 0.26mg of Vitamin E per 100 grams and zucchini has 0.12mg of Vitamin E.

Vitamin K

Sweet potatoes and zucchini contain similar amounts of Vitamin K - sweet potato has 1.8ug of Vitamin K per 100 grams and zucchini has 4.3ug of Vitamin K.

The B Vitamins

Sweet potato has more pantothenic acid. Both sweet potatoes and zucchini contain significant amounts of thiamin, riboflavin, niacin, Vitamin B6 and folate.

Sweet Potatoes Zucchini
Thiamin 0.078 MG 0.045 MG
Riboflavin 0.061 MG 0.094 MG
Niacin 0.557 MG 0.451 MG
Pantothenic acid 0.8 MG 0.204 MG
Vitamin B6 0.209 MG 0.163 MG
Folate 11 UG 24 UG

Minerals

calcium

Sweet potato has 88% more calcium than zucchini - sweet potato has 30mg of calcium per 100 grams and zucchini has 16mg of calcium.

iron

Sweet potatoes and zucchini contain similar amounts of iron - sweet potato has 0.61mg of iron per 100 grams and zucchini has 0.37mg of iron.

potassium

Both sweet potatoes and zucchini are high in potassium. Sweet potato has 29% more potassium than zucchini - sweet potato has 337mg of potassium per 100 grams and zucchini has 261mg of potassium.

Antioxidants and Phytonutrients

flavonoids

Naturally occuring in fruits and vegetables, flavonoids are associated with many health benefits and used in a variety of medicinal and pharmaceutical applications. [2][3]

For specific flavonoid compounds,

Sweet Potatoes Zucchini
apigenin 0.01 mg ~
luteolin 0.02 mg ~
kaempferol 0.01 mg ~
myricetin 0.03 mg ~
Quercetin 0.01 mg 0.66 mg

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, sweet potato has more beta-carotene than zucchini per 100 grams, however, zucchini contains more lutein + zeaxanthin than sweet potato per 100 grams.

Sweet Potatoes Zucchini
beta-carotene 8509 UG 120 UG
alpha-carotene 7 UG ~
lutein + zeaxanthin ~ 2125 UG

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, zucchini has more alpha linoleic acid (ALA) than sweet potato per 100 grams.

Sweet Potatoes Zucchini
alpha linoleic acid 0.001 G 0.061 G
Total 0.001 G 0.061 G

omega 6s

Comparing omega-6 fatty acids, both sweet potatoes and zucchini contain small amounts of linoleic acid.

Sweet Potatoes Zucchini
linoleic acid 0.013 G 0.03 G
other omega 6 ~ 0.001 G
Total 0.013 G 0.031 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: Sweet Potatoes (Sweet potato, raw, unprepared) and Zucchini (Squash, summer, zucchini, includes skin, raw) .

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FAQ

Does sweet potatoes or zucchini contain more calories in 100 grams?
Zucchini has 4 times less calories than sweet potato - sweet potato has 86 calories in 100g and zucchini has 17 calories.

Does sweet potatoes or zucchini have more carbohydrates?
By weight, zucchini has 5.4 times fewer carbohydrates than sweet potato - sweet potato has 20.1g of carbs for 100g and zucchini has 3.1g of carbohydrates. the carbs in sweet potatoes are made of 60% starch, 20% sugar and 20% dietary fiber, whereas the carbs in zucchini comprise of 70% sugar and 30% dietary fiber.

Does sweet potatoes or zucchini contain more potassium?
Both sweet potatoes and zucchini are high in potassium. Sweet potato has 30% more potassium than zucchini - sweet potato has 337mg of potassium in 100 grams and zucchini has 261mg of potassium.