Grapes vs. Onion

Nutrition comparison of Grapes and Onion


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

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

For a quick recap of significant nutrients and differences in grapes and onion:

  • Grape has more riboflavin, however, onion contains more folate.
  • Onion has 73% less sugar than grape.
Detailed nutritional comparison of grapes and onion 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: Grapes (Grapes, red or green (European type, such as Thompson seedless), raw) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Grapes src
Image of Onion src

Calories and Carbs

calories

Onion has 42% less calories than grape - onion has 40 calories per 100 grams and grape has 69 calories.

For macronutrient ratios, grapes is lighter in protein, heavier in carbs and similar to onion for fat. Grapes has a macronutrient ratio of 4:95:2 and for onion, 11:87:3 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Grapes Onion
Protein 4% 11%
Carbohydrates 95% 87%
Fat 2% 3%
Alcohol ~ ~

carbohydrates

Onion has 48% less carbohydrates than grape - onion has 9.3g of total carbs per 100 grams and grape has 18.1g of carbohydrates.

dietary fiber

Onion has 89% more dietary fiber than grape - onion has 1.7g of dietary fiber per 100 grams and grape has 0.9g of dietary fiber.

sugar

Onion has 73% less sugar than grape - onion has 4.2g of sugar per 100 grams and grape has 15.5g of sugar.

Protein

protein

Onion and grapes contain similar amounts of protein - onion has 1.1g of protein per 100 grams and grape has 0.72g of protein.

Fat

saturated fat

Both onion and grapes are low in saturated fat - onion has 0.04g of saturated fat per 100 grams and grape has 0.05g of saturated fat.

Vitamins

Vitamin C

Onion has 131% more Vitamin C than grape - onion has 7.4mg of Vitamin C per 100 grams and grape has 3.2mg of Vitamin C.

Vitamin A

Grapes and onion contain similar amounts of Vitamin A - grape has 3ug of Vitamin A per 100 grams and onion does not contain significant amounts.

Vitamin E

Onion and grapes contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and grape has 0.19mg of Vitamin E.

Vitamin K

Onion and grapes contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and grape has 14.6ug of Vitamin K.

The B Vitamins

Grape has more riboflavin, however, onion contains more folate. Both grapes and onion contain significant amounts of thiamin, niacin, pantothenic acid and Vitamin B6.

Grapes Onion
Thiamin 0.069 MG 0.046 MG
Riboflavin 0.07 MG 0.027 MG
Niacin 0.188 MG 0.116 MG
Pantothenic acid 0.05 MG 0.123 MG
Vitamin B6 0.086 MG 0.12 MG
Folate 2 UG 19 UG

Minerals

calcium

Onion has 130% more calcium than grape - onion has 23mg of calcium per 100 grams and grape has 10mg of calcium.

iron

Onion and grapes contain similar amounts of iron - onion has 0.21mg of iron per 100 grams and grape has 0.36mg of iron.

potassium

Grape has 31% more potassium than onion - onion has 146mg of potassium per 100 grams and grape has 191mg 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,

Grapes Onion
beta-carotene 39 UG 1 UG
alpha-carotene 1 UG ~
lutein + zeaxanthin 72 UG 4 UG

Omega-3 and Omega-6

omega 3s

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

Grapes Onion
alpha linoleic acid 0.011 G 0.004 G
Total 0.011 G 0.004 G

omega 6s

Comparing omega-6 fatty acids, both grapes and onion contain small amounts of linoleic acid.

Grapes Onion
linoleic acid 0.037 G 0.013 G
Total 0.037 G 0.013 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: Grapes (Grapes, red or green (European type, such as Thompson seedless), raw) and Onion (Onions, raw) .

Grapes g

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G Water G
G Starch G
G Alcohol G


FAQ

Does onion or grapes contain more calories in 100 grams?
Onion has 40% less calories than grape - onion has 40 calories in 100g and grape has 69 calories.

Does onion or grapes have more carbohydrates?
By weight, onion has 50% fewer carbohydrates than grape - onion has 9.3g of carbs for 100g and grape has 18.1g of carbohydrates.