Fries vs. Onion

Nutrition comparison of Fries and Onion


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

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

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

  • Fry has more thiamin, niacin, pantothenic acid and Vitamin B6.
  • Fry is an excellent source of dietary fiber and potassium.
  • Onion has 54.6 times less saturated fat than fry.
Detailed nutritional comparison of fries 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: Fries (Fast foods, potato, french fried in vegetable oil) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Fries src
Image of Onion src

Calories and Carbs

calories

Fry is high in calories and onion has 87% less calories than fry - onion has 40 calories per 100 grams and fry has 312 calories.

For macronutrient ratios, fries is lighter in protein, much lighter in carbs and much heavier in fat compared to onion per calorie. Fries has a macronutrient ratio of 4:53:43 and for onion, 11:87:3 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Fries Onion
Protein 4% 11%
Carbohydrates 53% 87%
Fat 43% 3%
Alcohol ~ ~

carbohydrates

Fry is high in carbohydrates and onion has 77% less carbohydrates than fry - onion has 9.3g of total carbs per 100 grams and fry has 41.4g of carbohydrates.

dietary fiber

Fry is an excellent source of dietary fiber and it has 124% more dietary fiber than onion - onion has 1.7g of dietary fiber per 100 grams and fry has 3.8g of dietary fiber.

sugar

Onion and fries contain similar amounts of sugar - onion has 4.2g of sugar per 100 grams and fry has 0.3g of sugar.

Protein

protein

Fry has 212% more protein than onion - onion has 1.1g of protein per 100 grams and fry has 3.4g of protein.

Fat

saturated fat

Onion has 54.6 times less saturated fat than fry - onion has 0.04g of saturated fat per 100 grams and fry has 2.3g of saturated fat.

trans fat

Both fries and onion are low in trans fat - fry has 0.06g of trans fat per 100 grams and onion does not contain significant amounts.

Vitamins

Vitamin C

Onion has 57% more Vitamin C than fry - onion has 7.4mg of Vitamin C per 100 grams and fry has 4.7mg of Vitamin C.

Vitamin A

Onion and fries contain similar amounts of Vitamin A - onion has 0.6ug of Vitamin A per 100 grams and fry does not contain significant amounts.

Vitamin E

Fry has 82 times more Vitamin E than onion - onion has 0.02mg of Vitamin E per 100 grams and fry has 1.7mg of Vitamin E.

Vitamin K

Onion and fries contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and fry has 11.2ug of Vitamin K.

The B Vitamins

Fry has more thiamin, niacin, pantothenic acid and Vitamin B6. Both fries and onion contain significant amounts of riboflavin and folate.

Fries Onion
Thiamin 0.17 MG 0.046 MG
Riboflavin 0.039 MG 0.027 MG
Niacin 3.004 MG 0.116 MG
Pantothenic acid 0.58 MG 0.123 MG
Vitamin B6 0.372 MG 0.12 MG
Folate 30 UG 19 UG

Minerals

calcium

Onion and fries contain similar amounts of calcium - onion has 23mg of calcium per 100 grams and fry has 18mg of calcium.

iron

Fry has 286% more iron than onion - onion has 0.21mg of iron per 100 grams and fry has 0.81mg of iron.

potassium

Fry is an excellent source of potassium and it has 297% more potassium than onion - onion has 146mg of potassium per 100 grams and fry has 579mg 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,

Fries Onion
lutein + zeaxanthin 27 UG 4 UG
beta-carotene ~ 1 UG

Omega-3 and Omega-6

omega 3s

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

Fries Onion
alpha linoleic acid 0.436 G 0.004 G
Total 0.436 G 0.004 G

omega 6s

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

Fries Onion
other omega 6 0.029 G ~
linoleic acid 4.948 G 0.013 G
Total 4.977 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: Fries (Fast foods, potato, french fried in vegetable oil) and Onion (Onions, raw) .

Fries g

()
Daily Values (%)

Onion g

()
KCAL %
calories
KCAL %
G %
carbohydrates
G %
G %
dietary fiber
G %
G sugar G
G %
total fat
G %
G %
saturated fat
G %
G monounsaturated fat G
G polyunsaturated fat G
G trans fat G
MG cholesterol MG
MG %
sodium
MG %
Vitamins and Minerals
UG %
Vitamin A
UG %
MG %
Vitamin C
MG %
IU %
Vitamin D
IU %
MG %
calcium
MG %
MG %
iron
MG %
MG %
magnesium
MG %
MG %
potassium
MG %
MG %
thiamin (Vit B1)
MG %
MG %
riboflavin (Vit B2)
MG %
MG %
niacin (Vit B3)
MG %
MG %
Vitamin B6
MG %
MG %
pantothenic acid (Vit B5)
MG %
UG %
folate (Vit B9)
UG %
UG %
Vitamin B12
UG %
MG %
Vitamin E
MG %
UG %
Vitamin K
UG %
G %
protein
G %
UG %
biotin (Vit B7)
UG %
MG %
choline
MG %
MG %
chlorine
MG %
UG %
chromium
UG %
MG %
copper
MG %
UG %
fluoride
UG %
UG %
iodine
UG %
MG %
manganese
MG %
UG %
molybdenum
UG %
MG %
phosphorus
MG %
UG %
selenium
UG %
MG %
zinc
MG %
G Water G
G Starch G
G Alcohol G


FAQ

Does onion or fries contain more calories in 100 grams?
Fry is high in calories and onion has 90% less calories than fry - onion has 40 calories in 100g and fry has 312 calories.

Does onion or fries have more carbohydrates?
By weight, fry is high in carbohydrates and onion has 80% fewer carbohydrates than fry - onion has 9.3g of carbs for 100g and fry has 41.4g of carbohydrates.

Does onion or fries contain more potassium?
Fry is a rich source of potassium and it has 300% more potassium than onion - onion has 146mg of potassium in 100 grams and fry has 579mg of potassium.