Onion vs Potato: Which Has More Calories?

Per 100 g, Onion has 40 kcal and Potato has 77 kcal, so Onion has 48% fewer calories.

Potato has more carbohydrates (17.5 g vs 9.34 g).

Onion - calories, kcal, weight, nutrition
Onion - calories, kcal, weight, nutrition

Nutrition Facts

Onion
Serving size:
  change
one onion (110g)slice (15g)cup, sliced (115g)
5g 10g 15g 20g 30g 40g 50g 60g 80g 100g 120g 140g 160g 180g 200g 220g 250g 300g 350g 400g 450g 500g 600g 700g 800g 900g 1000g
1oz 2oz 3oz 4oz 5oz 6oz 7oz 8oz 10oz 12oz 15oz 20oz 25oz 30oz 35oz 40oz 50oz
Amount Per Serving:
Calories
% Daily Value
Total Fat g
0%
Saturated Fat g
0%
Cholesterol mg
0%
Sodium mg
0%
Total Carbohydrates g
0%
Dietary Fiber g
0%
Sugars g
Protein g
0%
Vitaminium C mg
0%
Calcium mg
0%
Iron mg
0%
Potassium mg
0%
Glycemic Index: 15
* The % Daily Value (DV) shows how much a nutrient in one serving of food contributes to your total daily diet. A 2000-calorie daily intake is used as a general guideline for nutrition advice.
Potato
Serving size:
  change
one potato (90g)cup, sliced (130g)
5g 10g 15g 20g 30g 40g 50g 60g 80g 100g 120g 140g 160g 180g 200g 220g 250g 300g 350g 400g 450g 500g 600g 700g 800g 900g 1000g
1oz 2oz 3oz 4oz 5oz 6oz 7oz 8oz 10oz 12oz 15oz 20oz 25oz 30oz 35oz 40oz 50oz
Amount Per Serving:
Calories
% Daily Value
Total Fat g
0%
Saturated Fat g
0%
Cholesterol mg
0%
Sodium mg
0%
Total Carbohydrates g
0%
Dietary Fiber g
0%
Sugars g
Protein g
0%
Vitaminium C mg
0%
Calcium mg
0%
Iron mg
0%
Potassium mg
0%
Glycemic Index: 
* The % Daily Value (DV) shows how much a nutrient in one serving of food contributes to your total daily diet. A 2000-calorie daily intake is used as a general guideline for nutrition advice.

Onion vs Potato 100g Compare

per 100g Onion Potato
Calories 40 77
Carbohydrates 9.34 g 17.49 g
Fat 0.1 g 0.09 g
Dietary fiber 1.7 g 2.1 g
Protein 1.1 g 2.05 g
Water 89.11 g 79.25 g
Calcium 23 mg 12 mg
Iron 0.21 mg 0.81 mg
Magnessium 10 mg 23 mg
Potassium 146 mg 425 mg
Sodium 4 mg 6 mg
Vitaminium A 2 IU 2 IU
Vitaminium B1 (Thiamine) 0.046 mg 0.081 mg
Vitaminium B2 (riboflavin) 0.027 mg 0.032 mg
Vitaminium B3 (Niacin) 0.116 mg 1.061 mg
Vitaminium B5 0.123 mg 0.279 mg
Vitaminium B6 0.12 mg 0.298 mg
Vitaminium B9 (Folic acid) 0.019 µg 0.015 µg
Vitaminium C 7.4 mg 19.7 mg
Vitaminium E 0.02 mg 0.01 mg
Beta karoten 1 µg 4 µg

Less Calories in Onion

At first glance, you can see that in onion is much less calories than in potato.

Onion has 40 kcal per 100g and potato 77 kcal per 100g so it is pretty easy to calculate that the difference is about 93%.

In onion and in potato most calories came from carbs.

See tables below to compare onion with potato in details.

Onion 100g

40kcal

Calories source

  • 88% CARBS.
  • 10% PROTEIN
  • 2% FAT
Onion calories per:
100g | ounce | single piece | slice | cup | sliced

Potato 100g

77kcal

Calories source

  • 89% CARBS
  • 10% PROTEIN
  • 1% FAT
Potato calories per:
100g | ounce | single piece | cup | sliced

Compares of onion

Compares of potato

Related foods:

Related compares:

About the data

Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.

Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.