Beetroot vs Onion: All Nutritional Differences

Where is more calories, protein, carbs - what is more healthy?

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

More Calories in Beetroot

At first glance, you can see that in beetroot is just a little more calories than in onion.

Beetroot has 43 kcal per 100g and onion 40 kcal per 100g so it is pretty easy to calculate that the difference is about 8%.

In beetroot and in onion most calories came from carbs.

See tables below to compare beetroot with onion in details.

Beetroot And Onion Nutrition Difference

Onion vs Beetroot: Vitamins and Minerals Comparison

per 100gBeetrootOnion
Calories43 40
Carbohydrates9.56 g9.34 g
Fat0.17 g0.1 g
Dietary fiber2.8 g1.7 g
Protein1.61 g1.1 g
Calcium16 mg23 mg
Magnessium23 mg10 mg
Potassium325 mg146 mg
Sodium78 mg4 mg
Zink0.35 mg0.17 mg
Vitaminium B1 (Thiamine)0.031 mg0.046 mg
Vitaminium B2 (riboflavin)0.057 mg0.027 mg
Vitaminium B3 (Niacin)0.334 mg0.116 mg
Vitaminium B50.155 mg0.123 mg
Vitaminium B60.067 mg0.12 mg
Vitaminium B9 (Folic acid)109 mg19 mg
Vitaminium C4.9 mg7.4 mg
Vitaminium E0.04 mg0.02 mg
Beta karoten20 mg1 mg

More protein in beetroot

It is aslo easy to see see that in beetroot is more protein than in onion.

There is 1.1g per 100g of onion and 1.61g per 100g of beetroot so using simple math we can see that difference is about 46%.

More carbohydrates in beetroot

In beetroot is more carbohydrates than in onion.

There is 9.34g/100g of carbohydrates in onion and 9.56g/100g in beetroot so let me do the math for you again - difference is about 2%.

More fat in beetroot

In beetroot is more fats than in onion.

The tables above show us that there is 0.1g/100g of fats in onion and 0.17g/100g in beetroot. In this case difference is about 70%.


  • Calories43
  • Carbohydrates9.56 g
  • Fat0.17 g
  • Dietary fiber2.8 g
  • Protein1.61 g
Beetroot calories per:
100g | ounce | single piece | cup | slices | cup | boiled

Calories source

  • 83% CARBS.
  • 14% PROTEIN
  • 3% FAT


  • Calories40
  • Carbohydrates9.34 g
  • Fat0.1 g
  • Dietary fiber1.7 g
  • Protein1.1 g
Onion calories per:
100g | ounce | single piece | slice | cup | sliced

Calories source

  • 88% CARBS
  • 10% PROTEIN
  • 2% FAT

Vitamins: onion vs beetroot

Minerals: beetroot vs onion

Marcin Piotrowicz
Author of this page
Marcin Piotrowicz creator
Healthy diet and healthy lifestyle promoter

All information about nutrition on this website was created with help of information from the official United States Department of Agriculture database.

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