Cauliflower vs Onion: Which Has More Calories?


Per 100 g, Cauliflower has 25 kcal and Onion has 40 kcal, so Cauliflower has 38% fewer calories.

Onion has more carbohydrates (9.34 g vs 4.97 g). Relative to calories, Cauliflower is the better protein source (7.68 g vs 2.75 g of protein per 100 kcal).

Cauliflower - calories, kcal, weight, nutrition
Cauliflower - calories, kcal, weight, nutrition

Nutrition Facts

Cauliflower
Serving size:
  change
one cauliflower (880g)cup (105g)half cup (52.5g)1 floret (35g)
5g10g15g20g30g40g50g60g80g100g120g140g160g180g200g220g250g300g350g400g450g500g600g700g800g900g1000g
1oz2oz3oz4oz5oz6oz7oz8oz10oz12oz15oz20oz25oz30oz35oz40oz50oz

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
Serving size:
  change
one onion (110g)slice (15g)cup, sliced (115g)
5g10g15g20g30g40g50g60g80g100g120g140g160g180g200g220g250g300g350g400g450g500g600g700g800g900g1000g
1oz2oz3oz4oz5oz6oz7oz8oz10oz12oz15oz20oz25oz30oz35oz40oz50oz

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.

Cauliflower vs Onion 100g Compare


per 100gCauliflowerOnion
Calories25 40
Carbohydrates4.97 g9.34 g
Fat0.28 g0.1 g
Dietary fiber2 g1.7 g
Protein1.92 g1.1 g
Calcium22 mg23 mg
Iron0.42 mg0.21 mg
Magnessium15 mg10 mg
Potassium299 mg146 mg
Sodium30 mg4 mg
Vitaminium B1 (Thiamine)0.05 mg0.046 mg
Vitaminium B2 (riboflavin)0.06 mg0.027 mg
Vitaminium B3 (Niacin)0.507 mg0.116 mg
Vitaminium B50.667 mg0.123 mg
Vitaminium B60.184 mg0.12 mg
Vitaminium B9 (Folic acid)57 µg0.019 µg
Vitaminium C48.2 mg7.4 mg
Vitaminium E0.08 mg0.02 mg

Less Calories in Cauliflower

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

Cauliflower has 25 kcal per 100g and onion 40 kcal per 100g so it is pretty easy to calculate that the difference is about 60%.

In cauliflower and in onion most calories came from carbs.

See tables below to compare cauliflower with onion in details.

Cauliflower 100g

25kcal

Calories source

  • 66% CARBS.
  • 26% PROTEIN
  • 8% FAT

Onion 100g

40kcal

Calories source

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

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.