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Yellow onion

Also called: Brown onion

Scientific name: Allium cepa

Quick answers

Calories, Allergies and healthiness.

Calories Low Yellow onion contains 40 calories per 100g and can be considered low in calories.
Allergy and hypersensitivity grass pollen Yellow onion can cause allergic / hypersensitivity reactions for parts of the population.
Healthiness Excellent Yellow onion is a great healthy option and can be consumed in larger amounts regularly.


Everything you need to know and a little bit more.



Storage Refrigerator
Temperature +4°C to +8°C
Shelf life / Best before 90 days


Can yellow onion be frozen? Yes
Preparation Blanch
Quality when defrosted Good
Tip: Write name and date on a label for easy oversight in the freezer.

Used in


Nutritional values per 100g

Energy 40 kcal / 167 kj
Fat 0,1 g
Saturated fat 0,04 g
Carbohydrates 9,34 g
Sugars 4,24 g
Protein 1,1 g
Salt 0 g
Nutritional values in plain text
Yellow onion has a very low amount of fat with a very low amount of saturated fat. Contains a low amount of carbohydrates and a low amount of sugars. Yellow onion contains a lesser amount of protein and has no salt at all.

Vitamins and minerals

calcium, iron, magnesium, phosphorus, potassium, zinc, copper, manganese, selenium, vitamin c, thiamin, riboflavin, niacin, pantothenic acid, vitamin b6, folate, choline, betaine, carotene, vitamin a, vitamin e, vitamin k


Yellow onion contains 0 mg kolesterol per 100g, meaning its free from cholesterol.

Allergy and hypersensitivity

Allergies No info
Cross-Reactivities grass pollen
Labeling requirement (EU) No
Labeling requirement means that the product contains allergens that have special labeling requirements. Either in the product itself or from its ingredients.


Keto friendly No
LCHF friendly Yes
Sugar free (under 0,5g) No
Fat-free (under 0,5g) Yes
Gluten-free Yes
Dairy free Yes
Lactose free Yes

Weight and volume

1 l yellow onion in grams 680 g
1 dl yellow onion in grams 68 g
1 cl yellow onion in grams 6,8 g
1 ml yellow onion in grams 0,68 g
1 tbsp yellow onion in grams 10,2 g
1 tsp yellow onion in grams 3,4 g
1 krm yellow onion in grams 0,68 g
1 kg yellow onion in liters 1,47 liters
1 hg yellow onion in dl 1,47 dl
1 g yellow onion in ml 1,47 ml
Minus Plus


Run, ride a bike or go to the gym to burn off the calories.

Running 0,67 km / 100g To burn off a 100g of yellow onion you need to run about 0,67 km at a decent tempo.
Biking 1,43 km / 100g To burn off a 100g of yellow onion you need to ride a bike about 1,43 km at a decent pace.
Swimming 12 min / 100g To burn off a 100g of yellow onion you need to swim for 12 minutes at a decent intensity.
Gym 24 min / 100g To burn off a 100g of yellow onion you need to workout for 24 minutes at a decent intensity.