How many calories are in onion?

Onion, mature, white skinned, peeled, fresh, raw contains approximately 31 calories (128 kJ) per 100g, according to the Australian Food Composition Database.

How much protein is in onion?

There are 1.7g of protein per 100g of onion, mature, white skinned, peeled, fresh, raw.

How much sugar is in onion?

Onion, mature, white skinned, peeled, fresh, raw contains 4.7g of total sugars per 100g, making it low in sugar.

How much fat is in onion?

Onion, mature, white skinned, peeled, fresh, raw has 0.1g of total fat per 100g.

Is onion high in fibre?

Onion, mature, white skinned, peeled, fresh, raw contains 2.1g of dietary fibre per 100g.

Onion, mature, white skinned, peeled, fresh, raw

A bulb with thin outer layers of white skin and layers of white flesh tightly wrapped together. Edible portion includes flesh only. Uncooked.

Vegetable products and dishesSource: Analysed

Energy with dietary fibre

128kJ

Protein

1.7g

Fat, total

0.10g

Total dietary fibre

2.1g

Total sugars

4.7g

Sodium

8.0mg

Per 100g of edible portion

Quick FAQ

How many calories are in onion?: Onion, mature, white skinned, peeled, fresh, raw contains approximately 31 calories (128 kJ) per 100g, according to the Australian Food Composition Database.
How much protein is in onion?: There are 1.7g of protein per 100g of onion, mature, white skinned, peeled, fresh, raw.
How much sugar is in onion?: Onion, mature, white skinned, peeled, fresh, raw contains 4.7g of total sugars per 100g, making it low in sugar.
How much fat is in onion?: Onion, mature, white skinned, peeled, fresh, raw has 0.1g of total fat per 100g.
Is onion high in fibre?: Onion, mature, white skinned, peeled, fresh, raw contains 2.1g of dietary fibre per 100g.

Complete Nutrient Profile

Energy

Nutrient	Per 100g
Energy with dietary fibre	128 kJ
Energy, without dietary fibre	111 kJ

Proximates

Nutrient	Per 100g
Moisture	90.3 g
Protein	1.7 g
Nitrogen	0.27 g
Fat, total	0.10 g
Total dietary fibre	2.1 g
Alcohol	0 g
Available carbohydrate, without sugar alcohols	4.7 g
Available carbohydrate, with sugar alcohols	4.7 g

Carbohydrates

Nutrient	Per 100g
Fructose	1.6 g
Glucose	2.2 g
Sucrose	0.90 g
Maltose	0 g
Lactose	0 g
Total sugars	4.7 g
Added sugars	0 g
Free sugars	0 g
Starch	0 g
Inulin	1.7 g

Minerals

Nutrient	Per 100g
Aluminium	0 ug
Arsenic	0 ug
Calcium	24.0 mg
Chromium	0.70 ug
Chloride	30.0 mg
Copper	0.04 mg
Fluoride	35.0 ug
Iodine	0 ug
Iron	0.26 mg
Magnesium	12.0 mg
Manganese	0.11 mg
Molybdenum	0.80 ug
Nickel	4.0 ug
Phosphorus	32.0 mg
Potassium	162 mg
Selenium	0 ug
Sodium	8.0 mg
Zinc	0.20 mg
Retinol	0 ug
Vitamin A retinol equivalents	1.0 ug
Biotin	0 ug
Cystine plus cysteine	83.0 mg/gN
Cystine plus cysteine	22.0 mg

Vitamins

Nutrient	Per 100g
Alpha-carotene	0 ug
Beta-carotene	5.0 ug
Cryptoxanthin	0 ug
Beta-carotene equivalents	5.0 ug
Thiamin	0.04 mg
Riboflavin	0.02 mg
Niacin	0.40 mg
Niacin derived from tryptophan	0.42 mg
Niacin derived equivalents	0.82 mg
Pantothenic acid	0.16 mg
Pyridoxine	0.04 mg
Cobalamin	0 ug
Folate, natural	6.0 ug
Folic acid	0 ug
Total folates	6.0 ug
Dietary folate equivalents	6.0 ug
Vitamin C	7.0 mg
Cholecalciferol	0 ug
Ergocalciferol	0 ug
25-hydroxy cholecalciferol	0 ug
25-hydroxy ergocalciferol	0 ug
Vitamin D3 equivalents	0 ug
Alpha tocopherol	0 mg
Vitamin E	0 mg

Fatty Acids

Nutrient	Per 100g
Total saturated fatty acids	0 g
Total monounsaturated fatty acids	0 g
C18:2w6	0 g
C18:3w3	0 g
C20:5w3	0 mg
C22:5w3	0 mg
C22:6w3	0 mg
Total polyunsaturated fatty acids	0 g
Total long chain omega 3 fatty acids	0 mg
Total trans fatty acids	0 mg

Amino Acids

Nutrient	Per 100g
Alanine	42.0 mg
Arginine	199 mg
Aspartic acid	134 mg
Glutamic acid	438 mg
Glycine	42.0 mg
Histidine	27.0 mg
Isoleucine	33.0 mg
Leucine	58.0 mg
Lysine	83.0 mg
Methionine	13.0 mg
Phenylalanine	65.0 mg
Proline	29.0 mg
Serine	49.0 mg
Threonine	40.0 mg
Tyrosine	33.0 mg
Tryptophan	25.0 mg
Valine	40.0 mg

Organic Acids

Nutrient	Per 100g
Citric acid	0.20 g
Lactic acid	0 g
Malic acid	0.20 g
Oxalic acid	0 g
Quinic acid	0 g

Other

Nutrient	Per 100g
Ash	0.60 g
Caffeine	0 mg
Cholesterol	0 mg

Related Foods

Source: Australian Food Composition Database (AFCD) Release 3, FSANZ. Food key: F006243. All values per 100g of edible portion.