Calories in onion
100g of onions contain about 40 calories (kcal).
Calories per:
ounce
| one onion
| slice
| cup, sliced
For example, a medium size onion (110 g) contain about 44 calories.
This is about 2% of the daily caloric intake for an average adult with medium weight and activity level (assuming a 2000 kcal daily intake).
Scroll down for details and nutrition tables.
Nutrition Facts
Onion
Serving size: medium size onion (110 g)
changemedium size onion (110 g) (110g)slice (15g)cup, sliced (115g)
5g10g15g20g30g40g50g60g80g100g120g140g160g180g200g220g250g300g350g400g450g500g600g700g800g900g1000g
1oz2oz3oz4oz5oz6oz7oz8oz10oz12oz15oz20oz25oz30oz35oz40oz50oz
Amount Per Serving:
Total Carbohydrates 10.27g
4%
* 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.
Source of calories in onion
88% CARBS
10% PROTEIN
2% FAT
To visualize how much 44 kcal actually is, keep in mind that the calorie content of medium size onion is similar to that of, for example:
- 0.5 apple
- 0.5 glass of Coca Cola (220 ml glass)
- 2 cubes of sugar
Take a quick look at the tables below for detailed information about onion nutrition.
Per 100 g, Onion is low in sodium.
Sodium is a mineral eaten mostly as salt (1 g of sodium is about 2.5 g of salt). The FDA Daily Value is 2,300 mg.
How many calories are in onions?
- Medium size onion (110 g)44 kcal
- Slice of onion (15g)6 kcal
- Onion cup, sliced (115g)46 kcal
- Ounce (oz) of onions11 kcal
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