Onions, for use on a sandwich

Onions, for use on a sandwich has 38 kcal per 100 g, with 0.9 g of protein, 8.5 g of carbs, and 0.1 g of fat.

kcal per 100 g38

Protein9% of calories
0.9 g
Carbs88% of calories
8.5 g
Fat2% of calories
0.1 g

Per portion

PortionkcalProteinCarbsFat
Guideline amount on regular sandwich15 g60.1 g1.3 g0 g
Guideline amount on large sandwich30 g110.3 g2.6 g0 g
Default serving15 g60.1 g1.3 g0 g

Also in 100 g

Sugars5.8 g
Fiber1.7 g
Salt0 g
Vitamin C8.2 mg
Vitamin B120 µg
Vitamin D0 µg

Values are from USDA FoodData Central, Food and Nutrient Database for Dietary Studies, FDC ID 2710252 (opens usda.gov in a new tab). A food you buy can differ: check its label.