Calories in Onions
The favorite choice for the term "Onions" is 1/2 cup of chopped Onions which has about 34 calories. Calorie and nutritional information for a variety of types and serving sizes of Onions is shown below.
Popular Serving Sizes of Onions

Fat(g) Carbs(g) Prot(g) Cals
1 tbsp chopped 0.01 1.01 0.09 4
1 slice 0.01 1.42 0.13 6
1 small 0.06 7.08 0.64 29
1 medium 0.09 11.12 1.01 46
1 large 0.12 15.16 1.38 63
1/2 cup chopped 0.06 8.09 0.74 34
1 cup chopped 0.13 16.18 1.47 67
1 oz 0.02 2.87 0.26 12

Other Popular Types of Onions

Fat(g) Carbs(g) Prot(g) Cals
Red Onions 0.06 8.09 0.74 34
Green Onions 0.10 3.67 0.92 16
Spring Onions or Scallions 0.10 3.67 0.92 16
Cooked Onions 0.20 10.61 1.42 46
Sauteed Onions 2.04 10.67 1.43 62
Creamed Onions 4.66 11.15 2.60 93

Other Common Suggestions

Fat(g) Carbs(g) Prot(g) Cals
1 package (10 oz) Frozen Onions 0.28 19.34 2.24 82
1 portion Fried Onion Rings 15.51 31.32 3.70 276
1 oz Welsh Onions 0.11 1.84 0.54 10
1 oz Sweet Onions 0.02 2.14 0.23 9


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More Nutrition Info for Onions