Onion: nutrition facts and products

A bulb vegetable used fresh, dried or powdered.

Onion, raw contains 40 kcal per 100 g. A typical serving of 1 slice, medium, 1/8" thick (14 g) provides about 6 kcal.

Roughly 88% of its calories come from carbohydrates, with 10% from protein and 2% from fat (estimated with general energy factors).

That is more energy than the typical item in vegetables and vegetable products on FoodFactly, where the median is 35 kcal per 100 g across 866 foods.

Full details: Onion, raw nutrition facts.

40kcal per 100 g
1.1 gprotein
9.3 gcarbohydrates
0.1 gfat

Products containing onion

2,400 packaged products on FoodFactly list onion among their ingredients (Open Food Facts ingredient analysis).

FoodCaloriesProteinCarbsFat
Roundy's, select, chicken dumpling soup Roundy's 57 2.5 g 9 g 1.2 g
Tomato Basil Soup Roundy's Select 45 0.82 g 6.5 g 1.4 g
Roundy's, select, sirloin burger soup Roundy's 61 2.5 g 9.4 g 1.4 g
Roundy's, chunky, vegetable soup Roundy's 49 1.6 g 10.2 g 0 g
Extra Noodle In Chicken Broth Condensed Soup Roundy's 64 2.4 g 10.4 g 1.6 g
Chicken And Rice Condensed Soup Roundy's 40 1.6 g 6.4 g 1.2 g
Cream Of Celery Condensed Soup Roundy's 80 1.6 g 8 g 4.8 g
Cream Of Mushroom Condensed Soup Roundy's 80 1.6 g 8 g 4.8 g
Select, Chicken Stock Roundy's 8 1.7 g 0.42 g 0 g
Cream Of Chicken Condensed Soup Roundy's 64 1.6 g 9.6 g 2 g
Roundy's, 98 % fat free cream of mushroom condensed soup Roundy's 64 1.6 g 8.8 g 2 g
Condensed Homestyle Chicken Noodle Soup Roundy's 56 3.2 g 6.4 g 1.6 g
Cream Of Mushroom Condensed Soup Roundy's 56 2.4 g 7.2 g 2 g
Cube Bouillon, Chicken Roundy's 125 0 g 25 g 0 g
Roundy's, instant bouillon, chicken Roundy's 125 0 g 25 g 0 g
Sloppy Joe Original Sauce Roundy's 55 1.6 g 10.9 g 0 g
Roundy's, stuffing mix, turkey Roundy's 393 10.7 g 71.4 g 5.4 g
Roundy's, italian classics, italian style bread crumbs Roundy's 382 14.7 g 67.6 g 5.9 g
Garlic & herb parmesan quinoa Simply Roundy's 179 7.1 g 28.6 g 3.6 g
Simply roundy's, sun-dried quinoa, tomato & basil Simply Roundy's 357 14.3 g 64.3 g 3.6 g
Simply roundy's, organic quinoa, mushroom & spinach Simply Roundy's 357 14.3 g 64.3 g 3.6 g
Pasta Rings In Tomato And Cheese Sauce Roundy's 62 2.1 g 13.2 g 0.41 g
Spaghetti In Tomato And Cheese Sauce Roundy's 74 2.1 g 14.5 g 0.83 g
Spaghetti And Meatballs In Tomato Sauce Roundy's 98 3.5 g 11.4 g 3.9 g
Beef Ravioli In Tomato And Meat Sauce Roundy's 96 3.3 g 13.8 g 3.3 g
Mini Beef Ravioli In Tomato And Meat Sauce Roundy's 96 3.3 g 13.8 g 2.9 g
Pasta Rings With Meat Balls In Tomato Sauce Roundy's 37 1.6 g 4.7 g 1.3 g
Beef Ravioli In Tomato And Meat Sauce Roundy's 42 1.4 g 5.9 g 1.4 g
Mini Beef Ravioli Roundy's 96 3.3 g 14.2 g 2.9 g
Original Baked Beans With Bacon & Brown Sugar Roundy's 108 4.6 g 20.8 g 0.77 g
Pork & Beans With Tomato Sauce Roundy's 92 4.6 g 18.5 g 0.38 g
Onion Baked Beans With Bacon & Brown Sugar Roundy's 108 4.6 g 21.5 g 0.77 g
Roundy's, homestyle, baked beans, with bacon & brown sugar Roundy's 108 4.6 g 21.5 g 0.77 g
Roundy's, instant mashed potatoes, butter & herb Roundy's 348 8.7 g 78.3 g 2.2 g
Roundy's, instant mashed potatoes, roasted garlic Roundy's 348 8.7 g 78.3 g 0 g
Roundy's, quick rice, long grain & wild rice Roundy's 106 2.7 g 19.9 g 1.3 g
Thin & crispy pizza supreme Roundy's 219 9.4 g 21.9 g 10.2 g
Roundy's, woven wheats, baked crackers, rosemary & olive oil Roundy's 429 7.1 g 71.4 g 14.3 g
Roundy's, pretzel pieces, honey mustard onion Roundy's 500 7.1 g 60.7 g 21.4 g
Pretzels Flats, Honey, Mustard Onion Roundy's 393 7.1 g 78.6 g 7.1 g
Ripple potato chips Roundy's 536 7.1 g 53.6 g 32.1 g
Ripple Potato Chips, Sour Cream & Cheddar Roundy's 536 7.1 g 57.1 g 32.1 g
Roundy's, potato chips, sour cream & onion Roundy's 571 7.1 g 53.6 g 35.7 g
Roundy's, tortilla chips, nacho cheese Roundy's 536 7.1 g 57.1 g 28.6 g
Barbecue flavored potato chips Roundy's 571 7.1 g 53.6 g 35.7 g
Flavored potato chips Roundy's 536 7.1 g 57.1 g 32.1 g
Flavored potato chips, sour cream & onion Roundy's 571 7.1 g 53.6 g 35.7 g
Simply roundy's, organic grain flatbread, rosemary & sea salt Simply Roundy's 429 7.1 g 78.6 g 7.1 g

Per 100 g. Calories in kcal. n/a: not reported by the source.