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, raspberry vinaigrette dressing, light Roundy's 167 0 g 16.7 g 11.7 g
Instant Yakisoba Myojo 443 8.1 g 57.6 g 20 g
Kimchi Furikake, Rice Seasoning Ajishima Foods Co. Ltd. 417 0 g 66.7 g 0 g
Snacks Hapi 429 14.3 g 67.9 g 10.7 g
Snack pea sriracha spcy Hapi 433 13.3 g 66.7 g 11.7 g
Hapi, wasabi flavored rice crackers & peanuts, wasabi, extra hot Hapi 500 10 g 63.3 g 20 g
Hapi snacks, sriracha peas, spicy, chili garlic coated green peas Hapi Snacks 433 16.7 g 63.3 g 15 g
Udon noodle soup Myojo 126 3.8 g 27.1 g 0 g
Bowl flavored udon noodles Myojo 1 3.8 g 30.3 g 0 g
Myojo, udor japanese style pre-cooked noodles with soup, hot & spicy, hot & spicy Myojo 126 3.8 g 26.4 g 0 g
Dynasty, szechwan hot & spicy quick & easy seasoning mix, szechwan hot & spicy Dynasty 333 0 g 66.7 g 0 g
Dynasty, chinese stir-fry quick & easy seasoning mix Dynasty 273 0 g 54.6 g 0 g
Pasta para sopa de fideos instantáneos sabor pollo Myojo 122 3.4 g 26.3 g 0.49 g
Pasta Para Sopa De Fideos Instantáneos Sabor Camarón MYOJO 1 4.9 g 28.8 g 0 g
Mixed cracker snacks Jfc International Inc. 429 7.1 g 75 g 10.7 g
Pasta Sauce Foodtown 55 1.6 g 9.5 g 0.79 g
French Onion With Beef Stock Condensed Soup Shur Fine 47 1.3 g 8.3 g 0.96 g
Grill Style Beans Shurfine 121 4.1 g 26 g 0 g
Grill Style Beans Shurfine 109 4.1 g 23.1 g 0 g
Grill Style Firesides Beans Shurfine 106 4.1 g 22.5 g 0 g
Firesides Grill Style Beans Shurfine 114 4.1 g 24.3 g 0 g
Salsa Bowls Shur Fine 54 2.7 g 10.8 g 0 g
Restaurant Style Salsa Bowls Shur Fine 43 2.7 g 8.1 g 0 g
Salsa Bowls Shurfine 54 2.7 g 10.8 g 0 g
Potato chips, cheddar & sour cream, cheddar & sour cream Shur Fine 536 7.1 g 57.1 g 32.1 g
Shurfine, stuffing mix, turkey Shurfine 393 10.7 g 75 g 3.6 g
Shurfine, toasted onion dip, sour cream Shurfine 200 3.3 g 6.7 g 20 g
Shurfine, dill dip ranch, sour cream Shurfine 200 3.3 g 6.7 g 16.7 g
Chicken Broth Shurfine 1 0.18 g 0.18 g 0 g
Shurfine, minced fish sticks, crunchy Shurfine 228 11.4 g 22.8 g 10.1 g
French Onion Dip Shurfine 720 13.7 g 27.4 g 61.7 g
Crunchy Fish Sticks Mrs. Paul's 242 10.5 g 23.2 g 10.5 g
Crunchy Breaded Fillets Mrs. Paul's 222 7.4 g 24.1 g 10.2 g
Light Breaded Flounder Fillets Mrs. Paul's 197 10.5 g 17.1 g 9.2 g
Lightly Breaded Haddock Fillets Mrs. Paul's 204 15 g 17.7 g 8 g
Beer Battered Fillets Mrs. Paul's 213 6.5 g 17.6 g 12 g
Crunchy Fish Sticks Mrs. Paul's 238 11.9 g 21.4 g 10.7 g
Mrs. Paul's, 100% Whole Lightly Breaded Tilapia Fillets Pinnacle Foods Group Llc 177 12.4 g 18.6 g 5.3 g
Crunchy Fish Fillets Mrs. Paul's 188 7.7 g 18 g 9.4 g
Cracked Black Pepper & Sea Salt Salmon Mrs. Paul's 181 14.2 g 15.8 g 6.3 g
Garlic Herb Cod, Garlic Mrs. Pauls 184 12.8 g 18.4 g 7.1 g
Mrs. paul's, tilapia fillets, mediterranean, mediterranean Mrs. Paul's 191 14.2 g 18.4 g 7.1 g
Tilapia With A Parmesan & Roasted Garlic Crust Mrs. Paul's 199 14.2 g 18.4 g 7.1 g
Lemon Pepper Cod Mrs. Paul's 184 12.1 g 27 g 3.2 g
Crab Cakes Mrs. Paul's 183 8.5 g 22 g 6.1 g
Fish Sticks Mrs. Paul's 242 10.5 g 23.2 g 10.5 g
Original Recipe Fish Sandwich Fillets Mrs. Paul's 235 10.6 g 24.7 g 10.6 g
Ranch Seasoned Fish Steaks Mrs. Paul's 230 11.5 g 20.7 g 11.5 g

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