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
Chicken Broth College Inn 6 0.42 g 0.42 g 0.42 g
Beef Broth College Inn 6 0.83 g 0.42 g 0.21 g
Organic Chicken Broth College Inn 4 0.83 g 0.42 g 0 g
Cheddar Jack Baked Snack Crackers Cheez-It 500 10 g 63.3 g 23.3 g
DUOZ Sharp Cheddar & Parmesan baked snack crackers Cheez-It 500 10 g 63.3 g 23.3 g
Chicken Patties Gold'N Plump 152 18.5 g 0 g 8.6 g
Seasoned Boneless Skinless Chicken Breast Fillets Gold'N Plump 100 20.6 g 1.8 g 1.5 g
Boneless Skinless Chicken Breast Fillets Gold'N Plump 106 20.6 g 2.4 g 1.5 g
Organic Old Italian No Salt Added Spaghetti Sauce Eden 56 1.6 g 8 g 2 g
Organic Pizza Pasta Sauce Eden 42 1.7 g 8.3 g 0 g
Brown Rice & Kidney Beans, Organic Eden 85 2.3 g 17.7 g 0.77 g
Brown Rice & Pinto Beans, Organic Eden 92 3.1 g 18.5 g 0.77 g
Caribbean Rice & Beans Eden Foods Inc. 92 3.1 g 17.7 g 0.77 g
Organic Cajun Rice & Beans Eden 85 2.3 g 17.7 g 0.77 g
Brown Rice & Green Lentils Eden Foods Inc. 92 3.1 g 17.7 g 0.77 g
Organic Spanish Rice & Beans Eden 92 3.1 g 16.9 g 0.77 g
Mexican Rice & Beans Eden 69 3 g 13 g 0.59 g
Chili Vegetarian Eden Foods Inc. 32 1.4 g 6.1 g 0.16 g
Chili Made With Organic Pinto Beans, Spelt, & Spices Eden 88 4.4 g 16.8 g 0.6 g
Black Bean & Quinoa Chili Eden 76 4 g 14 g 0.8 g
Chili Made With Kidney Beans, Kamut & Spices Eden 96 5.6 g 17.2 g 0.8 g
Eden, organic lentils w/ onion, bay Eden 77 6.2 g 12.3 g 0 g
Organic Crushed Tomatoes With Roasted Onion & Garlic Eden 33 1.7 g 5 g 0 g
Bearitos, Bbq Balck Bean Corn Chips The Hain Celestial Group Inc. 536 7.1 g 46.4 g 39.3 g
Taco Seasoning Bearitos 286 0 g 57.1 g 0 g
Black Bean & Corn Salsa Harry & David 62 3.1 g 12.5 g 0 g
White Rice With Vegetables San Miguel 114 2 g 21.9 g 2 g
San Miguel, Chipotle Sauce, Medium Conservas San Miguel Sa 29 0 g 5.7 g 0 g
Medium Salsa Pico De Gallo Sauce San Miguel 33 1.7 g 6.7 g 0 g
Cracked peppercorn & herb sea salt rub Morton 200 0 g 40 g 0 g
Season-All Seasoned Salt Morton 0 0 g 0 g 0 g
Season-All Seasoned Salt Morton 0 0 g 0 g 0 g
Seasoned Salt Morton 0 0 g 0 g 0 g
Pepe's, Crispy Curls Cracklins, Chili Limon Rudolph Foods Co. Inc. 571 50 g 0 g 42.9 g
Bbq Shrimo snacks Golden Pacific Foods Inc. 500 3.6 g 67.9 g 25 g
Restaurant quality crab cakes Tampa Bay Fisheries 177 9.4 g 21.9 g 6.3 g
Boil Crawfish Complete Kit Tampa Bay Fisheries 118 10 g 9.7 g 4.2 g
Lobster Bake Tampa Bay Fisheries Inc. 27 2.1 g 2.5 g 0.95 g
Fisherman's Feast, Your Complete Kit Tampa Bay Fisheries Inc. 109 7.7 g 7.7 g 3 g
Shrimp Tampa Bay Fisheries 204 9.7 g 24.8 g 7.1 g
Jumbo snow crab, mussels, peeled shrimp and fresh cut vegetables in a flavorful broth Tampa Bay Fisheries Inc. 108 7.7 g 7.7 g 2.9 g
Breading fish case Southeastern Mills 400 6.7 g 60 g 13.3 g
Fish breading mix Southeastern Mills Inc. 400 6.7 g 60 g 13.3 g
Chicken breading mix Shore Lunch 333 6.7 g 60 g 1.7 g
Pizza Devour 265 10.2 g 30.5 g 11.5 g
Chicken & Waffles Devour 237 9.2 g 31.7 g 8 g
Cheese ravioli with sun-dried tomato cream sauce, sun-dried tomato cream sauce Devour 144 6.5 g 17.4 g 5.6 g
Italian Sausage Lasagna Devour 169 6.8 g 13 g 6.2 g

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