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
Meninno Brothers Gourmet Foods, Frittata, Tomato, Asparagus, Leek Big Y Foods Inc. 142 7.1 g 5 g 10.6 g
Grilled Chicken Strips Big Y Foods Inc. 112 20.8 g 1.8 g 2.4 g
Classic Italian Meatballs With Spaghetti And Marinara Sauce Big Y 137 9.7 g 11.4 g 5.7 g
Beef Shepherd's Pie Big Y 118 6.5 g 10 g 5.3 g
North Atalantic Haddock Chowder Fresh Soup Big Y 106 5.7 g 5.7 g 6.9 g
Braunschweiger Troyer's 123 15.8 g 1.8 g 5.3 g
Panera Bread, Asiago Ranch Dressing With Yogurt Arcobasso Foods Inc. 300 3.3 g 6.7 g 30 g
Panera Bread, Southwest Caesar Dressing Arcobasso Foods Inc. 400 3.3 g 6.7 g 36.7 g
Northernlights Pizza Company's, Amazing Sauce, Garlic Butter Arcobasso Foods Inc. 867 0 g 0 g 93.3 g
Asian Sesame Vinaigrette Dressing Panera 167 0 g 10 g 15 g
Vinaigrette salad dressing Arcobasso Foods Inc. 500 0 g 13.3 g 50 g
Zweigle's, Hot Dog Sauce Lanovara Specialty Foods Inc. 100 0 g 26.7 g 0 g
Wasabi mix Mountain Man Nut & Fruit Co. 500 20 g 40 g 20 g
Refried Beans Tio Franco 77 4.6 g 13.8 g 0.38 g
Maker's mark, gourmet sauce, bourbon Maker's Mark 106 0 g 21.2 g 0 g
Barbecue sauce Bull's Eye 143 0 g 37.1 g 0 g
Barbecue sauce Bull's Eye 129 0 g 28.6 g 0 g
Everyday Bbq Sauce BULL'S-EYE 143 0 g 34.3 g 0 g
Original BBQ Sauce Bull’s Eye 167 0 g 38.9 g 0 g
Zesty 4 Cheese Pizza Celeste 250 6.1 g 32.4 g 11.5 g
Vegetable Pizza Celeste 226 4.4 g 30.8 g 9.4 g
Supreme Pizza Celeste 225 5.3 g 27.8 g 10.1 g
Sausage And Egg Scramble Aunt Jemima 145 4.7 g 13 g 7.8 g
Ham And Egg Scramble Aunt Jemima 124 4.7 g 13 g 5.7 g
Crab Cakes Van De Kamp's 183 8.5 g 22 g 6.1 g
Crispy Haddock Fillets Van De Kamp's 231 11.5 g 21.2 g 10.6 g
Crispy Battered Fillets Van de Kamp's 209 6.4 g 20.9 g 10.9 g
Fish Fingers VandeKamp's 196 8.8 g 20.6 g 8.8 g
Crunchy Fish Sticks Van De Kamp's 242 10.5 g 23.2 g 10.5 g
Crunchy Fish Fillets Van De Kamp's 222 7.4 g 24.1 g 10.2 g
Crunchy Fish Fillets Van De Kamp's 250 11.1 g 25 g 11.1 g
Crunchy Fish Fillets Van De Kamp's 222 7.4 g 24.1 g 10.2 g
Fish Sticks Van de Kamp's 242 10.5 g 24.2 g 10.5 g
Crunchy Fish Sticks Van De Kamp's 226 11.9 g 21.4 g 10.7 g
Fish Sandwich Fillets Van De Kamp's 235 10.6 g 24.7 g 10.6 g
Large fillets salmon, cracked black pepper & sea salt Van De Kamp's 181 14.2 g 15.8 g 6.3 g
Garlic Herb Cod Fillets Van De Kamp's 184 12.8 g 18.4 g 7.1 g
Beer Battered Fillets Van de Kamp's 194 6.5 g 18.5 g 11.1 g
Seasoned Fish Sticks Van De Kamp's 230 11.5 g 20.7 g 11.5 g
Seasoned Black Beans Harmons 92 6.2 g 17.7 g 0.38 g
Organic Chicken Broth Harmons Neighborhood Grocer 2 0.42 g 0 g 0.27 g
Chicken Broth Harmons Neighborhood Grocer 4 0.42 g 0 g 0.21 g
Organic Vegetable Broth Harmons Neighborhood Grocer 4 0 g 0.83 g 0 g
Arrabbiata Sauce Harmons 56 0.8 g 6.4 g 2.8 g
Premium Marinara Sauce Harmons 72 0.8 g 6.4 g 4.8 g
Roasted Red Pepper Sauce Harmons Inc 56 0.8 g 6.4 g 2.8 g
Marinara Sauce Organics 72 0.8 g 6.4 g 4.8 g
Organic Sauce Harmons 56 0.8 g 6.4 g 3.2 g

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