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
Deluxe Beef Patties Jemm Burger 282 18.1 g 6.6 g 21.2 g
Deluxe Beef Patties JEMM burger 283 18.6 g 6.2 g 21.2 g
Glenmark, Steakhouse Croutons Seasoned Italian Best Chicago Meat Company Llc 450 7.1 g 57.1 g 21.4 g
Glenmark, Steakhouse Croutons, Cheese & Carlic Best Chicago Meat Company Llc 450 7.1 g 57.1 g 21.4 g
Deluxe Turkey Patties Jemm Burger 301 15.9 g 2.7 g 24.8 g
Rising Sun Farms, Dipn Spread, Smoky Cheddar Cheese Rising Sun Farm Inc. 393 3.6 g 3.6 g 39.3 g
Bbq potato chips, bbq Big Y 536 7.1 g 53.6 g 32.1 g
Whole Onions Big Y Foods Inc. 29 0.82 g 6.6 g 0 g
Lite Italian Dressing Big Y 117 0 g 10 g 8.3 g
Mexican Style Beans Big Y 92 4.6 g 16.2 g 0.77 g
Big y, cream cheese spread, cheddar, jalapeno Big Y 300 3.3 g 6.7 g 26.7 g
Cottage Cheese With Chives Big Y 106 12.4 g 4.4 g 4 g
Big y, pizza bites, cheese Big Y 235 7.1 g 35.3 g 7.1 g
Steamin Easy Vegetables Big Y 35 2.4 g 5.9 g 0 g
Potato & Egg Salad Big Y Foods Inc. 172 4 g 13.9 g 11.3 g
Potato Salad Big Y 122 0.87 g 11.8 g 7.9 g
Potato & Egg Salad Big Y 114 2.6 g 9.2 g 7.5 g
Big y, just like mom's potato salad Big Y 185 1.3 g 17.9 g 11.9 g
Skillet classics, cheeseburger macaroni hamburger dinner mix, cheeseburger macaroni Big Y 355 9.7 g 67.7 g 1.6 g
Chicken Classic Gravy Big Y Foods Inc. 32 0 g 4.8 g 1.6 g
Classic Gravy Big Y 40 0 g 4.8 g 1.6 g
Classic pork gravy Big Y 32 1.6 g 4.8 g 1.6 g
Stuffing classics, chicken stuffing mix, chicken Big Y 393 10.7 g 75 g 3.6 g
Stuffing classics, chicken stuffing mix, chicken Big Y 419 9.7 g 67.7 g 12.9 g
Stuffing classics, turkey stuffing mix, turkey Big Y 393 10.7 g 75 g 3.6 g
Stuffing Classics, Stuffing Mix For Pork Big Y 393 10.7 g 75 g 3.6 g
Chicken seasoned coating mix, chicken Big Y 375 12.5 g 62.5 g 8.1 g
Pork seasoned coating mix, pork Big Y 333 11.1 g 66.7 g 0 g
Stewed Tomatoes Big Y 24 0.81 g 5.7 g 0 g
Diced Tomatoes Big Y 25 0.83 g 4.1 g 0.41 g
Italian Style Crushed Tomatoes In Heavy Puree Big Y 33 1.6 g 6.6 g 0 g
Southwest Style Diced Tomatoes Big Y Foods Inc. 21 0.83 g 4.1 g 0 g
Italian Style Diced Tomatoes Big Y 24 0.81 g 4.1 g 0.41 g
Stewed Tomatoes Big Y 28 0.81 g 6.5 g 0 g
Italian Style Diced Tomatoes Big Y 33 0.81 g 5.7 g 0.41 g
Stewed Tomatoes Big Y 28 0.81 g 6.5 g 0 g
Tomato Sauce Big Y 25 1.6 g 4.9 g 0 g
Tomato Sauce Big Y 33 1.6 g 6.6 g 0 g
Mexican Style Taco Sauce Big Y 62 0 g 12.5 g 0 g
Chunky Salsa Big Y 30 0 g 6.1 g 0 g
Mexican Style Chunky Salsa Big Y 30 0 g 6.1 g 0 g
Chunky Salsa Big Y 30 0 g 6.1 g 0 g
Butternut Squash & Apple Soup Big Y 76 1.2 g 8.8 g 4.4 g
Chicken Parmigiana With Spaghetti Marinara Big Y 137 8.8 g 16.7 g 4.4 g
Eggplant Parmigiana Towers Big Y 154 4.4 g 19.4 g 5.7 g
Sausage, Peppers And Onions Big Y 150 8.4 g 7.1 g 9.3 g
Grilled Lemon Herb Chicken Breast Cutlet Big Y 149 26.3 g 2.4 g 3.1 g
Classic Italian Style Spaghetti With Turkey Meatballs Big Y 167 13.2 g 16.3 g 6.2 g

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