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
Liquid Eggs Lucerne Farms 54 8.9 g 0 g 0 g
Liquid Eggs Lucerne Farms 54 8.9 g 0 g 0 g
Cream Cheese Spread With Garden Vegetable Lucerne 267 3.3 g 6.7 g 26.7 g
Chive & Onion Cream Cheese Spread Lucerne 258 3.2 g 3.2 g 25.8 g
Taco Blend with Taco Seasoning Monterey Jack Cheese with Seasoning finely shredded Lucerne 357 25 g 3.6 g 28.6 g
6 - Layer Dip Signature Cafe 117 3.3 g 10 g 8.3 g
Caramelized onion topped hummus Signature Cafe 214 3.6 g 14.3 g 16.1 g
Turkey Meatloaf Entree Signature Cafe 120 17.6 g 7 g 4.9 g
Whole roasted chicken signature chef 190 23.8 g 0 g 10.7 g
Homestyle Meatloaf Signature 238 13.1 g 9.5 g 16.7 g
Scalloped potatoes Signature Cafe 143 4.3 g 10.7 g 9.3 g
Creamed Spinach With Asiago Cheese Signature Select 91 2.7 g 5.5 g 6.4 g
Classic Potato Salad The Deli Center 157 2.1 g 12.9 g 10.7 g
Classic Cole Slaw Dressing Signature Cafe 140 1 g 17 g 8 g
Mustard Potato Salad The Deli Counter 114 2.1 g 12.9 g 6.4 g
Potato Salad Classic Signature Select 157 2.1 g 12.9 g 10.7 g
Potato salad Signature Cafe 157 2.1 g 17.1 g 9.3 g
Southern Potato Salad Signature Cafe 185 1.5 g 17.8 g 11.1 g
Potato salad Signature Cafe 157 2.1 g 17.1 g 9.3 g
Macaroni salad Signature Cafe 221 3.6 g 24.3 g 12.9 g
Parmesan Risotto Signature Cafe 144 0 g 15.6 g 7.1 g
Salsa Fresca Signature Cafe 17 0 g 3.5 g 0 g
Salsa Fresca Signature Cafe 17 0 g 3.5 g 0 g
Salsa Fresca Signature Cafe 17 0 g 3.5 g 0 g
Loaded Mashed Potatoes Signature Cafe 129 4 g 16.9 g 5.7 g
Beef Shepherd's Pie Signature Cafe 152 8.6 g 10.1 g 7.6 g
Salad With Chicken & Bacon Signature Cafe 130 7 g 4 g 10 g
Asian Style Salad With Chicken Signature Cafe 98 5.9 g 9.8 g 4.4 g
Spinach Salad With Bacon Signature Cafe 160 6 g 8 g 12 g
Thai Style Salad With Chicken Signature Cafe 127 6.9 g 11.8 g 7.8 g
Greek style salad Signature Cafe 70 2 g 6 g 3.5 g
Jalapeno Ranch Salad With Beef Signature Cafe 140 6 g 5 g 10 g
Southwest Style Salad With Chicken Signature Cafe 120 5 g 11 g 7 g
Lucerne dairy farms, cheddar cheese with peppers & seasoning, hot habanero Lucerne 393 25 g 0 g 32.1 g
Citrus Kale Salad With Chicken Signature Cafe 99 7.5 g 7 g 4.2 g
Seasoned tater puffs shredded potatoes, seasoned Safeway Kitchens 190 2.4 g 22.6 g 9.5 g
Diced hash brown potatoes with onions and peppers, potatoes o'brien Safeway Inc. 71 1.2 g 16.7 g 0 g
Five cheese hearth-baked italian inspired garlic bread, five cheese hearth-baked Signature Select 327 11.5 g 38.5 g 13.5 g
Garlic Toast Five Cheese Signature Select 326 10.9 g 37 g 15.2 g
Cheese Pizza Safeway Inc. 250 11.3 g 26.6 g 11.3 g
Thin & Crispy Crust Supreme Pizza Safeway Inc. 255 11 g 24.1 g 12.4 g
Pepperoni Pizza Safeway Inc. 275 12.2 g 25.2 g 13.7 g
Thin & Crispy Crust Sausage Pizza Safeway Inc. 261 11.6 g 23.9 g 13 g
Sweet And Sour Chicken Gourmet Skillet Meal Signature Select 103 5.9 g 12.9 g 2.7 g
Stuffing mix Safeway Kitchens 393 14.3 g 75 g 3.6 g
Sun Dried Tomatoes Signature Select 250 7.1 g 35.7 g 14.3 g
Italian Sausage & Caramelized Onion Pizza Signature Select 252 10.9 g 23.5 g 12.6 g
Flatbread Crust Pizza Signature Select 221 10.7 g 22.9 g 9.2 g

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