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
California Crunchies, Country Herb Almonds California Fresh 567 20 g 20 g 46.7 g
Tomato ketchup Heinz 118 0 g 29.4 g 0 g
Tomato ketchup Heinz 118 0 g 29.4 g 0 g
Barbecue sauce, barbecue Jack Daniel's 176 0 g 44.1 g 0 g
Barbecue sauce Jack Daniel's 132 0 g 32.4 g 0 g
Premium vegetarian beans in rich tomato sauce heinz 108 5.4 g 22.3 g 0.38 g
57 Glazed Chicken Sauce Heinz 118 0 g 23.5 g 0 g
Tomato ketchup, tomato Heinz 118 0 g 29.4 g 0 g
Simply tomato ketchup bottle Heinz 118 0 g 23.5 g 0 g
Home style chicken gravy Heinz 50 0 g 5 g 2.5 g
Turkey Gravy HEINZ HomeStyle 42 0 g 5 g 2.5 g
Holiday Stuffing Loaf La Brea Bakery 246 8.8 g 50.9 g 0 g
Extra Crispy French Fried Potatoes Oregon & Idaho 167 2.4 g 20.2 g 9.5 g
Spicy Sriracha Fries Seasoned French Fried Potatoes Oreida 230 2.4 g 33.3 g 9.5 g
Sweet Teriyaki Sauce & Marinade Sweet Baby Ray's 233 0 g 60 g 0 g
Honey Chipotle Barbecue Sauce Sweet Baby Ray's 216 0 g 51.4 g 0 g
Sweet Vidalia Onion Barbecue Sauce Sweet Baby Ray's 194 0 g 47.2 g 0 g
Sweet Baby Rays Steakhouse Marinade & Sauce Sweet Baby Rays 199 1.8 g 47 g 0 g
Smoked Sausage Richard's 268 14.3 g 5.4 g 21.4 g
Andouille Smoked Sausage Richard's 214 14.3 g 0 g 17.9 g
Andouille Breakfast Links Richard's 228 14 g 1.8 g 17.5 g
Tabouli Salad Fresh Creative Foods 200 1.9 g 8.6 g 18.1 g
Cheddar Squares original Annie's 467 10 g 60 g 20 g
Annies hmgrwn org bkd snck crackers chdr squares Annie's 467 10 g 60 g 23.3 g
Cheddar Squares Crackers Annie's 500 10 g 63.3 g 23.3 g
Annie's Three Cheese Mini Pizza Bagels 18 Count Annie's 238 11.9 g 29.8 g 7.1 g
Mini Pizza Bagels Three Cheese Annie's 238 11.9 g 29.8 g 7.1 g
Snack Mix Original Annie's 467 10 g 66.7 g 20 g
Annie's Whole Wheat Bunnies Baked Snack Crackers, Made with Organic Wheat Annie's 460 10 g 66 g 18 g
Cheddar Bunnies Original Annie's ORGANIC 464 10.7 g 60.7 g 21.4 g
Skinless Hot Dog With Chili Seasoning Winter Sausage Mfg. Company 232 12.5 g 3.6 g 17.9 g
Organic Bagels Epic Everything Dave's Killer Bread 274 13.7 g 46.3 g 5.3 g
Italiano lasagna Nestlé 112 6.5 g 13.5 g 3.7 g
Bell's, traditional stuffing Bell's 357 10.7 g 67.9 g 5.4 g
Fully Cooked Grilled Chicken Breast Slices With Rib Meat Fieldale Farms Corp. 155 25 g 3.6 g 3 g
Chicken Breast Chunks With Rib Meat Springer Mountain Farms 177 14.6 g 17.7 g 5.2 g
Breaded Chicken Breast Strips Springer 226 16.1 g 17.7 g 9.7 g
Voodoo Juice, Bloody Mary Mix Caldo International Inc. 39 0.56 g 8.3 g 0.28 g
Baron's International Kitchen, Caribbean Marinade Mild Jerk Sauce Caldo International Inc. 107 0 g 14.3 g 0 g
Mad dog & merrill, bold 'n sassy signature sauce, spicy Mad Dog & Merrill 171 0 g 40 g 0 g
Traditional Pasta Sauce Anna Lisa 28 0.88 g 11.5 g 0.88 g
Key Ingredient Market, Authentic Mexican Style Queso Dip Caldo International Inc. 321 14.3 g 3.6 g 28.6 g
Brooklyn Brine Co., Hop- Pickle Brooklyn Brine Co. 0 0 g 0 g 0 g
Bbq & Steak Sauce Caldo International Inc. 67 0 g 13.3 g 0 g
Salsa Caldo International Inc. 214 0 g 10.7 g 17.9 g
Scrunchy coconut chips Bare 536 3.6 g 57.1 g 32.1 g
Bare, crunchy coconut chips, sweet 'n heat Bare 567 6.7 g 60 g 33.3 g
Cajun Style Smoked Sausage Rocky Mountain Fruit & Produce 375 12.5 g 0 g 35.7 g

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