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
Tom's, tortilla chips, nacho cheese, nacho cheese Tom's 500 7.1 g 60.7 g 25 g
Potato chips Tom's 536 7.1 g 57.1 g 28.6 g
Potato chips Tom's 536 7.1 g 53.6 g 32.1 g
Premium Organic Broccoli & Carrots Cascadian Farm 47 1.9 g 6.5 g 2.3 g
Lemon & olive tapenade hummus Food Should Taste Good 145 3.2 g 16.1 g 8.1 g
Food should taste good, brown rice crackers, roasted red pepper Food Should Taste Good 429 7.1 g 75 g 12.5 g
Food should taste good, brown rice crackers, tomato & basil Food Should Taste Good 429 7.1 g 75 g 12.5 g
Premium Organic Country Style Potatoes Cascadian Farm Organic 57 1.6 g 13.9 g 0 g
Cascadian farm organic, organic thai - style stirfry blend Cascadian Farm Organic 0 1.2 g 5.9 g 0 g
Chinese-Style Stirfry Blend Cascadian Farm Organic 38 1.3 g 6.3 g 0 g
Cheddar Tortilla Chips Food Should Taste Good 464 7.1 g 60.7 g 21.4 g
Tortilla chips Food Should Taste Good 500 7.1 g 64.3 g 21.4 g
Delpozzo, Marinara Sauce Microdaft 67 0.83 g 5.8 g 4.2 g
Creole Garlic The French Injector Inc. 67 0 g 13.3 g 0 g
Caribbean Hot Sauce El Yucateco Salsas Y Condimentos S.A. De C.V. 0 0 g 0 g 0 g
Marka hipon brand, sauteed shrimp paste, spicy Marka Hipon Brand 467 13.3 g 6.7 g 40 g
Fil-Choice, Stew Base Mix (Kare - Kare) Fitrite Incorporated 400 0 g 80 g 0 g
Fit-Choice, Tamarind Seasoning Mix, Tamarind Fitrite Incorporated 250 0 g 50 g 0 g
Mother's Choice, Spanish Chicken Rice Mix Fitrite Incorporated 250 0 g 75 g 0 g
Eggless vegan light canola mayo Spectrum 233 0 g 6.7 g 23.3 g
Sontava!, Xx Hot Sauce, Habanero Teasdale Foods Inc. 0 0 g 0 g 0 g
W.B. Williams, Georgia Style Salsa, Peach Teasdale Foods Inc. 62 0 g 15.6 g 0 g
Barbecue Sauce Jardine Foods Inc. 117 3.3 g 20 g 3.3 g
5-Star Barbecue Sauce Jardine Foods Inc. 141 3.1 g 31.2 g 0 g
Jardines, 7j queso amarillo, mild Jardines 94 0 g 9.4 g 6.3 g
7j Salsa Jardines 31 0 g 6.3 g 0 g
7j ranch tomatillo salsa Jardines 31 0 g 3.1 g 0 g
Small Batch Teasdale Foods Inc. 31 0 g 6.3 g 0 g
Summer Corn Medley Jardine's 109 3.1 g 21.9 g 0 g
Salsa Jardine's 47 0 g 12.5 g 0 g
7j texasalsa Jardines 31 0 g 6.3 g 0 g
Sriracha salsa Jardines 31 0 g 9.4 g 0 g
Jardines, 7j ranch black bean & corn salsa, medium Jardines 62 3.1 g 12.5 g 0 g
Medium salsa Jardines 47 0 g 9.4 g 0 g
Jardine's, street taco sauce, mild Jardine's 33 0 g 6.7 g 0 g
Jardines, Street Taco Verde Sauce, Med Teasdale Foods Inc. 33 0 g 6.7 g 0 g
Salsa Jardine Foods Inc. 109 0 g 9.4 g 6.3 g
Simply natural campfire roasted salsa Jardine Foods Inc. 31 0 g 6.3 g 0 g
Salsa Jardines 31 0 g 6.3 g 0 g
Southwest cilantro Jardines 31 0 g 6.3 g 0 g
Wild herring in wine sauce Vita Food Products Inc. 161 12.5 g 12.5 g 7.1 g
Wild Herring In Real Sour Cream Vita Food Products Inc. 227 9.8 g 19.5 g 12.2 g
Wild Herring In Real Sour Cream Vita Food Products Inc. 196 12.5 g 8.9 g 12.5 g
Wild Herring In Wine Sauce Vita Food Products Inc. 285 21.7 g 21.7 g 12.4 g
Jim Beam, Bourbon Lime Tilapia Fillets Vita Food Products Inc. 275 16.2 g 4.2 g 6.3 g
Bourbon Blackened Tilapia Jim Beam 106 20.4 g 1.8 g 2.2 g
Fire Roasted Tilapia Vita 113 16.9 g 4.2 g 3.2 g
Fiesta Lime Tilapia The Biggest Loser 102 18 g 0.78 g 3.1 g

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