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
Fresh Creations, Spinach Kale Dip Lakeview Farms Llc 250 5 g 5 g 22.5 g
Greek Gourmet, Mild Giardiniera Greek Gourmet Ltd. 31 0 g 0 g 1.5 g
Pasta Sauce Angela Mia 71 1.6 g 10.3 g 2.4 g
Original Tomato Sauce Hunt's 32 1.6 g 6.5 g 0 g
Tomato Sauce, No Salt Added Hunt's 40 1.6 g 8.1 g 0 g
Breakfast Burrito Megamex Foods Llc. 273 16.2 g 26.8 g 10.6 g
Egg & Sausage Burrito Don Miguel 268 11.1 g 26.8 g 13.1 g
Breakfast Burritos Don Miguel 267 14.2 g 29.2 g 10.8 g
Breakfast Burritos Don Miguel 242 11.7 g 24.2 g 10 g
Tyson, Crafted Creations, Pork Skillet Medallions Ibp Inc. 134 17.9 g 2.7 g 6.3 g
Pork Shoulder For Carnitas Tyson 134 17 g 3.6 g 5.4 g
Crafted Pork Shoulder For Barbeque Ibp Inc. 141 14.3 g 4.8 g 7.2 g
Beef Marinara Penne Kit Tyson 123 7.9 g 15.9 g 2.8 g
Everything Bagels, Bagels Langendorf Baking Co. 282 10.6 g 48.2 g 4.7 g
Jamaican Choice, Calypso Hot Sauce Finest Food Distributing Co. 100 0 g 20 g 0 g
Jamaican Choice, Calypso Hot Sauce Finest Food Distributing Co. 100 0 g 20 g 0 g
Jerk Bbq Sauce Finest Food Distributing Co. 150 3.3 g 33.3 g 2.2 g
Rich Poppy Seed Dressing BRIANNA'S Home Style 484 0 g 22.6 g 41.9 g
Zesty french dressing Del Sol Food Company Inc. 500 0 g 13.3 g 50 g
Dijon Honey Mustard Dressing BRIANNAS 452 3.2 g 19.4 g 38.7 g
Briannas, Santa Fe Blend Dressing Del Sol Food Company Inc. 83 0 g 16.7 g 0 g
Asiago Caesar Dressing Briannas 500 3.3 g 6.7 g 50 g
Chipotle cheddar dressing Del Sol Food Company Inc. 387 3.2 g 12.9 g 35.5 g
Classic Buttermilk Ranch Dressing BRIANNAS 567 3.3 g 6.7 g 56.7 g
All Natural Salsa Arizona Pepper Products Co Inc 50 3.3 g 13.3 g 0 g
Salsa Arizona Gunslinger 33 3.3 g 6.7 g 0 g
Cheese Dip Ole Mexican Foods 267 13.3 g 6.7 g 20 g
La Banderita, Southwestern Style Mild Cheese Dip Ole Mexican Foods Inc. 267 13.3 g 6.7 g 20 g
La banderita, cheese dip Ole Mexican Foods 267 13.3 g 6.7 g 20 g
Spinach & Herbs Tortilla Wraps OLÉ 111 8.9 g 35.6 g 3.3 g
Soy Crisps, Original Bbq Glenny's 324 24.3 g 62.2 g 4.1 g
Bratwurst old world sausage Chef Martin 294 14.1 g 1.2 g 25.9 g
Bauernwurst Smoked Garlic Sausage Chef Martin 365 12.9 g 1.2 g 34.1 g
Salvadorian Brand Cured Pork Sausage Tropical 211 13.6 g 1.5 g 13.6 g
Cured Pork Sausage Tropical 234 15 g 5 g 16.2 g
Tropical, 100% Natural Sofrito Tropical Cheese Industries Inc 107 0 g 7.1 g 8.9 g
Tropical, Sofrito Cooking Base Tropical Cheese Industries Inc 107 0 g 7.1 g 8.9 g
Original Meatballs Armour 329 15.3 g 7.1 g 27.1 g
Old Fashion Loaf Eckrich 250 10.7 g 3.6 g 21.4 g
Eck salchicha picante Armour-Eckrich Meats Llc 304 10.7 g 7.1 g 26.8 g
Original meatballs Armour 329 15.3 g 7.1 g 27.1 g
Chorizo Crumbles Toppables 282 15.3 g 4.7 g 23.5 g
Deli thin-sliced rotisserie style chicken breast Healthy Ones 93 18.5 g 3.7 g 1.9 g
Alaska Salmon Burgers Trident Seafoods 150 17.7 g 1.8 g 8 g
Filets de Goberge de l'Alaska pour sandwiches Trident seafoods 212 13.3 g 21.2 g 8.9 g
All Whitefish In Liquid Broth Mother's 113 15.1 g 5.7 g 1.9 g
Hatch Mild green Chile Enchilada Sauce Hatch 49 0 g 6.6 g 2.5 g
Fire Roasted Taco Sauce MIld Hatch 33 0 g 6.7 g 0 g

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