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
Newman's own, pasta sauce, sweet onion, roasted garlic Newman's Own 48 1.6 g 9.7 g 1.2 g
Black Bean & Corn Salsa Newman's Own 62 3.1 g 15.6 g 0 g
Vinaigrette Newman's Own 233 0 g 23.3 g 16.7 g
Light Balsamic Vinaigrette Newman's Own 150 0 g 6.7 g 13.3 g
Honey mustard salad dressing Newman's Own 233 0 g 23.3 g 13.3 g
Sesame Ginger Low Fat Dressing Newman's Own Inc. 117 0 g 16.7 g 5 g
Lite Sun Dried Tomato Dressing Newman's Own 200 0 g 16.7 g 13.3 g
Mango salsa Newman's Own 78 0 g 18.8 g 0 g
Medium Salsa Corn Queso Newman's Own Inc. 145 3.2 g 9.7 g 9.7 g
Vinaigrette parmesan balsamic Newman's Own 367 3.3 g 6.7 g 36.7 g
Organics Marinara Pasta Sauce Newman's Own 65 1.6 g 7.3 g 3.3 g
Organic Tomato & Basil Pasta Sauce Newman's Own 65 1.6 g 7.3 g 3.3 g
Organic Lite Balsamic Vinaigrette Newman's Own 578 0 g 44.4 g 44.4 g
Roasted Garlic Balsamic Lite Vinaigrette Newman's Own 167 0 g 10 g 13.3 g
Lime Lite Vinaigrette Newman's Own Inc. 200 0 g 13.3 g 16.7 g
Fire roasted tomato & garlic pasta sauce Newman's Own 56 1.6 g 8 g 1.6 g
Farmer's Garden Salsa Newman's Own 47 3.1 g 12.5 g 0 g
Zesty Italian Vinaigrette Newman's Own 200 0 g 13.3 g 16.7 g
Chicken Parmigiana & Penne Newman's Own 132 6.8 g 14.1 g 6.2 g
Chicken Fettuccini Alfredo Newman's Own 121 7.4 g 14.4 g 3.5 g
Newman's own, complete skillet meal for two, chicken florentine & farfalle Newman's Own 109 7.9 g 12.4 g 2.9 g
Italian Sausage & Rigatoni Skillet Meal Newman's Own 150 5.6 g 14.1 g 8.2 g
Newman's own, garlic chicken, vegetables & farfalle skillet meal Newman's Own 88 6.5 g 11.8 g 2.4 g
Chicken Pad Thai Newman's Own 119 6.4 g 16.4 g 3.2 g
Newman's own, thin & crispy pizza, uncured pepperoni Newman's Own 256 12 g 24.8 g 12.8 g
Newman's own, white thin & crispy multi-grain crust with flaxseed pizza Newman's Own 246 9.7 g 27.2 g 10.5 g
Margherita Pizza Newman's Own 214 9.2 g 23.7 g 9.2 g
Newman's own, thin & crispy multi-grain crust with flaxseed pizza Newman's Own 233 12.1 g 26.7 g 8.6 g
All Natural Pizza, Thin & Crispy Multi-Grain With Flaxseed Newman's Own 211 8.6 g 25.8 g 7.8 g
Thin & crispy multi-grain crust with flaxseed pizza Newman's Own 252 10.8 g 23 g 13.7 g
Newman's own, organic pasta sauce, tomato basil Newman's Own 81 1.6 g 5.7 g 6.5 g
Common Good Marinara Organic Pasta Sauce Newman's Own 81 1.6 g 6.5 g 6.5 g
Newman's own, organic pasta sauce, roasted garlic Newman's Own 89 1.6 g 7.3 g 6.5 g
Common Good Organic Pasta Sauce Newman's Own 81 0.81 g 5.7 g 6.5 g
Vodka Organic Pasta Sauce Newman's Own Inc. 122 1.6 g 5.7 g 9.8 g
Cape cod, potato chips, sweet & spicy Cape Cod 536 7.1 g 57.1 g 28.6 g
Cape cod, kettle cooked potato chips, sweet mesquite barbeque Cape Cod 526 5.6 g 58.3 g 30.1 g
Cape cod, kettle cooked potato chips, sea salt & cracked pepper, sea salt & cracked pepper Cape Cod 508 7.5 g 60.2 g 24.4 g
Cape cod, kettle cooked potato chips, sweet & spicy jalapeno, sweet & spicy jalapeno Cape Cod 508 5.6 g 62 g 26.3 g
Cape cod, kettle cooked potato chips, sour cream & green onion Cape Cod 508 7.5 g 56.4 g 28.2 g
Cape cod, kettle cooked potato chips, sea salt & cracked pepper, sea salt & cracked pepper Cape Cod 500 7.1 g 67.9 g 21.4 g
Cape cod, kettle cooked potato chips, waffle cut farm stand ranch, waffle cut farm stand ranch Cape Cod 500 7.1 g 60.7 g 25 g
Cape cod, kettle cooked potato chips, aged white cheddar & sour cream, aged white cheddar & sour cream Cape Cod 464 7.1 g 64.3 g 21.4 g
Cape cod, kettle cooked potato chips, back bay crab seasoning Kettle 500 3.6 g 60.7 g 25 g
Potato Chips, Mature Cheddar & Caramelized Onion Cape Cod 501 6 g 57 g 26.5 g
Hand Cooked Potato Chips Mature Cheddar & Caramelized Onion Cape Cod 501 6.1 g 57.1 g 26.6 g
Cape cod, kettle cooked potato chips, sweet red chili, sweet red chili Cape Cod 500 3.6 g 60.7 g 25 g
Cape cod, kettle cooked potato chips, chipotle barbecue Cape Cod 500 3.6 g 60.7 g 25 g

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