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
Mild habanero pepper sauce Marie Shrap's 0 0 g 0 g 0 g
Marie sharps orange pulp habanero hot sauce Melinda's Limited 20 0 g 0 g 0 g
Marie Sharp's, Smokin Marie, Smoked Habanero Sauce, Hot & Spicy Marie Sharp's Fine Foods Ltd. 30 0 g 0 g 0 g
The Great Organic Uncured Beef Hot Dog Applegate 196 12.5 g 0 g 14.3 g
Uncured Stadium Beef Hot Dog Applegate 196 12.5 g 0 g 14.3 g
Fajita-Style Grilled Chicken Breast Strips Applegate Naturals 143 27.4 g 1.2 g 3 g
Grilled Chicken Breast Strips Applegate Farms Llc 131 27.4 g 0 g 2.4 g
Chicken Nuggets Applegate Naturals 188 12.9 g 16.5 g 8.2 g
Chicken Breast Tenders Applegate Farms Llc 56 8.9 g 9.4 g 0 g
Uncured Beef Corn Dogs Applegate Naturals 296 8.5 g 31 g 15.5 g
Chicken Breast Tenders Applegate Naturals 202 15.5 g 20.2 g 7.1 g
Chicken Nuggets Applegate Naturals 190 13.1 g 16.7 g 8.3 g
Uncured Turkey Bacon Applegate Naturals 200 33.3 g 0 g 10 g
Hickory Smoked Uncured Turkey Bacon Applegate Organics 200 33.3 g 0 g 10 g
Barbecue-flavored chicken breast, barbecue Applegat naturals 91 18.2 g 1.8 g 1.8 g
Spinach & Feta Chicken Sausage Applegate Farms Llc 176 14.1 g 1.2 g 9.4 g
Beer Bratwurst Made With Pork Applegate Naturals 394 21.4 g 3.3 g 32.9 g
Peach Jerk Chiken Sausage Applegate Naturals 192 18 g 3.9 g 11.5 g
Natural Uncured Turkey Hot Dog Applegate 119 11.9 g 0 g 8.3 g
The Great Organic Uncured Turkey Hot Dog Applegate 125 14.6 g 2.1 g 7.3 g
Uncured Beef Hot Dog Applegate 167 14.3 g 0 g 14.3 g
Applegate, the great organic uncured beef hot dog Applegate 188 12.5 g 0 g 14.6 g
Big Apple Hot Dog Applegate Naturals 196 12.5 g 1.8 g 16.1 g
Natural Uncured Chicken Hot Dog Applegate 143 16.7 g 0 g 7.1 g
The Great Organic Uncured Chicken Hot Dog Applegate 146 16.7 g 0 g 7.3 g
Mama sitas Tamarind Seasoning Mix Mama 167 0 g 33.3 g 0 g
Caldereta Spicy Sauce Mix Mama Sita's 300 0 g 60 g 0 g
Mama sita's, ginisang monggo, instant mung bean soup mix Mama 383 25 g 65 g 3.3 g
Tofubaked Marinated Baked Tofu Nasoya 140 14 g 3.5 g 7.9 g
Marinated baked tofu Nasoya 158 14 g 3.5 g 8.8 g
Marinated Baked Tofu Nasoya 140 14 g 3.5 g 7.9 g
Pork Baby Back Ribs Walnut Creek Foods 221 15 g 5.7 g 15.7 g
Walnut Creek Foods, Everything Bagels Coblentz Distributing Inc. 294 10.6 g 58.8 g 1.2 g
Veggie Crisps, Ranch Coblentz Distributing Inc. 429 3.6 g 53.6 g 25 g
Tofurky, meatless ground beef style Tofurky 164 16.4 g 10.9 g 7.3 g
Vegan Savory Gravy Tofurky 120 2.8 g 11.3 g 7.1 g
Plant-Based Deli Slices Peppered Tofurky 192 25 g 9.6 g 6.7 g
Plant-Based Deli Slice Italian Style Tofurky 192 25 g 11.5 g 4.8 g
Plant-Based Deli Slices Bologna Style TOFURKY 212 26.9 g 11.5 g 7.7 g
Slow Roasted Chick'n Lightly Seasoned Tofurky 253 25.3 g 10.7 g 13.3 g
Slow roasted chick'n barbecue Tofurky 227 21.3 g 17.3 g 9.3 g
Slow Roasted Chick'n Sesame Garlic Tofurky 240 21.3 g 13.3 g 13.3 g
Slow Roasted Chick'N Tandoori Tofurky 198 25.3 g 9.9 g 6.6 g
Slow Roasted Chick'N Thai Basil Tofurky 227 22.7 g 12 g 10.7 g
White Quinoa Veggie Burger Tofurky 182 15.2 g 16.2 g 7.1 g
Tofurky, veggie burger, spicy black bean Tofurky 182 14.1 g 14.1 g 7.1 g
Veggie Burger Tofurky 185 7.1 g 22.2 g 5 g
Beer Brats Tofurky 263 22.2 g 9.1 g 16.2 g

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