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
Chung's, White Meat Chicken Egg Rolls, Garlic Ginger Chung's Foods Inc. 173 5.8 g 28.8 g 3.9 g
Chicken Fried Rice Chung's 38 1.9 g 6.2 g 0.62 g
Pork Egg Rolls Chung's Gourmet Foods 198 7 g 27.9 g 5.8 g
Vegetable Egg Rolls with Dipping Sauce Chung's 192 5.2 g 29.1 g 6.4 g
Shrimp Egg Roll Chung's 194 6.5 g 28.8 g 5.9 g
Spicy White Meat Chicken Egg Rolls Chung's Gourmet Foods 186 7 g 27.9 g 4.7 g
Goetta Dawg Sausage Queen City Sausage & Prov. 275 17.6 g 8.8 g 18.7 g
Marinara Sauce Capellino 40 0.89 g 6.3 g 0.89 g
Tandoor Chef, Chicken Biryani Deep Foods Inc. 170 12 g 18 g 5.3 g
Chicken Tikka Masala Deep Indian Kitchen 145 9.8 g 15.7 g 5.1 g
Vegetable Pad Thai, Tangy Spicy Stir-Fried Rice Noodles Mixed With Select Vegetables Deep Foods Inc. 192 3.9 g 28.2 g 7.5 g
Spinach Paneer deep indian kitchen 141 6 g 13.4 g 7.4 g
Channa Masala Tandoor Chef 106 3.5 g 12.7 g 4.9 g
Balanced Vegetarian Kofta Curry Tandoor Chef 50 1.3 g 5.9 g 2.4 g
Naan pizza egglant Tandoor Chef 252 10.2 g 34.6 g 7.9 g
The Original Nan Pizza, Spinach & Paneer Cheese Tandoor Chef 283 10 g 38.3 g 10 g
Tandoor chef, the original naan pizza, margherita Tandoor Chef 227 9.1 g 32.7 g 6.4 g
The original naan pizza Tandoor Chef 205 8 g 36.6 g 2.7 g
Crispy Fried Onions Deep 600 6.7 g 40 g 46.7 g
Organic Roasted Garlic Pasta Sauce Wild Harvest 65 1.6 g 11.3 g 2 g
Organic Tomato Basil Pasta Sauce Wild Harvest 65 1.6 g 9.7 g 2 g
Organic Marinara Pasta Sauce Wild Harvest 65 2.4 g 10.5 g 2 g
Organic Lentil & Chickpea Soup Wild Harvest 69 3.7 g 11.4 g 1 g
Organic Vegetarian Chili Wild Harvest 53 2.5 g 9.4 g 1 g
Garden Medley, Green Beans, Cauliflower And Assorted Vegetables In A Garlic Butter Sauce Wild Harvest 96 1.7 g 7 g 7 g
Chicken Lumpia with Shrimp Shanghai ORIENTEX 110 11.8 g 11 g 2.2 g
Potato Chips Jalapeño Tim's 494 7.1 g 54.1 g 28.2 g
Tim's, potato chips, jalapeno, hot Tim's 500 7.1 g 53.6 g 32.1 g
Hawaiian kettle style potato chips mango habanero potato chips Pinnacle Foods Group Llc 500 7.1 g 64.3 g 32.1 g
Tim's, potato chips, honey bbq Tim's 500 7.1 g 64.3 g 28.6 g
Crispy & Crunchy Potato Chips Pinnacle Foods Group Llc 500 7.1 g 64.3 g 28.6 g
Tims cascade tims chips jalapeno Tim's 500 7.1 g 53.6 g 32.1 g
Hawaiian, crispy & crunchy kettle style potato chips, sweet maui onion Hawaiian 500 3.6 g 53.6 g 32.1 g
Potato chips Hawaiian 500 0 g 53.6 g 32.1 g
Tim's, Potato Chiips Pinnacle Foods Group Llc 491 5.3 g 64.9 g 28.1 g
Sweet Maui Onion Rings Hawaiian 500 3.6 g 64.3 g 25 g
Garden-Fresh Foods, Potato Salad, Mustard Garden-Fresh Foods Inc. 150 1 g 20 g 7 g
Shrimp Scampi Ocean Crown 301 10.6 g 2.7 g 27.4 g
Big win, seasoning, lemon pepper Big Win 0 0 g 0 g 0 g
Beef Broth Rita Aid 8 1.2 g 0 g 0.41 g
Beef Broth Big Win 4 0.83 g 0.42 g 0 g
Pasta Suce B4y 48 1.6 g 7.9 g 1.2 g
Traditional Pasta Sauce Big Win 48 1.6 g 8 g 1.6 g
Dry Roasted Peanuts, Salted Big Win 643 28.6 g 14.3 g 53.6 g
Cheese Sartori 393 25 g 0 g 32.1 g
Downey's potato chips Downey's 571 7.1 g 50 g 39.3 g
Tayto, Potato Crisps, Cheese & Onion Martech Enterprises Inc. 535 7.7 g 47.2 g 34.1 g
Smoked Sausage Parks Famous Flavor 323 13.8 g 6.2 g 27.7 g

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