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
Marinara Sauce Trader Joe's 18 1.9 g 4.5 g 1.3 g
British Katsu Chicken Tenders Marks & Spencer 164 16.4 g 15.4 g 3.7 g
M&S smoked tomato sauce Marks & Spencer 185 2 g 42 g 2 g
Pizza Parlanno Trader Giotto's 233 11.6 g 25.6 g 10.1 g
Cornish Cruncher Cheddar & Pickled Onion Hand Cooked Marks & Spencer 491 6.2 g 53.7 g 26.5 g
Salt marsh lamb& mint hand cook crips Marks & Spencers 495 6 g 53.4 g 27.2 g
Blackcurrant Preserve Sainsbury's taste the difference 463 6.8 g 56.5 g 26.3 g
6 Olde english farmhouse pork sausages Marks & Spencers 287 13.6 g 2.8 g 24.3 g
Trade Joe's, Spicy Black Bean Dip TRADER JOE'S 107 7.1 g 21.4 g 0 g
Thai green chicken curry soup Marks & Spencers 65 1.9 g 6.1 g 3.4 g
Chicken Chili with Beans Trader Joe's 113 7.4 g 12.5 g 3.5 g
Chicken jalfrezi & pilau Rice Marks & Spencers 136 8.2 g 14.1 g 5 g
Pineapple Salsa Trader Joe's 33 0 g 6.7 g 0 g
Rollmop Herrings Marks & Spencer 161 10.9 g 9.7 g 8.6 g
Creamy Chicken Pie Marks & Spencer 280 11.7 g 20.3 g 16.6 g
Super broccoli spinach & pea soup Marks & Spencers 34 2.1 g 2.7 g 1.3 g
Pho Noodle Pot Marks & Spencer 63 1.5 g 12.4 g 0.6 g
Ramen noodle pot Marks & Spencers 74 3 g 12.4 g 1.1 g
21 Seasoning Salute TRADER JOE'S 0 0 g 0 g 0 g
grilled Cajun chicken breast, spicy wedges & sour cream Marks & Spencers 84 8.9 g 7.8 g 1.6 g
Trader Joe's, Quiche, Spinach, Mushroom & Cheese, Spinach, Mushroom & Cheese TRADER JOE'S 271 11.8 g 22.4 g 15.3 g
Poulet Korma & Riz Pilaf Marks & Spencer 141 9.4 g 11.6 g 6 g
Salsa TRADER JOSE'S 33 0 g 10 g 0 g
Traditional Coleslaw Marks & Spencers 94 0.9 g 6.6 g 21.9 g
Lasagna al forno Marks & Spencers 176 9 g 10 g 10 g
Vegetables spring rolls Marks & Spencer 177 3.5 g 23 g 7.4 g
Pulled Pork & Chorizo Feijoada Marks & Spencers 148 10 g 16 g 4.4 g
Chunky Salsa Trader Jose's 44 0 g 11.1 g 0 g
Organic Spaghetti Sauce with Mushroom Trader Giotto's 48 1.6 g 9.6 g 0 g
Trader Joe's, Masala Simmer Sauce TRADER JOE'S 72 1.6 g 8.8 g 4 g
Aberdeen angus beef Marks & Spencers 203 12.7 g 23.9 g 6 g
Chicken Noodle Soup Trader Joe's 9 0.98 g 2.3 g 0.16 g
Spaghetti Sauce TRADER GIOTTO'S 56 1.6 g 8 g 2 g
Wrap Poulet à la Jamaïcaine Marks & Spencer 193 10 g 25.1 g 5.3 g
Golden Island, Pork Jerky, Sriracha, Sriracha GOLDEN ISLAND 357 35.7 g 28.6 g 8.9 g
Sausage PRODUCTOS LA AGUADILLANA 253 10.7 g 12 g 17.3 g
Cashews Diamond Foods 571 17.1 g 28.6 g 45.7 g
Emerald, Cashews, Salt & Pepper, Salt & Pepper EMERALD 571 17.1 g 28.6 g 45.7 g
Dry Roasted Almonds, Dry Roasted EMERALD 562 16.8 g 22.5 g 50 g
Dry Roasted Almonds, Dry Roasted EMERALD 562 16.8 g 22.5 g 44.9 g
Salt & Pepper Cashews, Salt & Pepper EMERALD 571 17.9 g 28.6 g 46.4 g
Double Crunch Seasoned Cracker-Coated Peanuts, Barbecue EMERALD 559 14.7 g 41.2 g 38.2 g
Double Crunch Seasoned Cracker-Coated Peanuts, Seasoned Salt EMERALD 559 14.7 g 41.2 g 38.2 g
Dill Pickle Cashews, Dill Pickle EMERALD 536 17.9 g 32.1 g 42.9 g
Emerald, Cashews, Salt & Pepper, Salt & Pepper EMERALD 571 17.9 g 28.6 g 46.4 g
Dill Pickle Flavor Cashews, Dill Pickle EMERALD 565 17 g 31.1 g 45.2 g
Emerald Nuts Dill Pickle Cashews, Single-Serve 1.25 Oz EMERALD 565 17 g 31.1 g 45.2 g
Jalapeno Cashews, Jalapeno EMERALD 565 17 g 31.1 g 45.2 g

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