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
Poore brothers, kettle cooked potato chips, jalapeno Poore Brothers 536 7.1 g 60.7 g 28.6 g
Poore brothers, kettle cooked potato chips, bar.b.que Poore Brothers 536 7.1 g 60.7 g 28.6 g
Poore Brothers, Intensely Different, Kettle Cooked Potato Chips, Jalapeno Inventure Foods Inc. 500 7.1 g 53.6 g 28.6 g
Nathan's, Potato Chips Inventure Foods Inc. 536 7.1 g 60.7 g 28.6 g
Pepperidge farm crackers cheddar Pepperidge Farm 467 10 g 63.3 g 16.7 g
Jewish Rye & Pumpernickel Deli Swirl Pepperidge Farm 250 9.4 g 43.8 g 3.1 g
Jewish Rye Pumpernickel Bread Pepperidge Farm 250 9.4 g 46.9 g 3.1 g
Goldfish Baked Snack Crackers Cheddar Pepperidge Farm 464 10.7 g 67.9 g 16.1 g
Bagels Everything Pepperidge Farm 263 9.1 g 53.5 g 1.5 g
Goldfish Baked Snack Crackers Cheddar Pepperidge Farm 465 11.6 g 65.1 g 16.3 g
Goldfish COLORS SOURCED FROM PLANTS CHEDDAR PEPPERIDGE FARM 467 10 g 66.7 g 16.7 g
Goldfish Cheddar Goldfish 467 10 g 66.7 g 16.7 g
Flavor Blasted Xtra Cheddar Baked Snack Crackers Goldfish 467 13.3 g 66.7 g 16.7 g
Goldfish Baked Snack Crackers, Original Pepperidge Farm 467 10 g 66.7 g 20 g
Pizza Goldfish 467 10 g 66.7 g 16.7 g
Goldfish whole grain cheddar crackers Pepperidge Farm 467 10 g 63.3 g 16.7 g
Cheddar crackers Pepperidge Farm 467 10 g 66.7 g 16.7 g
Pepperidge farm cheddar crackers Pepperidge Farm 464 10.7 g 67.9 g 16.1 g
Goldfish Cheddar Pepperidge Farm 471 11.6 g 64.2 g 18.1 g
Goldfish Cheese Trio Pepperidge farm 467 10 g 66.7 g 16.7 g
Cheddar Goldfish 467 10 g 66.7 g 16.7 g
Goldfish Pepperidge Farm 467 6.7 g 66.7 g 20 g
Pistachios Salt & Pepper Paramount Farms 536 21.4 g 28.6 g 46.4 g
Wonderful Pistachios Wonderful 571 21.4 g 28.6 g 46.4 g
Pistachios Sweet Chili Paramount Farms 571 21.4 g 28.6 g 46.4 g
Pistachios Salt & Pepper Wonderful 533 20 g 26.7 g 46.7 g
Pistachios Paramount Farms 571 21.4 g 28.6 g 46.4 g
Wonderful salt and pepper pistachios single Paramount Farms 314 11.4 g 14.3 g 25.7 g
Wonderful, Pistachios, Sweet Chili singles Paramount Farms 286 11.4 g 14.3 g 25.7 g
American style kobe Pilot Trading Inc. 250 12.5 g 1.8 g 21.4 g
Banana Sauce Hot & Spicy Ufc 117 0 g 26.4 g 0 g
Original Santa Maria Valley Style Salsa Susie Q's Brand 33 0 g 6.7 g 0 g
Taco Seasoning Whole Foods Market 167 0 g 0 g 0 g
Whole foods market, asian cooking organic salt-free seasoning Whole Foods Market 375 25 g 50 g 12.5 g
Ball, italian-style pasta sauce mix Ball 300 0 g 80 g 0 g
White Pearl Onions Birds Eye 35 0 g 7 g 0 g
Creamed Spinach Birds Eye 89 3.2 g 5.7 g 5.7 g
Vegetables & Sauce California Blend Birds Eye 71 2.7 g 6.3 g 4.5 g
Pasta & Vegetables In A Creamy Cheese Sauce Birds Eye 111 4 g 17.5 g 3.2 g
Roasted Potatoes & Broccoli In Cheese Sauce Birds Eye 90 1.8 g 13.5 g 3.6 g
Vegetables & Shells In Garlic Butter Sauce Birds Eye 106 2.4 g 11.4 g 5.5 g
Peas & Pearl Onions In Lightly Seasoned Sauce Birds Eye 74 4.1 g 14 g 0 g
Pearl Onions With A Cream Sauce Birds Eye 48 1.6 g 7.2 g 1.6 g
Broccoli With Cheese Sauce Birds Eye 91 2.7 g 7.3 g 5.5 g
Skillet Meals - Garlic Chicken Bird's Eye Voila! 125 5.7 g 16.5 g 4 g
Birds Eye Voila! Alfredo Chicken Birds Eye 102 6 g 13 g 3.2 g
Tuscan Vegetable & Sauce Birds Eye 47 0.93 g 6.5 g 1.9 g
Green Beans & Spaetzle In Bavarian Style Sauce Birds Eye 96 2.6 g 10.3 g 4.5 g

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