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
Seitan, Curry Recipe Sweet Earth 202 27.2 g 13.2 g 5.3 g
Functional Breakfast Burrito Sweet Earth Natural Foods 183 9.9 g 21.1 g 7.8 g
Big Sur Breakfast Burritos Sweet Earth Natural Foods 141 7.8 g 19.7 g 4.2 g
Functional breakfast burrito Sweet Earth Natural Foods 120 6.3 g 19.7 g 3.2 g
The Peruvian Burrito Sweet Earth Natural Foods 205 10.9 g 26.9 g 5.8 g
Veggie Burger Sweet Earth Natural Foods 195 12.4 g 23.9 g 6.2 g
Farmstand flaxbread break sandwich Sweet Earth Natural Foods 229 15.9 g 20 g 10.6 g
Teriyaki Veggie Burger Sweet Earth Natural Foods 200 16.5 g 25.9 g 4.1 g
The Santa Cruz Burrito Sweet Earth Natural Foods 202 10.1 g 30.3 g 6.6 g
Santa Fe Veggie Burger Gourmet Grain Sweet Earth 176 15.3 g 23.5 g 3.5 g
Roast Beef With Gravy Armour 93 13.2 g 4.6 g 2.3 g
Chili With Beans Armour 133 6.8 g 12.5 g 5.3 g
Original Chili With Beans Pinnacle Foods Group Llc 144 8 g 11.7 g 7.2 g
Chili No Beans Armour 133 6.3 g 8.3 g 7.1 g
Authentic Mexican Recipe Salsa Cascade Pride 36 0 g 7.1 g 0 g
La frersca, salsa, mild La Frersca 54 0 g 10.7 g 0 g
Chicken & Herb Seasoned Rice Minute 176 4 g 34.4 g 2 g
Fried rice Riviana Foods Inc. 168 3.2 g 35.2 g 2 g
Cajun King, Char-Grill Blackened Seasoning Bruce Foods Inc. 167 0 g 33.3 g 0 g
Casa Fiesta, Taco Seasoning, Mild Bruce Foods Corporation 278 11.1 g 55.6 g 5.6 g
Green Enchilada Sauce, Mild Casafiesta 33 0 g 3.3 g 1.7 g
Enchilada Sauce, Hot Casa Fiesta 33 0 g 5 g 0.83 g
Cheese Sauce Casa Fiesta 165 6 g 11.9 g 10.4 g
Jalapeno Cheese Sauce, Hot Casa Fiesta 86 3.5 g 6.9 g 6 g
All Natural Taco Sauce Casa Fiesta 33 0 g 6.7 g 0 g
Casa fiesta, tomatoes and green chiles, mild Casa Fiesta 23 0 g 4.6 g 0 g
Chili Con Carne With Beans Casa Fiesta 119 5.6 g 11.9 g 5.6 g
Taco salad seasoning Casa Fiesta 278 11.1 g 55.6 g 11.1 g
Casa fiesta, refried beans with green chili, mild Casa Fiesta 115 7.1 g 21.2 g 0.88 g
Casa fiesta, pinto beans with jalapenos Casa Fiesta 96 5.6 g 17.6 g 0 g
Casa fiesta, mexican style chili beans, medium Casa Fiesta 97 5.3 g 17.7 g 0.44 g
Medium Salsa Mon Te Zuma 36 3.6 g 10.7 g 0 g
Snack size burrito bowl Delimex 150 7.9 g 22.5 g 2.6 g
Vegetable Enchilada Snack Size Burrito Bowl Delimex 159 6.2 g 23.8 g 4.9 g
Taquitos White Meat Chicken Delimex 245 7.5 g 30.8 g 10.6 g
White Meat Chicken Taquitos Delimex 261 8.5 g 28.9 g 12.7 g
Chicken & cheese taquitos, chicken & cheese Delimex 324 10.3 g 30.9 g 17.6 g
Beef & cheese mini empanadas Delimex 314 8.6 g 27.1 g 19.3 g
Bar-B-Q Sauce Longhorn Barbecue 121 0 g 24.2 g 1.5 g
Chips, Chips, Mature Cheddar & Red Onion Kettle 503 7.1 g 51.1 g 28.9 g
Mrs. Gerry's, Old Fashioned Potato Salad Mrs. Gerry's Kitchen Inc. 190 2.4 g 15.9 g 13.5 g
Mrs. Gerry's, Old Fashioned Potato Salad Mrs. Gerry's Kitchen Inc. 190 2.4 g 15.9 g 13.5 g
Deli Fresh Potato Salad Mrs. Gerry's Kitchen 131 1.6 g 19.7 g 6.6 g
Deli Fresh Potato Salad Mrs. Gerry's Kitchen 131 1.6 g 19.7 g 6.6 g
Shepherd's Pie Blake's 138 6.7 g 13.3 g 6.3 g
Blakes Shepherds Pie Blake's 141 6.6 g 13.7 g 6.6 g
Chicken Dinner Casserole Blake's 65 4.3 g 6.8 g 2.3 g
Shepherd's Pie Blake's 137 6.2 g 14.1 g 6.2 g

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