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
Less Sodium Chicken Broth Kroger 4 0.51 g 0.51 g 0 g
Vegetable Broth The Kroger Co. 3 0.51 g 0.51 g 0 g
Kroger, roasted red pepper, vinaigrette dressing with parmesan Kroger 156 0 g 15.6 g 10.9 g
Sloppy Joe Mix Kroger 333 0 g 66.7 g 0 g
Red Salsa Peakfection 102 0 g 25.5 g 0 g
Red salsa Peakfection 36 0 g 7.1 g 0 g
Red Salsa Peakfection 36 0 g 7.1 g 0 g
Traditional Guacamole Peakfection 200 3.3 g 10 g 16.7 g
Spicy Guacamole Peakfection 200 3.3 g 10 g 16.7 g
Traditional Macaroni Salad Kroger 243 3.6 g 23.6 g 14.3 g
Potato salad Kroger 136 1.4 g 17.1 g 6.4 g
Taco sauce Kroger 81 0 g 16.1 g 0 g
Balsamic & Basil Vinaigrette Kroger 489 0 g 22.2 g 44.4 g
Chicken Broth Clover Valley 4 0.42 g 0 g 0 g
Traditional pasta sauce Kroger 63 1.6 g 10.9 g 2 g
Cocktail Sauce For Seafood Kroger 145 1.5 g 36.2 g 0 g
Zesty Italian Kroger 62 0 g 12.5 g 0 g
Whole Fish Crunchy Fish Fillets Kroger 277 12.9 g 26.7 g 12.9 g
French Onion Dip Fred Meyer 233 3.3 g 6.7 g 20 g
Healthy Chicken Pot Pie Ready To Serve Soup Kroger 18 0.83 g 2.2 g 0.67 g
Roasted Chicken Noodle Kroger 18 1.2 g 2.7 g 0.25 g
Sweet & Savory Four Color Potato Medley, Green Beans & Sugar Snap Peas Private Selection 94 2.4 g 16.5 g 2.4 g
Spring Herb Private Selection 137 4.2 g 20.8 g 4.2 g
Kroger, kettle cooked potato chips, sea salt & cracked pepper Kroger 536 7.1 g 53.6 g 32.1 g
Kroger, kettle cooked potato chips, mesquite bbq Kroger 536 7.1 g 53.6 g 32.1 g
Chunk Chicken Breast In Lemon Pepper Sauce Kroger 89 15.7 g 4.3 g 1.1 g
Beans & Franks Kroger 136 6.4 g 15.4 g 5.5 g
Tomato Ketchup Kroger 100 0 g 29.4 g 0 g
Chili Hot Beans Kroger 88 4.8 g 16.8 g 0.4 g
Black Beans Restaurant Item 92 6.2 g 17.7 g 0.38 g
Roasted Garlic, Tomato & Basil Rice Pilaf Kroger 343 10 g 74.3 g 1.4 g
Diced Tomatoes In Tomato Juice Restaurant Item 16 0.66 g 3.3 g 0 g
Twisted Bread Sticks Kroger 294 7.8 g 47.1 g 7.8 g
Rolled Tortilla Chips Kroger 500 7.1 g 57.1 g 28.6 g
Kroger, x-treme rolled tortilla chips, salsa picante Kroger 500 7.1 g 60.7 g 28.6 g
Fully Cooked Chicken Fries Kroger 250 13.6 g 17 g 14.8 g
Stewed Tomatoes With Basil, Garlic & Oregano In Tomato Juice, Italian Style Kroger 28 0.81 g 6.5 g 0 g
Mexican Style Stewed Tomatoes In Tomato Sauce Kroger 28 0.81 g 5.7 g 0 g
Stewed sliced tomatoes in tomato juice Kroger 24 0.81 g 5.7 g 0 g
Pretzels thins Kroger 393 10.7 g 75 g 7.1 g
Tomato Sauce Kroger 25 1.6 g 4.9 g 0 g
Tomato Sauce Kroger 25 1.6 g 4.9 g 0 g
Tomato Sauce Kroger 25 1.6 g 4.9 g 0 g
Private selection, zesty cilantro salsa, medium Private Selection 33 0 g 6.7 g 0 g
Chipotle Chili Pepper Salsa Private Selection 89 0 g 22.2 g 0 g
Restaurant Style Salsa Private Selection 44 0 g 11.1 g 0 g
Ralphs, authentic recipe soup, minestrone, minestrone The Kroger Co. 53 2 g 9.4 g 0.82 g
Sunflower Kernels Kroger 267 8.3 g 11.7 g 23.3 g

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