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
Emerald Nuts Jalapeno Cashews, 1.25 oz EMERALD 571 17.1 g 31.4 g 45.7 g
Muchacha, Salsa, Mild, Mild MUCHACHA 71 0 g 3.6 g 5.4 g
Muchacha, Medium Salsa MUCHACHA 71 0 g 3.6 g 5.4 g
Muchacho, Hot Salsa, Hot, Hot MUCHACHO 71 0 g 3.6 g 5.4 g
Stuffed Salmon With Shrimp And Seafood, Shrimp And Seafood QUALITY FOODS 165 15.3 g 7.1 g 7.7 g
Stuffed Fillets With Shrimp, Artichoke, Seafood And Spinach QUALITY FOODS 100 11.8 g 4.7 g 4.1 g
Stuffed Tilapia With Crabmeat And Shrimp, Crabmeat And Shrimp QUALITY FOODS 135 17.1 g 5.9 g 4.7 g
Whole Jalapeno Peppers EL GALLITO 33 0 g 6.7 g 0 g
Poplets, Crunch Perfected!, Toasted Corn Centers POPLETS 429 10.7 g 71.4 g 10.7 g
Diego's, Potato Chips DIEGO'S 536 7.1 g 50 g 35.7 g
Diego's Chips, Potato Chips, Bbq Icaliente, Bbq Icaliente DIEGO'S CHIPS 536 7.1 g 50 g 35.7 g
Honey Orange & Ginger Mustard, Honey NAPA VALLEY MUSTARD CO. 250 0 g 50 g 0 g
Chicken & Vegetable Mini Spring Rolls LING LING 195 4.9 g 25.6 g 8.5 g
Vegetable Mini Spring Rolls Ling Ling 137 3 g 34.2 g 13.4 g
Dank Sauce, Spicy Nopal Cactus KUZUSHI 62 0 g 12.5 g 0 g
Chili Lime Turkey, Chili Lime SIMPLE TRUTH 125 17.9 g 3.6 g 4.5 g
Raspberry Vinaigrette KROGER 188 0 g 21.9 g 9.4 g
Mild Traditional Salsa, Mild KROGER 32 0 g 9.7 g 0 g
Traditional Salsa Kroger 125 0 g 31.2 g 0 g
Pasta Sauce, Traditional Kroger 70 1.6 g 10.2 g 2 g
Tomato + basil pasta sauce Kroger 70 2.3 g 12.5 g 1.6 g
Homestyle Pasta Sauce, Marinara Kroger 62 1.6 g 10.2 g 1.6 g
Chuncky pasta sauce Kroger 70 2.3 g 11.7 g 2 g
Chunky green pepper & mushroom pasta sauce Kroger 70 2.3 g 11.7 g 2 g
Homestyle Pasta Sauce, Roasted Red Pepper With Garlic Kroger 78 2.3 g 12.5 g 2 g
Kroger spaghetti traditional sauce Kroger 70 2.3 g 10.9 g 2.3 g
Parmesan+Romano Pasta Sauce, Parmesan+Romano KROGER 86 3.9 g 12.5 g 3.1 g
Cheese pasta sauce Kroger 78 3.1 g 10.9 g 2.7 g
Kroger, Homestyle Pasta Sauce, Flavored With Beef, Beef, Beef KROGER 78 2.3 g 11.7 g 2 g
Kroger, P$$T..., Ranch Dressing KROGER 310 0 g 6.9 g 31 g
Italian Dressing PSST... 145 0 g 9.7 g 11.3 g
Peanuts Hot & Spicy Flavored Kroger 571 25 g 14.3 g 50 g
Chicken Flavored Rice / Sauce Kroger 354 9.2 g 73.9 g 2.3 g
P$$T..., Flavored Pasta & Sauce, Chicken P$$T... 350 13.3 g 73.3 g 3.3 g
Butter Pasta & Sauce PSST... 381 12.7 g 71.4 g 6.4 g
Psst..., Parmesan Pasta & Sauce Psst... 383 13.3 g 75 g 2.5 g
Mustard On My Mind KROGER 111 0 g 25 g 0 g
Mild Thick & Chunky Salsa, Mild KROGER 50 0 g 10 g 0 g
Thick & Chunky Medium Salsa Kroger 133 0 g 33.3 g 0 g
Thick & Chunky Salsa, Mild KROGER 50 0 g 10 g 0 g
Thick & Chunky Salsa, Medium KROGER 50 0 g 10 g 0 g
Thick Chunky Salsa, Medium FRED MAYER 50 0 g 10 g 0 g
Kroger, Fred Meyer, Salsa, Thick & Chunky, Mild KROGER 50 0 g 10 g 0 g
Tartar Sauce KROGER 367 0 g 16.7 g 33.3 g
Barbecue Sauce, Hickory Smoke KROGER 139 2.8 g 33.3 g 0 g
Kc Style Barbecue Sauce, Original Sticky N' Savory KROGER 147 2.9 g 35.3 g 0 g
Buffalo Style Ranch Popcorn, Buffalo Style Ranch KROGER 500 7.1 g 53.6 g 28.6 g
Deviled Egg Potato Salad Kroger 45 2 g 11.2 g 9.7 g

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