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
Today's Temptations, Lithuanian Rye Bread TODAY'S TEMPTATIONS 228 5.3 g 47.4 g 2.6 g
Mt. Olive, Sweet 'N' Hot Salad Peppers MT. OLIVE 143 0 g 32.1 g 0 g
Funny Frisch, Chips Frisch, Peperoni Funny Frisch Snack 537 5.7 g 46.7 g 36.7 g
Pierogi, Potato & Onion NUOVO PASTA 240 6 g 37 g 7 g
Mesquite Bbq Flavored Advanced Nutrition Baked Chips, Mesquite Bbq SLIMFAST 357 7.1 g 71.4 g 8.9 g
Sour Cream & Onion Flavored Advanced Nutrition Baked Chips, Sour Cream & Onion SLIMFAST 357 7.1 g 67.9 g 8.9 g
Mesquite Bbq Baked Chips Snack, Mesquite Bbq SLIMFAST 357 7.1 g 71.4 g 8.9 g
Sour Cream & Onion Flavored Advanced Nutrition Baked Chips, Sour Cream & Onion SLIMFAST 357 7.1 g 67.9 g 8.9 g
Mesquite Bbq Flavored Advanced Nutrition Baked Chips, Mesquite Bbq SLIMFAST 357 7.1 g 71.4 g 8.9 g
Sour Cream & Onion Flavored Advanced Nutrition Baked Chips, Sour Cream & Onion SLIMFAST 357 7.1 g 67.9 g 8.9 g
Butternut Mountain Farm, Barbeque Sauce, Maple, Maple BUTTERNUT MOUNTAIN FARM 171 0 g 42.9 g 0 g
Okra Soup CHARLESTON FAVORITES 68 1.3 g 8.9 g 0.02 g
Jalapeno Slices Mt. Olive 18 0 g 3.6 g 0 g
Diced Jalapeno Peppers MT. OLIVE 0 0 g 0 g 0 g
Squeeze Hot Dog Relish MT. OLIVE 133 0 g 33.3 g 0 g
Sandwich Stuffers Mt. Olive Pickle Company Inc. 88 0 g 21.2 g 0 g
Bread & Butter Chips Mt. Olive 107 0 g 26.4 g 0 g
Bread & Butter Chips Old-Fashioned Sweet Pickle, Bread & Butter Chips MT. OLIVE 89 0 g 21.4 g 0 g
Sweet 'N' Hot Salad Peppers, Sweet 'N' Hot MT. OLIVE 125 0 g 28.6 g 0 g
Bread & Butter No Sugar Added Chips, Bread & Butter MT. OLIVE 0 0 g 3.6 g 0 g
Bread & Butter No Sugar Added Sandwich Stuffers, Bread & Butter MT. OLIVE 18 0 g 3.6 g 0 g
Bread & Butter No Sugar Added Spears, Bread & Butter MT. OLIVE 0 0 g 3.6 g 0 g
Bread & Butter Old-Fashioned Sweet Sandwich Stuffers, Bread & Butter MT. OLIVE 71 0 g 17.9 g 0 g
Kosher Petite Dills MT. OLIVE 18 0 g 3.6 g 0 g
Bread & Butter Chips, Bread & Butter MAJESTIC 89 0 g 21.4 g 0 g
Mt. Olive, Chipotle Bread & Butter Chips Pickles, Sweet Smoky, Sweet Smoky MT. OLIVE 89 0 g 21.4 g 0 g
Bread & Butter Chips Reduced Sodium Pickles, Bread & Butter Chips MT. OLIVE 89 0 g 21.4 g 0 g
Kosher Petite Dills Pickles, Kosher Petite Dills MT. OLIVE 18 0 g 3.6 g 0 g
Kosher Petite Dills MT. OLIVE 18 0 g 3.6 g 0 g
Delicatessen Style Diced Jalapeno Peppers, Delicatessen Style MT. OLIVE 0 0 g 0 g 0 g
Delicatessen Style Jalapeno Slices, Delicatessen Style MT. OLIVE 18 0 g 3.6 g 0 g
Bread & Butter Old-Fashioned Sweet Chips, Bread & Butter MT. OLIVE 89 0 g 21.4 g 0 g
Bread & Butter Sandwich Stuffers Simply Pickles, Bread & Butter MT. OLIVE 89 0 g 21.4 g 0 g
Bread & Butter Chips, Bread & Butter MT. OLIVE 89 0 g 21.4 g 0 g
Old-Fashioned Sweet Bread & Butter Chips Mt. Olive 107 0 g 25 g 0 g
Bread & Butter Old-Fashioned Sweet Sandwich Stuffers, Bread & Butter MT. OLIVE 71 0 g 17.9 g 0 g
Bread & Butter Chips, Jalapeno, Jalapeno MT. OLIVE 89 0 g 21.4 g 0 g
Zesty Garlic Kosher Dills, Zesty Garlic MT. OLIVE 18 0 g 3.6 g 0 g
Hot Jamaican Jerk Curry Seasoning Blue Mountain Country 0 0 g 0 g 0 g
Pappy's Choice, Prime Rib Rub PAPPY'S CHOICE 0 0 g 0 g 0 g
Pappy's Choice, Garlic Herb PAPPY'S CHOICE 0 0 g 0 g 0 g
Pappy's, Lemon Pepper, Lemon, Lemon PAPPY'S 0 0 g 0 g 0 g
Tyler Sash's Favorite Seasoning Mix DASH OF SASH 0 0 g 0 g 0 g
Spring onion Sainsbury's 30 2.6 g 2.1 g 0.52 g
Trader Joe's, Cornichons TRADER JOE'S 18 0 g 3.6 g 0 g
Reduced Fat Mayo Dressing TRADER JOE'S 233 0 g 6.7 g 23.3 g
Salsa Verde Trader Joe's 33 1.3 g 6.7 g 0 g
Trader Jose's, Salsa Autentica TRADER JOSE'S 33 0 g 6.7 g 0 g

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