Most popular red onion brands in the United States
Ranked by popularity in the BodyPal database
# Productkcal / 100 g
1Jeff's Garden Pickled Red Onions28 g71 kcal
2Mezzetta Sweet & Tangy Pickled Red Onions12 slices · 28 g71 kcal
3Ahold Red Onion1 medium onion · 148 g30 kcal
4ShopRite Red Onions1 raw onion · 148 g41 kcal
5Created Fresh Diced Red Onion1/2 cup · 85 g41 kcal
Pickled red onions sit in a sweetened brine, so they read higher than plain raw onion, while the fresh whole-onion labels are the same raw state as the number above.
Source: manufacturer labels / USDA FoodData Central.
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Red onion FAQs
How many calories are in one red onion?
A whole raw red onion weighing 197 g has about 87 calories. Per 100 g, red onion has 44 calories.
Is red onion good for weight loss?
Red onion is 44 calories per 100 g with 2.2 g fiber and only 0.1 g fat, so a 3 oz portion (85 g) adds 37 calories.
Red onion vs plain onion: which has more calories?
Plain onion averages 40 calories per 100 g, so red onion at 44 calories per 100 g is 4 calories higher.
How many carbs are in red onion?
Red onion has 9.9 g carbs per 100 g, of which 2.2 g is fiber. A whole 197 g onion has 19.6 g carbs and 4.3 g fiber.