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Food database › Vegetable › Sweet Onion

How many calories in a sweet onion?

35 calper 1 medium (110 g)

A serving of sweet onion — 1 medium (110 g) — has about 35 calories, with 0.9 g protein, 8.4 g carbs and 0.1 g fat, plus 1 g fiber.

Where those calories come from:

Protein 9%Carbs 88%Fat 2%
Sweet Onion nutrition (raw)
NutrientPer serving
(1 medium (110 g))
Per 100 g
Calories35 cal32 cal
Protein0.9 g0.8 g
Carbs8.4 g7.6 g
  of which sugars5.5 g5 g
Fat0.1 g0.1 g
Fiber1 g0.9 g

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Sweet Onion calories — FAQ

How many calories are in a sweet onion?

1 medium (110 g) of sweet onion contains about 35 calories. That's roughly 32 calories per 100 grams.

How much protein is in a sweet onion?

One serving (1 medium (110 g)) has about 0.9 g of protein, 8.4 g of carbs and 0.1 g of fat.

Is sweet onion good for weight loss?

Sweet Onion can fit a weight-loss plan when it's logged and kept within your calorie budget. At 35 calories per serving, the key is tracking your total daily intake — that's what Nourish makes effortless.

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