Which has more calories, carrot or onion?

Per 100 g, carrot has 41 calories and onion has 40. Onion is lower in calories.

Which has more protein, carrot or onion?

Carrot has 0.9 g of protein per 100 g; onion has 1.1 g. Onion wins on protein.

Is carrot or onion better for weight loss?

For a calorie deficit, the lower-calorie, higher-protein option usually helps you stay full on fewer calories. Here that leans toward onion — but portion size matters more than which food you pick.

Calorie comparison

Carrot vs Onion

Per 100 grams, onion is the lighter choice by 1 calories, while onion delivers more protein. The right pick depends on your goal — fewer calories for a cut, more protein to stay full.

Carrot nutrition →Onion nutrition →

Per 100 grams

Per 100 g	Carrot	Onion
Calories	41	40
Protein	0.9 g	1.1 g
Carbs	10 g	9 g
Fat	0.2 g	0.1 g

Orange highlights the "better for a calorie deficit" value (fewer calories, fat and carbs; more protein). Your goals decide what "better" means.

Per typical serving

🥕 Carrot

1 medium (61 g)

25 cal

0.5 g protein · 6.1 g carbs · 0.1 g fat

🧅 Onion

1 medium (110 g)

44 cal

1.2 g protein · 9.9 g carbs · 0.1 g fat

Frequently asked

Which has more calories, carrot or onion?
Per 100 g, carrot has 41 calories and onion has 40. Onion is lower in calories.
Which has more protein, carrot or onion?
Carrot has 0.9 g of protein per 100 g; onion has 1.1 g. Onion wins on protein.
Is carrot or onion better for weight loss?
For a calorie deficit, the lower-calorie, higher-protein option usually helps you stay full on fewer calories. Here that leans toward onion — but portion size matters more than which food you pick.

More comparisons

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