Calorie comparison
Celery vs Onion
Per 100 grams, celery is the lighter choice by 24 calories, while onion delivers more protein. The right pick depends on your goal — fewer calories for a cut, more protein to stay full.
Per 100 grams
| Per 100 g | Celery | Onion |
|---|---|---|
| Calories | 16 | 40 |
| Protein | 0.7 g | 1.1 g |
| Carbs | 3 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
🥬 Celery
1 stalk (40 g)
6 cal
0.3 g protein · 1.2 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, celery or onion?
Per 100 g, celery has 16 calories and onion has 40. Celery is lower in calories.
Which has more protein, celery or onion?
Celery has 0.7 g of protein per 100 g; onion has 1.1 g. Onion wins on protein.
Is celery 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 celery — but portion size matters more than which food you pick.
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