All Foods
Celery vs Onion
Calories, macronutrients and nutrition facts compared side by side (per 100g).
Nutrition Comparison
| Per 100g | Celery | Onion |
|---|---|---|
| Calories | 16kcal | 40kcal |
| Protein | 0.7g | 1.1g |
| Carbs | 3g | 9.3g |
| Fat | 0.2g | 0.1g |
| Fiber | 1.6g | 1.7g |
| Sugar | 1.3g | 4.2g |
| Sodium | 80mg | 4mg |
Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).
Key Takeaways
- Celery has 24 fewer calories per 100g than Onion (150% less).
- Onion delivers more protein (1.1g vs 0.7g per 100g).
- Onion has more fiber (1.7g vs 1.6g).
- Onion contains less fat (0.1g vs 0.2g).
- Celery has less sugar (1.3g vs 4.2g).
Celery
Celery is roughly 95% water, making it one of the lowest-calorie foods by volume. It provides vitamin K, potassium and apigenin, an antioxidant, and its crunch makes it a popular low-calorie snacking vehicle.
View Celery nutrition →Onion
Onions are low in calories and a notable source of quercetin, an antioxidant flavonoid, plus prebiotic fibers that feed gut bacteria. Their sulfur compounds — released when chopped — are being studied for cardiovascular benefits.
View Onion nutrition →Track Celery & Onion in Kairo
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