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Vegetable comparison

Cucumber vs Onion

Cucumber is lower in calories (15 vs 40 kcal per 100g) — 25 kcal less than Onion. Onion has more protein (1.1g vs 0.7g per 100g). For weight management, Onion is usually the more filling choice here — it has more protein and more fibre.

All figures are per 100g, typical values for the common edible portion.

Nutrition compared (per 100g)

NutrientCucumberOnionDifference
Calories154025 kcal less in Cucumber
Protein0.7g1.1g0.4g less in Cucumber
Carbs3.6g9.3g5.7g less in Cucumber
Fat0.1g0.1g
Fibre0.5g1.7g1.2g less in Cucumber

Cucumber vs Onion FAQ

Does Cucumber or Onion have more calories?
Onion has more calories: 15 kcal vs 40 kcal per 100g.
Which has more protein, Cucumber or Onion?
Onion has more protein: 1.1g vs 0.7g per 100g.
Is Cucumber or Onion better for weight loss?
Onion is usually the more filling choice here — it has more protein and more fibre, which can help with weight loss. Total intake still matters most.

Values are typical estimates and vary by brand, ripeness, cut and preparation. Log either food in one tap with the Nutari app for your exact portion.

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