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Cucumber vs Zucchini

Calories, macronutrients and nutrition facts compared side by side (per 100g).

Nutrition Comparison

Per 100gCucumberZucchini
Calories15kcal17kcal
Protein0.7g1.2g
Carbs3.6g3.1g
Fat0.1g0.3g
Fiber0.5g1g
Sugar1.7g2.5g
Sodium2mg8mg

Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).

Key Takeaways

  • Cucumber has 2 fewer calories per 100g than Zucchini (13% less).
  • Zucchini delivers more protein (1.2g vs 0.7g per 100g).
  • Zucchini has more fiber (1g vs 0.5g).
  • Cucumber contains less fat (0.1g vs 0.3g).
  • Cucumber has less sugar (1.7g vs 2.5g).

Cucumber

Cucumber is over 95% water and provides minimal calories — perfect for hydration-focused, high-volume eating. Despite the low calorie count, it supplies vitamin K and small amounts of magnesium and potassium. The skin contains most of the fiber.

View Cucumber nutrition →

Zucchini

Zucchini's high water and fiber content make it filling for very few calories — ideal for bulking up meals during weight loss. It contains lutein and zeaxanthin, carotenoids that support eye health, plus vitamin C and potassium. Spiralized as 'zoodles', it's a popular low-carb pasta swap.

View Zucchini nutrition →

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