Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Cucumber vs Walnuts: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Both foods have similar nutritional profiles

Both foods have similar nutritional profiles with each winning in different categories. Your choice should depend on your specific dietary goals and preferences. Cucumber has 16 calories while Walnuts has 654 calories per 100g.

Quick Summary

Fewer Calories

Cucumber

16 kcal

More Protein

Walnuts

9g

More Fiber

Walnuts

6.7g

Less Sugar

Cucumber

1.7g

Visual Comparison

Caloriesper 100g
Cucumber
16
Walnuts
654
Proteinper 100g
Cucumber
0.7g
Walnuts
9g
Carbohydratesper 100g
Cucumber
4g
Walnuts
14g
Fatper 100g
Cucumber
0.1g
Walnuts
65g

Side-by-Side Nutrition Table

NutrientCucumberWalnutsDifference
Calories16kcal654kcal-638.0kcal
Protein0.7g9g-8.3g
Carbohydrates4g14g-10.0g
Fat0.1g65g-64.9g
Fiber0.5g6.7g-6.2g
Sugar1.7g2.6g-0.9g
Sodium2mg2mg0.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Cucumber

Per 100g:16 calories
Per cup (150g):24 calories
Per serving (85g):14 calories

Walnuts

Per 100g:654 calories
Per cup (150g):981 calories
Per serving (85g):556 calories

Diet Compatibility

Cucumber

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Walnuts

VeganVegetarianPaleoLow-Sodium

When to Choose Cucumber

  • Lower in calories (16 vs 654)
  • Lower in carbs (4g vs 14g)
  • Less sugar (1.7g vs 2.6g)
  • Lower sodium (2mg vs 2mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Cucumber nutrition →

When to Choose Walnuts

  • Higher in protein (9g vs 0.7g)
  • More fiber (6.7g vs 0.5g)

Common Uses

SnackingToppingsTrail mixBaking
View full Walnuts nutrition →

Cucumber vs Walnuts: Nutritional Analysis

Walnuts is more calorie-dense at 654 calories per 100g compared to 16 for Cucumber, a difference of 638 calories. On the protein front, Walnuts delivers more with 9g per 100g versus 0.7g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Cucumber and Walnuts tell different nutritional stories. Cucumber provides 4g of carbohydrates, 0.1g of fat, and 0.5g of fiber per 100g, while Walnuts contains 14g carbs, 65g fat, and 6.7g fiber. The higher fiber content in Walnuts supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Cucumber contains 1.7g while Walnuts has 2.6g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Cucumber is the lower-calorie choice at 16 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Walnuts provides more protein (9g/100g), supporting muscle repair and growth.
  • For sustained energy: Walnuts offers more fiber (6.7g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Cucumber or Walnuts?

Walnuts has more calories with 654 kcal per 100g, compared to Cucumber with 16 kcal. That's a difference of 638 calories per 100g serving.

Is Cucumber healthier than Walnuts?

Cucumber and Walnuts have similar nutritional profiles, with each food winning in different categories. The healthier choice depends on your specific dietary goals and nutritional needs.

What is the protein difference between Cucumber and Walnuts?

Walnuts has more protein with 9g per 100g, compared to Cucumber with 0.7g. Walnuts provides 8.3g more protein per 100g serving.

Which is better for weight loss, Cucumber or Walnuts?

For weight loss, Cucumber is the better choice with only 16 calories per 100g compared to 654 calories in Walnuts. Walnuts also offers 6.7g of fiber per 100g, which helps you feel fuller longer.

Does Cucumber or Walnuts have fewer carbs?

Cucumber has fewer carbs with 4g per 100g, compared to Walnuts with 14g. If you're following a low-carb diet, Cucumber is the better option with 10.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.