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

Walnuts vs Coffee: 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?

Walnuts is generally healthier

Walnuts comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (9g vs 0.3g), more fiber (6.7g vs 0g), less sodium (2mg vs 5mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Coffee

1 kcal

More Protein

Walnuts

9g

More Fiber

Walnuts

6.7g

Less Sugar

Coffee

0g

Visual Comparison

Caloriesper 100g
Walnuts
654
Coffee
1
Proteinper 100g
Walnuts
9g
Coffee
0.3g
Carbohydratesper 100g
Walnuts
14g
Coffee
0.2g
Fatper 100g
Walnuts
65g
Coffee
0g

Side-by-Side Nutrition Table

NutrientWalnutsCoffeeDifference
Calories654kcal1kcal+653.0kcal
Protein9g0.3g+8.7g
Carbohydrates14g0.2g+13.8g
Fat65g0g+65.0g
Fiber6.7g0g+6.7g
Sugar2.6g0g+2.6g
Sodium2mg5mg-3.0mg

Serving Size Comparison

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

Walnuts

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

Coffee

Per 100g:1 calories
Per cup (150g):2 calories
Per serving (85g):1 calories

Diet Compatibility

Walnuts

VeganVegetarianPaleoLow-Sodium

Coffee

Low-CarbLow-CalorieVeganVegetarianLow-Sodium

When to Choose Walnuts

  • Higher in protein (9g vs 0.3g)
  • More fiber (6.7g vs 0g)
  • Lower sodium (2mg vs 5mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Walnuts nutrition →

When to Choose Coffee

  • Lower in calories (1 vs 654)
  • Lower in carbs (0.2g vs 14g)
  • Less sugar (0g vs 2.6g)

Common Uses

HydrationMorning ritualSocial occasionsEnergy boost
View full Coffee nutrition →

Walnuts vs Coffee: Nutritional Analysis

Walnuts is more calorie-dense at 654 calories per 100g compared to 1 for Coffee, a difference of 653 calories. On the protein front, Walnuts delivers more with 9g per 100g versus 0.3g, 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 Walnuts and Coffee tell different nutritional stories. Walnuts provides 14g of carbohydrates, 65g of fat, and 6.7g of fiber per 100g, while Coffee contains 0.2g carbs, 0g fat, and 0g 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: Walnuts contains 2.6g while Coffee has 0g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Coffee is the lower-calorie choice at 1 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, Walnuts or Coffee?

Walnuts has more calories with 654 kcal per 100g, compared to Coffee with 1 kcal. That's a difference of 653 calories per 100g serving.

Is Walnuts healthier than Coffee?

Based on our nutritional analysis, Walnuts is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Walnuts has 654 calories, 9g protein, and 6.7g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Walnuts and Coffee?

Walnuts has more protein with 9g per 100g, compared to Coffee with 0.3g. Walnuts provides 8.7g more protein per 100g serving.

Which is better for weight loss, Walnuts or Coffee?

For weight loss, Coffee is the better choice with only 1 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 Walnuts or Coffee have fewer carbs?

Coffee has fewer carbs with 0.2g per 100g, compared to Walnuts with 14g. If you're following a low-carb diet, Coffee is the better option with 13.8g 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.