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

Kiwi vs Peanut Butter: 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?

Kiwi is generally healthier

Kiwi comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (61 vs 588), less sugar (6g vs 9.4g), less sodium (3mg vs 459mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Kiwi

61 kcal

More Protein

Peanut Butter

25g

More Fiber

Peanut Butter

6g

Less Sugar

Kiwi

6g

Visual Comparison

Caloriesper 100g
Kiwi
61
Peanut Butter
588
Proteinper 100g
Kiwi
1.1g
Peanut Butter
25g
Carbohydratesper 100g
Kiwi
15g
Peanut Butter
20g
Fatper 100g
Kiwi
0.5g
Peanut Butter
50g

Side-by-Side Nutrition Table

NutrientKiwiPeanut ButterDifference
Calories61kcal588kcal-527.0kcal
Protein1.1g25g-23.9g
Carbohydrates15g20g-5.0g
Fat0.5g50g-49.5g
Fiber3g6g-3.0g
Sugar6g9.4g-3.4g
Sodium3mg459mg-456.0mg

Serving Size Comparison

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

Kiwi

Per 100g:61 calories
Per cup (150g):92 calories
Per serving (85g):52 calories

Peanut Butter

Per 100g:588 calories
Per cup (150g):882 calories
Per serving (85g):500 calories

Diet Compatibility

Kiwi

Low-CalorieVeganVegetarianPaleoLow-Sodium

Peanut Butter

High-ProteinVeganVegetarianPaleo

When to Choose Kiwi

  • Lower in calories (61 vs 588)
  • Lower in carbs (15g vs 20g)
  • Less sugar (6g vs 9.4g)
  • Lower sodium (3mg vs 459mg)

Common Uses

Fresh snacksSmoothiesDessertsBreakfast bowls
View full Kiwi nutrition →

When to Choose Peanut Butter

  • Higher in protein (25g vs 1.1g)
  • More fiber (6g vs 3g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

Kiwi vs Peanut Butter: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 61 for Kiwi, a difference of 527 calories. On the protein front, Peanut Butter delivers more with 25g per 100g versus 1.1g, 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 Kiwi and Peanut Butter tell different nutritional stories. Kiwi provides 15g of carbohydrates, 0.5g of fat, and 3g of fiber per 100g, while Peanut Butter contains 20g carbs, 50g fat, and 6g fiber. The higher fiber content in Peanut Butter supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Kiwi contains 6g while Peanut Butter has 9.4g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Kiwi is the lower-calorie choice at 61 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Peanut Butter provides more protein (25g/100g), supporting muscle repair and growth.
  • For sustained energy: Peanut Butter offers more fiber (6g/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, Kiwi or Peanut Butter?

Peanut Butter has more calories with 588 kcal per 100g, compared to Kiwi with 61 kcal. That's a difference of 527 calories per 100g serving.

Is Kiwi healthier than Peanut Butter?

Based on our nutritional analysis, Kiwi is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Kiwi has 61 calories, 1.1g protein, and 3g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Kiwi and Peanut Butter?

Peanut Butter has more protein with 25g per 100g, compared to Kiwi with 1.1g. Peanut Butter provides 23.9g more protein per 100g serving.

Which is better for weight loss, Kiwi or Peanut Butter?

For weight loss, Kiwi is the better choice with only 61 calories per 100g compared to 588 calories in Peanut Butter. Peanut Butter also offers 6g of fiber per 100g, which helps you feel fuller longer.

Does Kiwi or Peanut Butter have fewer carbs?

Kiwi has fewer carbs with 15g per 100g, compared to Peanut Butter with 20g. If you're following a low-carb diet, Kiwi is the better option with 5.0g 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.