Kiwifruit vs Grapefruit: 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?
Kiwifruit is generally healthier
Kiwifruit comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (1.1g vs 0.8g), more fiber (3g vs 1.6g), less sugar (6g vs 7g), making it the better choice for most health goals.
Quick Summary
Fewer Calories
Grapefruit
42 kcal
More Protein
Kiwifruit
1.1g
More Fiber
Kiwifruit
3g
Less Sugar
Kiwifruit
6g
Visual Comparison
Side-by-Side Nutrition Table
| Nutrient | Kiwifruit | Grapefruit | Difference |
|---|---|---|---|
| Calories | 61kcal | 42kcal✓ | +19.0kcal |
| Protein | 1.1g✓ | 0.8g | +0.3g |
| Carbohydrates | 15g | 11g✓ | +4.0g |
| Fat | 0.5g | 0.1g✓ | +0.4g |
| Fiber | 3g✓ | 1.6g | +1.4g |
| Sugar | 6g✓ | 7g | -1.0g |
| Sodium | 3mg | 0mg✓ | +3.0mg |
Serving Size Comparison
All values above are per 100g. Here's how they compare in common serving sizes:
Kiwifruit
Grapefruit
Diet Compatibility
Kiwifruit
Grapefruit
When to Choose Kiwifruit
- ✓Higher in protein (1.1g vs 0.8g)
- ✓More fiber (3g vs 1.6g)
- ✓Less sugar (6g vs 7g)
Common Uses
When to Choose Grapefruit
- ✓Lower in calories (42 vs 61)
- ✓Lower in carbs (11g vs 15g)
- ✓Lower sodium (0mg vs 3mg)
Common Uses
Kiwifruit vs Grapefruit: Nutritional Analysis
Kiwifruit is more calorie-dense at 61 calories per 100g compared to 42 for Grapefruit, a difference of 19 calories. On the protein front, Kiwifruit delivers more with 1.1g per 100g versus 0.8g, 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 Kiwifruit and Grapefruit tell different nutritional stories. Kiwifruit provides 15g of carbohydrates, 0.5g of fat, and 3g of fiber per 100g, while Grapefruit contains 11g carbs, 0.1g fat, and 1.6g fiber. The higher fiber content in Kiwifruit supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Kiwifruit contains 6g while Grapefruit has 7g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.
Key Takeaways
- For weight management: Grapefruit is the lower-calorie choice at 42 cal/100g, making it more suitable for calorie-controlled diets.
- For muscle building: Kiwifruit provides more protein (1.1g/100g), supporting muscle repair and growth.
- For sustained energy: Kiwifruit offers more fiber (3g/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, Kiwifruit or Grapefruit?
Kiwifruit has more calories with 61 kcal per 100g, compared to Grapefruit with 42 kcal. That's a difference of 19 calories per 100g serving.
Is Kiwifruit healthier than Grapefruit?
Based on our nutritional analysis, Kiwifruit is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Kiwifruit 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 Kiwifruit and Grapefruit?
Kiwifruit has more protein with 1.1g per 100g, compared to Grapefruit with 0.8g. Kiwifruit provides 0.3g more protein per 100g serving.
Which is better for weight loss, Kiwifruit or Grapefruit?
For weight loss, Grapefruit is the better choice with only 42 calories per 100g compared to 61 calories in Kiwifruit. Kiwifruit also offers 3g of fiber per 100g, which helps you feel fuller longer.
Does Kiwifruit or Grapefruit have fewer carbs?
Grapefruit has fewer carbs with 11g per 100g, compared to Kiwifruit with 15g. If you're following a low-carb diet, Grapefruit is the better option with 4.0g fewer carbohydrates.
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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.