Grapefruit vs Guava: Which Has More Calories?
Per 100 g, Grapefruit has 42 kcal and Guava has 68 kcal, so Grapefruit has 38% fewer calories.
Guava has more protein (2.55 g vs 0.77 g). Guava has more fiber (5.4 g vs 1.6 g). Guava has more carbohydrates (14.3 g vs 10.7 g). Relative to calories, Guava is the better protein source (3.75 g vs 1.83 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
Grapefruit vs Guava 100g Compare
| per 100g | Grapefruit | Guava |
|---|---|---|
| Calories | 42 | 68 |
| Carbohydrates | 10.66 g | 14.3 g |
| Fat | 0.14 g | 0.95 g |
| Dietary fiber | 1.6 g | 5.4 g |
| Protein | 0.77 g | 2.55 g |
| Calcium | 22 mg | 18 mg |
| Iron | 0.08 mg | 0.26 mg |
| Magnessium | 9 mg | 22 mg |
| Potassium | 135 mg | 417 mg |
| Vitaminium A | 1150 IU | 624 IU |
| Vitaminium B1 (Thiamine) | 0.043 mg | 0.067 mg |
| Vitaminium B2 (riboflavin) | 0.031 mg | 0.04 mg |
| Vitaminium B3 (Niacin) | 0.204 mg | 1.084 mg |
| Vitaminium B5 | 0.262 mg | 0.451 mg |
| Vitaminium B6 | 0.053 mg | 0.11 mg |
| Vitaminium B9 (Folic acid) | 0.013 µg | 49 µg |
| Vitaminium C | 31.2 mg | 228 mg |
| Vitaminium E | 0.13 mg | 0.73 mg |
| Beta karoten | 686 µg | 374 µg |
Less Calories in Grapefruit
At first glance, you can see that in grapefruit is much less calories than in guava.
Grapefruit has 42 kcal per 100g and guava 68 kcal per 100g so it is pretty easy to calculate that the difference is about 62%.
In grapefruit and in guava most calories came from carbs.
See tables below to compare grapefruit with guava in details.
Grapefruit 100g
42kcalCalories source
- 91% CARBS.
- 7% PROTEIN
- 3% FAT
Guava 100g
68kcalCalories source
- 75% CARBS
- 13% PROTEIN
- 11% FAT
Compares of grapefruit
Compares of guava
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About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.