Watermelon, raw vs Grapefruit, raw
Both compared per 100 g. They have similar amounts of calories. They have similar amounts of protein. Grapefruit, raw has 2.8 times as much fiber as watermelon, raw (1.1 g vs 0.4 g). They have similar amounts of sugars.
The biggest vitamin and mineral differences: Grapefruit, raw has more Vitamin C (+29% DV).
| Per 100 g | Watermelon, raw | Grapefruit, raw |
|---|---|---|
| Calories | 30 kcal | 32 kcal |
| Protein | 0.61 g | 0.63 g |
| Carbohydrates | 7.6 g | 8.1 g |
| Fiber | 0.4 g | 1.1 g |
| Sugars | 6.2 g | 7 g |
| Total fat | 0.15 g | 0.1 g |
| Saturated fat | 0.016 g | 0.014 g |
| Cholesterol | 0 mg | 0 mg |
| Sodium | 1 mg | 0 mg |
| Water | 91.5 g | 90.9 g |
| Sodium | 1 mg (0%) | 0 mg (0%) |
| Vitamin A | 28 µg (3%) | 46 µg (5%) |
| Vitamin C | 8.1 mg (9%) | 34.4 mg (38%) |
| Vitamin D | 0 µg (0%) | 0 µg (0%) |
| Vitamin E | 0.05 mg (0.3%) | 0.13 mg (0.9%) |
| Vitamin K | 0.1 µg (0.1%) | 0 µg (0%) |
| Thiamin (B1) | 0.033 mg (3%) | 0.036 mg (3%) |
| Riboflavin (B2) | 0.021 mg (2%) | 0.02 mg (2%) |
| Niacin (B3) | 0.18 mg (1%) | 0.25 mg (2%) |
| Pantothenic acid (B5) | 0.22 mg (4%) | 0.28 mg (6%) |
| Vitamin B6 | 0.045 mg (3%) | 0.042 mg (2%) |
| Folate (B9) | 3 µg (0.8%) | 10 µg (3%) |
| Vitamin B12 | 0 µg (0%) | 0 µg (0%) |
| Choline | 4.1 mg (0.7%) | 7.7 mg (1%) |
| Calcium | 7 mg (0.5%) | 12 mg (0.9%) |
| Iron | 0.24 mg (1%) | 0.09 mg (0.5%) |
| Magnesium | 10 mg (2%) | 8 mg (2%) |
| Phosphorus | 11 mg (0.9%) | 8 mg (0.6%) |
| Potassium | 112 mg (2%) | 139 mg (3%) |
| Zinc | 0.1 mg (0.9%) | 0.07 mg (0.6%) |
| Copper | 0.042 mg (5%) | 0.047 mg (5%) |
| Manganese | 0.038 mg (2%) | 0.012 mg (0.5%) |
| Selenium | 0.4 µg (0.7%) | 0.3 µg (0.5%) |
| Fluoride | 1.5 µg | 1 µg |
Bold: the higher value. Percentages are % Daily Value. Sources: USDA FoodData Central: SR Legacy; USDA FoodData Central: SR Legacy. "Not reported" means the source has no value, which is not the same as zero.
Watermelon, raw
Watermelon, raw contains 30 kcal per 100 g. A 1 NLEA serving (280 g) provides about 84 kcal.
Roughly 89% of its calories come from carbohydrates, with 7% from protein and 4% from fat (estimated with general energy factors).
Grapefruit, raw
Grapefruit, raw contains 32 kcal per 100 g. A typical serving of 0.5 medium, approx 4" dia (128 g) provides about 41 kcal.
Roughly 90% of its calories come from carbohydrates, with 7% from protein and 3% from fat (estimated with general energy factors).