Grapefruit (Pink / Red) vs Watermelon
Factual nutritional comparison based on verified food composition records.


Nutritional Takeaways
Based on standard 100g edible portion comparison
Watermelon has fewer calories (energy) (30 kcal vs 42 kcal, 12 kcal less).
Grapefruit (Pink / Red) provides 0.77 g vs 0.61 g in Watermelon (+0.16 g, +26%).
Grapefruit (Pink / Red) provides 1.6 g vs 0.40 g in Watermelon (+1.2 g, +300%).
Grapefruit (Pink / Red) provides 31.2 mg vs 8.1 mg in Watermelon (+23.1 mg, +285%).
Macronutrients6 nutrients
Grapefruit (Pink / Red) provides 42 kcal vs 30 kcal in Watermelon (+12 kcal, +40%).
Grapefruit (Pink / Red) provides 0.77 g vs 0.61 g in Watermelon (+0.16 g, +26%).
Grapefruit (Pink / Red) provides 10.7 g vs 7.6 g in Watermelon (+3.1 g, +41%).
Grapefruit (Pink / Red) provides 1.6 g vs 0.40 g in Watermelon (+1.2 g, +300%).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of total fat (0.14 g).
Grapefruit (Pink / Red) provides 6.9 g vs 6.2 g in Watermelon (+0.69 g, +11%).
Vitamins12 nutrients
Grapefruit (Pink / Red) provides 31.2 mg vs 8.1 mg in Watermelon (+23.1 mg, +285%).
Grapefruit (Pink / Red) provides 58 µg vs 28 µg in Watermelon (+30 µg, +107%).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of vitamin d (0 µg).
Grapefruit (Pink / Red) provides slightly more vitamin e (0.13 mg vs 0.05 mg).
Watermelon provides slightly more vitamin k (0.1 µg vs 0 µg).
Grapefruit (Pink / Red) provides 13 µg vs 3.0 µg in Watermelon (+10 µg, +333%).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of thiamin (vitamin b1) (0.04 mg).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of riboflavin (vitamin b2) (0.03 mg).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of niacin (vitamin b3) (0.20 mg).
Grapefruit (Pink / Red) provides 0.28 mg vs 0.22 mg in Watermelon (+0.06 mg, +28%).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of vitamin b6 (0.05 mg).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of vitamin b12 (0 µg).
Minerals7 nutrients
Watermelon has higher sodium (1.0 mg vs 0 mg).
Grapefruit (Pink / Red) provides 135 mg vs 112 mg in Watermelon (+23.0 mg, +21%).
Grapefruit (Pink / Red) provides 22.0 mg vs 7.0 mg in Watermelon (+15.0 mg, +214%).
Watermelon provides 0.24 mg vs 0.08 mg in Grapefruit (Pink / Red) (+0.16 mg, +200%).
Watermelon provides 10.0 mg vs 9.0 mg in Grapefruit (Pink / Red) (+1.0 mg, +11%).
Grapefruit (Pink / Red) provides 18.0 mg vs 11.0 mg in Watermelon (+7.0 mg, +64%).
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of zinc (0.07 mg).
Lipids1 nutrients
Both Grapefruit (Pink / Red) and Watermelon provide similar amounts of saturated fat (0.01 g).