Fruit · Food guide
Can dogs eat watermelon?
Without the seeds and rind. Watermelon is more than 90% water and makes a refreshing treat on hot days.
Not a substitute for advice from your vetUpdated Sep 26, 2026
AI imageHow much watermelon can your dog have?
Rule of thumb: snacks make up no more than 10% of daily calories.
Set your dog's ideal weight.
As a snack, no more than a day. That's .
Daily energy needs calculated the same way as in the Kahuno app.
The 10% limit applies to snacks and treats according to WSAVA, not to meals.
What's in watermelon?
Composition per 100 g
Energy and macros
| Energy | 35 kcal |
| Protein | 0.6 g |
| Fat | 0.4 g |
| Carbohydrates | 7 g |
| Fiber | 0.2 g |
| Water | 92.6 g |
Minerals
| Calcium | 8 mg |
| Phosphorus | 9 mg |
| Ca : P ⓘ | 0.89 : 1 |
| Sodium | 3 mg |
| Potassium | 94 mg |
| Magnesium | 8 mg |
| Iron | 0.3 mg |
| Zinc | 0.1 mg |
| Copper | 54 µg |
| Iodine | – |
Vitamins and fatty acids
| Vitamin A | 50 µg RE |
| Vitamin D | 0 µg |
| Vitamin E | 0 mg |
| Linoleic acid | 0.04 g |
| Omega-3 | 0.02 g |
| EPA | 0 g |
| DHA | 0 g |
Source: Max Rubner-Institut. (2025). Bundeslebensmittelschlüssel (BLS), Version 4.0 — Deutsche Nährstoffdatenbank. doi.org
Key facts at a glance
What to watch out for
- Seeds in larger amounts can block the intestines
- The rind is tough and hard to digest
Safety rating for each dog
Can Romeo handle watermelon?
This page applies to dogs in general. In Kahuno, you add intolerances to the dog profile, and every ingredient gets a color-coded dot when you log it, checked for your dog specifically. Whoever feeds the dog in your household sees it right away.
Frequently asked questions
How much watermelon can my dog eat?
Rule of thumb: snacks should be no more than 10% of daily calories. For a normally active 10 kg dog, that's about 180 g of Watermelon. The calculator above shows the amount for your dog's weight.
What should I do if my dog ate too much watermelon?
Usually the dog reacts with soft stool or gas. Offer water and make the next meal smaller. If your dog vomits, seems lethargic or has ongoing diarrhea, call your vet.
