Fruit · updated 2026-09-12
Can cats eat watermelon?
Yes, a small seedless cube.
Why
Safe and hydrating in tiny amounts, though most cats aren't interested. Remove seeds and rind exactly as for dogs.
How to serve it
A sugar-cube-sized piece, seeds removed.
If they eat too much
Loose stools if a cat eats more than a cube.
How much watermelon for my cat?
A daily maximum for a healthy adult cat, kept inside the 10% treat rule. Enter body weight.
Up to 2 g a day — a pea-sized piece · seedless cube.
Treats of all kinds should stay under about 10% of daily calories. Puppies, kittens, seniors and pets with a medical condition: ask your vet first.
And for dogs?
Safe. Yes — flesh only, no seeds, no rind. Can dogs eat watermelon? →
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This guide is general information for healthy adult cats, based on published veterinary guidance (ASPCA, Pet Poison Helpline, AKC, VCA). It is not a substitute for advice from your own vet, who knows your cat's weight, age and medical history. If you are unsure, ask them before sharing any human food.