How much ketchup for your cat?
Most guides say "a few pieces". Enter your cat's weight and get the actual daily ceiling, worked out from ketchup's calories and the 10%-of-daily-calories treat rule vets use.
Assumes a healthy, neutered adult at a stable weight, and that this is their only treat that day. Puppies, pregnant, very active or unwell pets need different amounts — ask your vet.
Why this verdict for cats
Ketchup has onion and garlic powder plus salt and sugar, all bad for cats. Avoid.
🍽️ Feeding it safely?
Frequently asked questions
Can cats eat ketchup?
In moderation. Ketchup has onion and garlic powder plus salt and sugar, all bad for cats. Avoid.
How much ketchup can cats have?
Recommended: Avoid. When in doubt, ask your vet.
Is ketchup safe for dogs too?
Verdicts can differ between species. See the dog answer for ketchup →
More pantry & snack foods for cats
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 22, 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List