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The Size of Your Cat’s Litter Box

the size of your cat's litter box

When it comes to choosing a litter box, it’s important to match the size of the box to the size of your cat. It’s easy to get influenced by a desire to choose a box based on whether it will fit in a certain location. In some cases that may still work out fine for your cat but in other cases, it means she ends up squeezing too much cat into too little litter box. Your cat shouldn’t have to become a contortionist every time she has to go to the bathroom. The litter box size, shape and type should always be chosen based on what provides the most convenience, comfort and security for your cat. Too many times, we don’t put the cat’s needs first when shopping for the litter box.  We also tend to choose boxes that are too small because the litter box isn’t something we’re thrilled to show off. As a result though, a box that’s too small becomes a source of stress for the cat and that’s a litter box problem just waiting to happen.

What Size Litter Box is Best for Your Cat?

In general, the litter box should be one-and-a-half times the length of your cat from tip of the nose to base of the tail. That gives her enough room to eliminate, cover her waste and still have plenty of clean litter for a couple of return trips. A litter box that’s large enough for your cat will also greatly increase her comfort level. She won’t have to hang some of her body over the edge. Discomfort in the litter box can be very stressful and stress is the LAST thing you want your cat feeling when it comes to the litter box set-up. If she becomes uncomfortable in the box she may choose another location and her choice may not be to your liking.

cat paws in litter box

Photo: Fotolia


Match Your Cat’s Size

If you have a kitten, the litter box should be low-sided and easy to enter and exit. When the kitten grows up you can switch out the small box for a larger one. If you have an adult cat who has gained weight and isn’t quite as svelte as she used to be, the litter box you originally bought her may no longer be adequate. Comfort matters when it comes to time spent taking care of personal business.

If you’ve ever had to use an airplane lavatory, you can probably relate!

green litter box

Photo: Fotolia

Don’t go Overboard

While a large litter box is great, don’t get something so big you won’t be able to lift it in order to scrub it clean. Just scooping the box isn’t sufficient when it comes to maintenance. You will have to scrub the box out at least once a month (more often if you’re not using scoopable litter) so make sure it’s still a size that’s manageable. If you do get creative and find a plastic tub that’s super-sized, just be sure you can handle the cleaning or will have some assistance when it comes time to dump all the litter, clean the box and refill. A large box filled with 200 lbs of litter isn’t an excuse to never thoroughly empty and scrub the box on a regular basis.

More Than One Cat?

If you have a multicat household, don’t try to get away with having one large litter box. No matter how big the box may be, cats don’t always want to share it. In order to keep a lid on any tension between the cats, it’s better to have multiple litter boxes scattered throughout the home. This way, one cat doesn’t have to cross through another cat’s preferred area in order to eliminate. Each box still needs to be the right size but just don’t line them up together side by side. When it comes to number of boxes, make sure you have more boxes than cats. Pay attention to preferred areas so you can locate boxes in spots where various cats feel the most comfortable.

Need More Information?

For more step-by-step information on how to create an ideal litter box set-up or for help with other cat behavior problems relating to the litter box, refer to any of Pam Johnson-Bennett’s books, including the brand new release, CatWise. Pam’s books are available here on our website, through your favorite online book retail site and in bookstores everywhere.

Pam's books are referred to as the cat bibles by behavior experts, veterinarians and cat parents worldwide




We’re sorry but Pam is unable to respond to questions or remarks posted in the comment section. If you have a question about cat behavior, you can find many answers in the articles Pam writes for the website as well as in her best-selling books.





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