What size litter box does my cat need?

More questions

Covered or uncovered?

Some cats avoid covered boxes because they trap smells; if you use one, it still needs the full length inside.

How many boxes do I need?

One per cat, plus one, in different places: use the litter box calculator.

How long should a litter box be for a large cat?

At least 1.5 × its length: a 22-inch cat needs a box about 33 inches long.

Are standard litter boxes big enough?

Many are smaller than 1.5 × an adult cat’s length; large storage boxes are a common, roomier option.

How high should the sides be?

High enough to hold litter in, low enough at the entry for your cat, especially kittens and older cats.

Do kittens need smaller boxes?

Kittens need a low entry; the length rule applies to their own body length.

How do I measure my cat?

From the tip of the nose to the base of the tail.

Is a self-cleaning box sized the same way?

Check its inside length against the same 1.5 × rule.