How Many Litter Boxes Should You Have per Cat?

If you have one cat, is one litter box enough? Technically, it can be. But once you have two or more cats, the answer becomes less straightforward.

A widely used rule is one litter box per cat, plus one extra. So two cats should ideally have three boxes, three cats should have four, and so on. The reason is not simply cleanliness. Cats can be particular about where they toilet, and sharing a single box can create competition, stress or avoidance, especially if one cat tends to guard access.

The Feline Veterinary Medical Association recommends one litter box per cat plus one extra, placed in different areas of the home rather than all together. It also recommends having at least one box on each floor where practical. See the FelineVMA guidance on litter box setup.

How Many Litter Boxes Do You Need?

A useful starting point is:

For multi-cat homes, additional boxes matter more because cats do not always consider a shared toilet a shared resource. Two cats that happily sleep together may still prefer different toileting areas.

Why Putting Three Litter Boxes Together Does Not Really Count as Three

One common mistake is buying enough trays but lining them all up in the laundry.

From a cat's point of view, three boxes side by side may function more like one toileting station. If another cat blocks the laundry doorway, all three suddenly become inaccessible.

Spread boxes across separate locations where possible. In a two-storey house, having trays on both floors is particularly useful for kittens, senior cats and cats with mobility issues.

Avoid placing them directly beside food and water bowls, noisy washing machines or busy entryways. Cats usually prefer somewhere quiet but not somewhere so enclosed that they feel trapped.

Choosing the Right Litter Box Matters Too

More boxes will not solve the problem if your cat dislikes every box you provide.

Size is one of the biggest considerations. Your cat should have enough room to enter, turn around, dig and cover waste comfortably. Large cats need substantially more floor space than kittens.

Open trays give cats clear visibility and easy access, while enclosed boxes provide more privacy and can help contain scattered litter. Neither style is automatically better. Some cats strongly prefer one over the other.

That makes it useful to offer different designs when setting up several litter stations rather than buying three identical boxes immediately.

Three Practical Litter Box Options

These three styles suit slightly different households. The enclosed MAX gives cats more privacy, the open tray provides straightforward access, and the stainless steel option has high edges and a non-porous surface for easier cleaning. 

The Makesure MAX measures approximately 67.7 × 49 × 49.5 cm and offers an enclosed setup for cats that like more privacy. The Makesure open tray measures 47 × 41 × 20 cm and includes a litter mat, while the stainless steel box measures 60 × 40 × 20 cm and uses high sides to help control litter scatter. 

How Often Should You Clean Each Litter Box?

Having extra trays does not mean cleaning them less often.

Waste should ideally be scooped at least daily. In a busy multi-cat household, twice-daily scooping can make a noticeable difference. FelineVMA guidance recommends scooping once or twice daily and regularly emptying and cleaning the tray.

Watch the litter depth as well. Too little litter may make digging frustrating, while filling the tray unnecessarily deep can create another texture your cat dislikes.

Think of the box as part of a larger cat environment. Toileting, resting, scratching, playing and eating should each have their own spaces. For example, a cat scratcher belongs in an activity or resting area rather than directly beside the litter tray.

What if Your Cat Suddenly Stops Using the Litter Box?

Do not immediately assume your cat is being difficult.

First check the practical things. Is the box dirty? Has the litter changed? Has another cat started guarding it? Did you move it somewhere noisy? Has your cat grown too large for the tray?

For older cats, arthritis or reduced mobility may make a high entrance uncomfortable. A lower-entry tray or more conveniently located box may help.

A sudden change in toileting can also have a medical cause. Urinary disease, constipation, diarrhoea and other conditions can contribute to house-soiling, so persistent or sudden changes are worth discussing with your veterinarian.

The same principle applies to other stressful experiences. A new home, unfamiliar people or even a trip in a cat carrier can temporarily change a cat's routine. Keeping familiar litter and providing an easy-to-find toilet area can make transitions smoother.

So, Is One Litter Box per Cat Enough?

For one relaxed cat in a small home, one well-maintained box may work perfectly well. But the more cats you add, the more useful the one per cat plus one extra rule becomes.

The bigger lesson is that quantity alone is not enough. A good cat litter box setup gives each cat choice, privacy, easy access and enough room to toilet comfortably.

If you are setting up a new home, adding another cat or replacing an undersized tray, explore the litter boxes and everyday cat essentials available from pawpawup. Choosing the right size and placing it in the right spot can make everyday life cleaner for you and considerably more comfortable for your cat.