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Cat Litter Boxes: Hooded vs Open, Sizing, and Placement

June 22, 2026 Β· 5 min read Β· PetSup Team

The litter box is the single most important piece of gear in a cat household, and the wrong one is the most common reason cats start going outside the box. Here is how to pick a box your cat will actually use.

Hooded vs Open: What Your Cat Actually Prefers

Hooded (covered) boxes keep litter contained, hide the contents, and reduce odour spread, which is why owners reach for them first. The trade-off is airflow: covers trap smells inside, so the box can turn unpleasant for your cat long before you notice. They also limit your cat's view of the room, which some cats dislike.

Open boxes win on ventilation, easy cleaning, and a clear line of sight, an instinct most cats keep indoors. The downside is scatter. If unsure, start with an open box. Most cats accept it readily, and a high-sided open tray catches scatter without enclosing your cat.

Get the Size Right (Most Boxes Are Too Small)

The rule that solves the most problems: the box should be at least one and a half times your cat's length from nose to tail base. Cats need room to turn, dig, and position without their rear hanging over the edge. Cramped boxes mean litter on the floor and, eventually, avoidance.

For kittens and senior or arthritic cats, watch the entry height. High walls keep litter in but can be hard to climb. Look for at least one low-entry side. Big cats almost always need a larger box than the pet-store default.

The One-Plus-One Rule and Placement

The proven guideline is one litter box per cat, plus one extra. Two cats means three boxes. This prevents resource guarding and gives a lower-ranking cat a safe option. Spread boxes across rooms or floors rather than lining them up, which a cat treats as one location.

Place boxes in quiet, low-traffic spots with an easy escape route, never a dead-end corner. Keep them away from noisy appliances and not right beside the water bowl. In winter, if your only spot is a cold basement, keep the path warm and lit so an older cat still makes the trip.

Self-Cleaning and Top-Entry Options

Automatic boxes can work well but suit confident adult cats far better than kittens or cats spooked by the motor. They need clumping litter and power. Treat them as a convenience upgrade once you know your cat is comfortable, not a fix for existing avoidance.

Top-entry boxes cut scatter and tracking and keep dogs out of the litter, a real perk in mixed-pet homes, though they are harder for seniors. Whatever the style, browse our cat litter boxes to match the box to your cat's age, size, and confidence.

Quick Setup Checklist

Start with an open box at least one and a half times your cat's body length, use one-per-cat-plus-one, place boxes in quiet spots with clear exits, and scoop daily with a full change on schedule. A clean box prevents most avoidance issues.

If your cat suddenly stops using a box it always accepted, treat it as a possible health signal and check with your vet first. Litter-box changes are one of the earliest signs of urinary trouble in cats.

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