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Step 1
Consider pricing before you begin comparing cat litter boxes. A simple cat litter box might run about $10, but you could spend over $150 for a self-cleaning model, or even more for designer litter boxes that are hidden inside furniture.
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Step 2
Examine the size of the boxes you're considering to ensure that the box you buy is large enough to accommodate your cat. Your cat should be able to stand comfortably in the middle of it with a few inches to spare on each side.
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Step 3
Compare the depth of the litter box to your cat's height. Though the litter box needs to be deep enough to hold 1 to 2 inches of litter, it also needs to be easy for your cat to enter and exit. If your cat sprays or stands to urinate, the side of the box must be at least as tall as your cat's back. If you have a kitten or an elderly cat, look for a litter box with low sides or with a ramp.
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Step 4
Determine whether you want a covered box or an uncovered box. Each has its advantages and disadvantages. A covered box can help check odor and keep the litter contained, but the Humane Society explains that some cats are not comfortable in covered litter boxes and so may start urinating and defecating elsewhere. If you choose to purchase one with a cover, get the largest one available to best accommodate your cat.
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Step 5
Check for special features. Some are obvious, like self-cleaning mechanisms or sifting trays that help you manually clean the box. Others are not as obvious, such as odor and stain resistance. These features can help you decide among similar models, once you've narrowed your selection to just a few litter boxes.
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Step 6
Look at the box shape, and think about where you'll place it. Rectangular boxes are the most common and are, clearly, able to fit in most spaces. However, some boxes are designed to fit into corners, which can save space. Others are round, which can be more accommodating for your cat---especially if she moves around a lot when she scratches in the litter box.
