Start with a box in the right location
The first step is placing the litter box where your cat can reach it easily and will actually use it. Cats need privacy but also a quick escape route if they feel threatened. Put the box in a quiet corner away from their food and water bowls — cats naturally avoid toileting near where they eat. A laundry room, bathroom, or spare closet works well for most households.
If you have multiple cats, the general rule is one box per cat plus one extra. Space them in different areas so each cat has options and doesn't feel trapped. A cat that can't reach a box in time will go elsewhere, and that becomes a habit fast.
Keep the box away from noisy appliances like washing machines or furnaces. A sudden loud noise while your cat is using the box can create anxiety about that location, and they'll start avoiding it. Once a cat decides a spot is unsafe, retraining takes weeks.
Key Takeaways
- Place the litter box in a quiet, accessible location away from food and water, with at least one box per cat plus one extra spread across your home.
- Use unscented litter in a box large enough for your cat to turn around in, and scoop waste daily to keep the box appealing.
- Watch for signs your cat needs to go — sniffing, circling, or restlessness — and gently place them in the box when you see these behaviors.
- If your cat has an accident outside the box, clean the spot thoroughly with enzymatic cleaner to remove the scent that draws them back to that location.
- Kittens typically learn from their mother or littermates, but older cats and rescues may need patient repetition and positive reinforcement over several weeks.
Choose litter and a box size that work for your cat
The type of litter matters more than most people realize. Unscented, fine-grained litter is the safest starting point because it mimics natural soil and doesn't irritate sensitive paws or noses. Scented litters, clay-based varieties, and large pellets often turn cats away — they feel wrong underfoot or smell too strong. If your cat is refusing the box, the litter itself is often the culprit.
The box itself should be large enough for your cat to turn around and dig comfortably. A box that's too small or too tall creates frustration. For kittens, use a shallow box or a low-sided container so they can climb in without struggling. As they grow, you can transition to a standard-sized litter box.
Scoop the box daily and do a full litter change at least once a week. A dirty box is the most common reason a cat stops using it. If the box smells bad to you, it smells worse to your cat, and they'll find somewhere else that feels cleaner.
Watch for signs your cat needs to go and place them in the box
Kittens and newly adopted cats often show clear signals before they toilet: sniffing the ground, circling, crouching, or restlessness. When you see these behaviors, gently pick up your cat and place them in the litter box. Stay nearby but don't hover — some cats feel watched and won't go. Once they finish, praise them quietly and let them leave on their own.
Timing matters. Place your cat in the box after meals, after naps, and before bedtime. These are the times cats naturally need to go. Consistency builds the habit faster than waiting for accidents to happen.
If your cat uses the box successfully, don't make a big fuss — a calm "good cat" is better than excited praise, which can startle them mid-toilet and create negative associations with the box.
Clean accidents thoroughly to prevent repeat spots
When your cat has an accident outside the box, the smell is a map that draws them back to that exact spot. Regular household cleaners don't remove the scent — you need an enzymatic cleaner designed to break down urine and feces at the molecular level. Products containing enzymes that target pet waste are sold at most pet stores and online retailers.
Soak the soiled area with enzymatic cleaner, let it sit for the time the product recommends (usually 10 to 15 minutes), and then blot it up. Don't use ammonia-based cleaners, which can smell like urine to cats and reinforce the spot as a toilet. Once the area is clean, consider placing a litter box nearby temporarily — some cats will use it once they realize that's the designated spot.
If accidents happen repeatedly in the same location, move a litter box to that spot for a week or two. Once your cat uses it consistently there, you can gradually move the box back to your preferred location, shifting it a few feet per day.
Understand how age and background affect training time
Kittens raised with their mother or littermates usually learn to use a litter box by watching them — this happens naturally between 3 and 6 weeks old. By the time a kitten is 8 weeks old and ready to go home, most are already box-trained. Your job is mainly maintaining the habit by keeping the box clean and accessible.
Older cats and rescues may not have had consistent access to a litter box or may have learned to go elsewhere. These cats need patience and repetition. Training can take anywhere from a few days to several weeks depending on the cat's age, past experience, and temperament. Some cats catch on in a week; others need a month of consistent placement and reinforcement.
If a cat has lived outdoors or in a shelter without reliable litter box access, they may not understand what the box is for at first. Place them in it multiple times daily, especially after meals and naps, until the behavior becomes automatic.
Rule out medical issues if your cat avoids the box
A cat that was reliably using the box and suddenly stops may have a medical problem rather than a behavioral one. Urinary tract infections, digestive issues, arthritis, or pain can make a cat avoid the box because they associate it with discomfort. If your cat is straining, going more frequently than usual, or seems to be in pain, contact a veterinarian before assuming it's a training issue.
Older cats sometimes avoid boxes because climbing in or squatting has become painful. A lower-sided box, a ramp, or a larger box that requires less bending can help. A vet can rule out pain or illness and recommend adjustments specific to your cat's needs.
Stress and anxiety can also cause box avoidance. Changes in the home — a new pet, a move, loud noises, or a change in routine — can make a cat stop using the box temporarily. Keep the box in a consistent location and maintain a calm environment while your cat readjusts.
Manage multiple cats and prevent territorial issues
When you have more than one cat, territorial behavior can interfere with litter box use. A dominant cat may guard the box, preventing others from using it. This is why spacing boxes in different areas is critical — each cat needs a route to a toilet that doesn't require passing through another cat's territory.
Watch for signs of tension: one cat waiting outside the box for another to finish, or a cat using the box only when others are asleep. If you see this, add another box when ready. The extra box gives the subordinate cat an escape route and reduces conflict.
Covered boxes can help shy cats feel safer, but they also trap odors and make it harder for you to monitor cleanliness. An open box with high sides is usually a better compromise — it gives privacy without trapping smell.
Frequently Asked Questions
How long does it take to potty train a kitten?
Most kittens are naturally box-trained by 6 to 8 weeks old if they've been around their mother or littermates. Your role is keeping the box clean and accessible. If you're starting from scratch with an older kitten or cat, expect 1 to 4 weeks of consistent placement and reinforcement before the habit is solid.
What should I do if my cat keeps missing the box?
Missing the box usually means the box is too small, too dirty, or the litter type is wrong. Try a larger box, change the litter to unscented fine-grained type, and scoop daily. If the box is in a noisy or stressful location, move it to a quieter spot. If missing continues, have a vet rule out arthritis or other pain that makes squatting difficult.
Can I use regular sand or soil instead of cat litter?
Some cats will use sand or soil, but it's not recommended. Outdoor soil can carry parasites and bacteria, and sand doesn't clump, making it harder to keep clean. Cat litter is designed to be safe, absorbent, and straightforward to maintain. Start with unscented litter — if your cat rejects it, the problem is usually the box location or size, not the litter type.
Why does my cat go in the bathtub instead of the litter box?
Cats often choose smooth, contained spaces like bathtubs when they avoid the litter box. This usually signals the box is dirty, the litter type is wrong, or the box location feels unsafe. Clean the tub thoroughly with enzymatic cleaner, then address the box itself — try a different litter, move the box to a quieter location, or add a second box in a different area.
Is it normal for a newly adopted cat to have accidents for the first week?
Yes, especially if the cat came from a shelter or outdoor environment. A new home is stressful, and the cat may not know where the box is or may be anxious about using it. Keep the box in an obvious, quiet location and place the cat in it several times daily. Most cats settle within a week or two once they feel safe and understand where the toilet is.