Litter box issues are one of the most common struggles for cat parents. It’s most important to first make sure it is not a health issue. When health is good, but litter box issues persist, many cat parents resign themselves to a behavioral issue. But the good news is it’s often not a behavioral problem. It is a setup problem.
Two of the biggest issues we see are:
• Not having enough litter boxes
• Litter boxes that are too small
When your cat does not feel comfortable in their litter box, they will look for somewhere else to go. The good news is this is an easy fix.
Why Most Litter Boxes Are Too Small
The general rule is simple:
A litter box should be at least 1.5 times the length of your cat – from nose to the base of their tail.
This gives them enough space to:
• Turn around comfortably
• Dig and cover properly
• Feel safe while doing their business
Most litter boxes sold in pet stores or online do not meet this requirement. They are often too small, which can lead to stress, avoidance, and accidents outside the box.
Why Make Your Own Litter Box?
Making your own litter box is one of the easiest and most affordable upgrades you can make.
Benefits include:
• More space for your cat
• Lower cost compared to store-bought boxes
• Ability to create multiple boxes for multi-cat homes
• Reduced risk of inappropriate elimination
For the price of one undersized litter box, you can often make several properly sized ones.
What You Will Need
We recommend using large storage totes, which you can find at most hardware stores.
Our favorite:is a 90-quart storage tote – plenty of space with high sides!
Step-by-Step: How to Make Your Own Litter Box
Follow these simple steps to create a comfortable litter box your cat will actually want to use.
1. Choose Your Opening
Decide where you want the entrance to be and draw an outline.
For senior cats or cats with mobility issues, keep the opening low so they can step in and out easily..
2. Soften the Plastic Before Cutting
To make cutting easier, gently heat the area where you plan to cut.
You can use:
- A hair dryer
- A long lighter
- A heat gun
Important: Do this step outside. Heated plastic can release harmful gases and particles that you and your cat should avoid breathing.
3. Cut the Entrance
Using a utility knife or sharp scissors, carefully cut out the opening.
Leave at least 3 inches at the bottom to help keep litter inside the box.
4. Smooth the Edges
Lightly heat the cut edges to soften and smooth any sharp areas.
This helps prevent scratches and makes the box safer for your cat.
5. Place the Litter Box Properly
Put the finished box in an easily accessible, low-traffic area where your cat feels safe.
Avoid loud, busy spaces that could make them feel vulnerable.
Pro Tips for Litter Box Success
- Have one litter box per cat, plus one extra
- Scoop daily to keep it clean and inviting
- Avoid scented litter
- Make sure boxes are easy to access at all times
The Bottom Line
When it comes to litter boxes, size and setup matter more than most people realize.
By giving your cat enough space and the right environment, you are not just preventing accidents. You are supporting their comfort, confidence, and overall well-being.
And the best part is, it is simple, affordable, and something you can do today.
Your cat will absolutely notice the difference.
FAQ
How big should a litter box be for a cat?
A litter box should be at least 1.5 times the length of your cat from nose to the base of their tail. Bigger is almost always better.
How many litter boxes should I have?
The rule is one per cat, plus one extra. This helps prevent territorial stress and accidents.
Are covered litter boxes a good idea?
Most cats prefer open litter boxes. Covered boxes can trap odors and make cats feel trapped or unsafe.
What type of litter box is best for senior cats?
Low-entry litter boxes are best. This makes it easier for them to step in and out without pain or strain.
Why is my cat going outside the litter box?
In many cases, it is due to litter box size, cleanliness, location, or the number of boxes available. Fixing these often resolves the issue.
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