# Best Cat Litter Boxes for Odor Control & Small Spaces

*May 28, 2026 · Pet Products · PK Finder*

**Quick answer:** Get a box about 1.5× your cat's length with high sides for diggers; daily scooping controls odor far more than any "odor-control" feature.

- Size: about 1.5× your cat's body length
- High sides contain litter from enthusiastic diggers
- Daily scooping beats any odor gadget

Most litter-box problems come down to the box being too small or hard to access. Get those right and odor mostly takes care of itself.

## Size and access

A box roughly **1.5 times your cat's length** lets them turn and dig comfortably — cramped boxes lead to accidents outside it. Kittens and senior cats need a **low entry** on at least one side.

## Covered, open, or top-entry?

- **Open** — most cats prefer it; easiest to keep an eye on.
- **Covered** — more privacy and contains smell, but needs ventilation and more frequent scooping.
- **Top-entry** — great for litter scatter and small spaces; not for kittens or stiff seniors.

## What actually controls odor

**Daily scooping** and a good clumping litter do more than any built-in deodorizer. Have **one box per cat, plus one**, and place them in quiet, accessible spots. Compare current litter boxes on Amazon.

## Frequently asked questions

**Covered or open litter box — which is better?**

Most cats prefer an open box; it feels less trapped and is easier for you to monitor. Covered boxes contain odor and litter better but need good ventilation and more frequent scooping. If you choose covered, watch that your cat actually uses it.

**How big should a litter box be?**

About 1.5 times your cat's body length, so they can turn around and dig comfortably. Cramped boxes are a top cause of accidents. Follow the "one box per cat, plus one extra" rule in multi-cat homes.

Source: https://picks-finder.com/guides/pet-friendly-home/articles/best-cat-litter-boxes.html