Litter Box Calculator: How Many Boxes You Need

Not enough litter boxes is the single most common cause of a cat going outside the box. This litter box calculator applies the standard rule vets and behaviorists give: one box per cat, plus one extra.

Litter Box Calculator

Boxes need to sit in separate locations too, not lined up next to each other, since a nervous cat will avoid a box it has to pass another cat to reach. The litter box guide covers sizing and style once you know how many you need.