How many fit
Only 5 of the 24 models checked meet every need here: “My kitten weighs less than 3 pounds”.
5 models fit, out of 24 checkedPicked for one job
Top pick

Leo's Loo Too states the lowest minimum of the group at 1 pound, but until it is safe a small kitten should use manual mode.
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At 1 pound, Leo's Loo Too has the lowest stated minimum here, yet a small kitten should stay on manual mode until it is safe.
By the numbers
What we found across the automatic litter boxes we compare, plus the checked facts behind each finding.
Only 5 of the 24 models checked meet every need here: “My kitten weighs less than 3 pounds”.
5 models fit, out of 24 checkedAt 1 lb, Casa Leo Leo's Loo Too has the smallest minimum cat weight for automatic cycling of the comparable models.
How we countedThe count uses each product's current fit ratings for “My kitten weighs less than 3 pounds”. A need with no documented match is not counted.
How we calculatedFigures are the maker's minimum cat weight for automatic cycling. A lighter cat should use the box only as the maker's manual-mode guidance allows. The median draws on the 12 of 24 models that publish comparable figures.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Casa Leo Leo's Loo Too |
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Decision guide
The lowest stated minimum here belongs to Leo's Loo Too at 1 pound, yet manual mode is the right setting for a small kitten until it is safe.
Its stated minimum is 1 pound, with LR4 beginning at 3 pounds and M1 at 2.2 pounds. A sensor minimum is no substitute for supervision.
The cabinet is 24 inches wide, and automatic cycling starts at 1 pound.
A small entrance can put off a large or cautious cat, however roomy the litter bed is.
1 options

Casa Leo, Leo's Loo Too
The cabinet is 24 inches wide, and the weight floor for automatic cycles is 1 pound.
Top pick ifbe shared by two or more cats and show which of them used it
Clumping clay litter is the only type the official guidance covers.
Ready to buy
Top pick for this job

Automatic cycles start at 1 pound.
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