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Big lawns
Big lawns
A robot mower can only cut so much grass on one charge. These ones can keep a big lawn tidy.
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Mowers for big lawns
Best for your yard
The best robot mowers for a half-acre lawn and up in 2026
Dana Whitlock
Sep 2026
Three robot mowers rated for half an acre and up. We compare them on lawn area, slope, tree cover, cut width and noise. We say which kind of big lawn each one suits.
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Review
4.3
/5
ECOVACS GOAT A3000 LiDAR PRO review: a big yard, even under trees
Dana Whitlock
Sep 2026
It maps your lawn with a laser and a camera instead of satellites, so tree cover doesn't stop it. It cuts up to about three-quarters of an acre. The edging trimmer is loud.
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Use our Yard Finder to find the best robot mowers for your exact yard
Trace your lawn. We read its size, slope and tree cover off the map, then show you the mowers that clear those numbers.
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The other five things that decide a mower
Is something else about your lawn the real problem?
Steep yards
For lawns on a slope or a hill.
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Small & city lawns
For small, city or fenced lawns.
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Trees, beds & narrow gaps
For lawns with trees, flower beds or narrow paths.
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No boundary wire
Robot mowers you do not have to wire in.
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Under $1,000
Robot mowers under $1,000.
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