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How to Choose a Lawn Mower

How to Choose a Lawn Mower

The right mower turns a chore into twenty quiet minutes; the wrong one turns it into a pull-cord wrestling match every Saturday. Before you buy, the real question isn’t brand — it’s how big your yard is, how much slope you’re fighting, and whether you ever want to touch gas again.

The short answer

For most suburban lots under a third of an acre, a self-propelled battery (cordless) push mower is the sweet spot — quiet, no fuel or oil changes, and plenty of power from a modern 40V–80V pack. Go gas self-propelled for a half-acre or thick grass, and step up to a riding mower once you’re past three-quarters of an acre.

Start with the size and shape of your yard

Everything flows from square footage. A tiny flat lot barely needs a motor; a rolling acre punishes an underpowered machine and your shoulders with it. Measure roughly — length times width, minus the house and beds — and match it to the mower class before you fall in love with a feature.

Yard size Best mower type Cut width Why
Under 1/8 acre, flat Push reel or corded/battery push 14–20 in Light, cheap, nothing to maintain
1/8–1/3 acre Self-propelled battery walk-behind 20–21 in Quiet, no gas, handles slopes with drive wheels
1/3–3/4 acre Self-propelled gas walk-behind 21–22 in Runtime and torque for thick or tall grass
3/4–2 acres Riding mower / lawn tractor 42–46 in Sit down; cut the time in half
2+ acres Zero-turn or garden tractor 48–60 in Speed and maneuverability around obstacles

Tip: a wider deck isn’t automatically better. A 22-inch deck won’t fit through a 30-inch gate, and a big riding deck can’t nose into tight island beds. Match the deck to your narrowest passage and your tightest corner.

Gas vs. battery vs. corded — the honest tradeoffs

This is the decision people agonize over, so here’s the plain version. Battery has won the walk-behind category for most homeowners: brands like EGO, Ryobi, Greenworks, and Makita now put out gas-equivalent power with none of the pull-starting, oil, spark plugs, or winterizing. The tradeoff is runtime — one charge covers a typical lot, but a big yard means a second battery.

Gas still owns the endurance game. If you mow tall, damp, or thick grass, or you’re out for an hour-plus, a Honda, Toro, or Craftsman gas engine just keeps going on a splash of fuel. The cost is upkeep: oil changes, air filters, fresh gas, and a pull cord that gets cranky. Keep a proper fuel can and stock the oil and filters so a tune-up never sidelines you mid-season.

  • Battery: quietest, zero fumes, near-zero maintenance, instant start — ideal for small-to-mid yards.
  • Gas: longest runtime, most torque for rough grass, refuel in seconds — ideal for large or overgrown lots.
  • Corded electric: cheapest and lightest, but you’re tethered — only sane for very small, obstacle-free yards.
  • Manual reel: silent and green, gives a golf-course cut on short grass, but useless once the lawn gets ahead of you.

Self-propelled or push? And what about the grass?

If your yard has any slope, or you’re past middle age, or the lot is bigger than a postage stamp, get self-propelled — the drive wheels do the walking. Look for variable speed so you can slow down in tight spots, and front-wheel drive for flat yards with lots of turning, rear-wheel drive for hills and bagging.

Then decide what happens to the clippings. A 3-in-1 deck (mulch, bag, side-discharge) is the flexible default and worth paying for. Mulching feeds nitrogen back into the lawn and is the low-effort choice; bagging keeps things tidy for leaves or seed heads; side-discharge blasts through tall grass fast. Feeding those clippings back plus a spring round of lawn fertilizer does more for a green lawn than any single mower feature.

The features that actually matter (and the ones that don’t)

Marketing sheets are long. The short list of things worth your money:

  • Adjustable cut height with a single lever per side — you’ll change it seasonally, so easy beats cheap.
  • Washout port on the deck — hook a hose, run the blade, done. Saves the underside from caking.
  • Brushless motor (battery) or OHV engine (gas) — more efficient, longer-lived.
  • Steel deck for big or rough yards; poly holds up fine and never rusts for smaller ones.
  • Tool-free folding handle if garage space is tight.

Things oversold: giant horsepower numbers you’ll never use, app connectivity, and headlights on a machine you’ll only run in daylight. Spend the money on a bigger battery or a self-propelled drive instead. And don’t forget the small stuff — a decent pair of work gloves and a sharp spare blade make every season easier. When something does wear out, most parts are stocked in mower repair parts.

Pick by yard

SMALL & FLAT

Under 1/8 acre, no hills. A lightweight battery push mower or even a reel mower is all you need — quiet, cheap, and stores in a closet.

TYPICAL SUBURBAN

1/8 to 1/2 acre with some slope. A self-propelled 40V–80V battery mower with a spare pack is the modern default — no gas, no fuss.

BIG OR ROUGH

Past 3/4 acre, thick grass, or long runs. Move to a gas self-propelled for endurance, or a riding mower or zero-turn to reclaim your Saturday.

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Frequently asked questions

Is a battery mower powerful enough for a real lawn?

For most yards up to about half an acre, yes. Modern 40V to 80V brushless mowers from brands like EGO, Ryobi, and Makita cut as well as a comparable gas engine. The limit is runtime, not power, so buy a second battery if your lawn is big or the grass gets tall between mows.

What size mower do I need for my yard?

Match cut width to lot size: a 20 to 21 inch walk-behind for anything up to three-quarters of an acre, and a 42 inch or wider riding mower beyond that. Also check your narrowest gate and tightest corner, because a wide deck that cannot fit through the gate or into a bed is the wrong size no matter how fast it mows.

Should I mulch or bag my grass clippings?

Mulch most of the time. Finely chopped clippings break down and return nitrogen to the soil, which means a greener lawn and less fertilizer. Bag when the grass is tall, wet, or going to seed, or when you are cleaning up leaves. A 3-in-1 deck lets you switch, which is why it is worth paying for.

Do I really need a self-propelled mower?

If your yard is flat and small, a push mower is fine and cheaper. Choose self-propelled if you have any slope, a lot larger than a small city lot, or you would rather not push a heavy machine. Rear-wheel drive handles hills and bagging best; front-wheel drive is better for flat yards with lots of turning.

How often should I change the oil in a gas mower?

Change the oil after the first five hours on a new engine to clear break-in metal, then once a season or roughly every 25 to 50 hours after that. Replace the air filter yearly and the spark plug every couple of seasons. Keeping oil, filters, and fresh fuel on hand means a quick tune-up never costs you a mowing day.

The best mower is the one that fits your yard and the way you like to spend a Saturday — and the surest way to get it right is to see the machines in person. Your local independent hardware store can put you behind the handle before you commit, and if you want a second opinion on size or fuel type, ask us here.

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Published July 9, 2026 · by National Hardware Group

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