Can a Ryobi garden mower really mow 1/2-acre? I measured and discovered


In addition to energy instruments, Ryobi affords a big selection of out of doors energy gear. If you’ve got ever thought-about certainly one of its electrical garden mowers, you are in all probability questioning whether or not it will possibly really mow 1/2 or 3/4th of an acre like Ryobi guarantees on the field. After briefly testing an 18V and upgrading to a extra succesful 40V mower, I measured and examined it myself.

Tackling the yard is a type of jobs individuals both love or hate. If you are attempting to get that grass golf-course inexperienced or need to ditch the fuel mower, Ryobi has you lined. Having the precise device for the job could make all of the distinction. As lengthy as you purchase the precise Ryobi mower for the scale of your yard, it is really a fairly straightforward job.

1/2 an acre is simple, with the precise mannequin

You’ll desire a Ryobi 40V mower

Before I start, it is vital to notice that Ryobi sells a number of completely different electrical garden mower fashions. Not solely are there smaller 18V variations that run in your energy device battery packs, however there are additionally bigger 40V choices with extra energy and runtime. In addition to those two platforms, you will discover older common mowers, newer fashions with brushless motors, and a number of dimension choices to select from.

While an 18V garden mower is likely to be okay for very small yards, or somebody who solely has a small patch of grass, your greatest wager is to spend somewhat extra and get a extra highly effective Ryobi 40V garden mower. In the long term, it’s going to be the higher determination. Most householders will need (and wish) the additional energy.

A standard query I see on-line is whether or not a Ryobi garden mower can really end a complete yard on a single cost. Furthermore, can one actually mow 1/2 an acre, or probably 3/4th of an acre?

The quick reply is sure, completely, however you are greater than prone to succeed with a bigger 40V model. Let me clarify.

Front of Ryobi 40V brushless lawn mower

When I first purchased my residence and wanted a mower straight away, I discovered a used Ryobi 18V mower on Facebook Marketplace. I believed that may be a good suggestion, as I’ve dozens of Ryobi 18V ONE+ instruments. Unfortunately, it was somewhat too small and did not have sufficient juice to energy by means of my yard. Even with my brand-new 18V 6Ah HP batteries, it might die earlier than I completed the entrance yard.

Now, that may very well be as a result of it was an older mannequin, and who is aware of how a lot it was used, and I’m fairly assured a brand-new 18V brushless mannequin would carry out higher. Still, I did not need to take that danger, and I already personal some 40V yard instruments, so I jumped to a bigger and better 40V version.

Screenshot 2025-12-10 at 10.38.02 AM

Battery Life

Up to 80 minutes

Tool Type

Lawn Mower

Ryobi’s 40V electrical garden mower is quiet, succesful, and comes with two 40V 6Ah battery packs and a speedy charger. It’s all you could deal with your yard. 


A fast measurement exhibits Ryobi’s declare is stable

One 40V battery handles my yard with ease

Ryobi mower and two 40V batteries

My Ryobi 40V 21-inch self-propelled brushless garden mower comes with two 40V 6Ah battery packs, however I do not even want the second battery.

I measured my yard, and I’ve about 0.37 acres (16,000 sq ft) of grass throughout the entrance, sides, and huge yard. That’s exactly why I selected a bigger 21-inch deck and a mannequin that got here with two battery packs. I by no means needed to get caught midway, ready for a recharge.

Turns out, Ryobi’s declare that just about each 40V garden mower can deal with a 1/2 acre is correct. I can mow my whole 0.37 acres of grass and nonetheless have two bars left on the battery indicator. That stated, these two remaining bars aren’t sufficient to complete your entire yard a second time, because it runs out a bit quicker. If I do not use self-propel, it’ll last a little longer, however then what is the level in having the characteristic?

Keep in thoughts that battery life and efficiency will range if the grass is just too tall, or if I have never mowed quickly sufficient and let issues get out of hand. Shorter cuts are simpler on the motor and higher to your garden.

Thankfully, my Ryobi 40V mower holds two battery packs however makes use of solely separately. As quickly because it dies, or I discover it getting low, I can flip the crimson pin (pictured above) and swap issues over to the secondary battery. And as I stated earlier, I hardly ever want to try this as a result of a single battery can deal with my 0.37 acres.

Ryobi’s 40V electrical mower is stable

Considering I can nearly mow my whole 0.37-acre garden twice on a single cost, that is definitely greater than 1/2 an acre. And after I think about each battery packs, I’m properly inside Ryobi’s marketed promise of three/4th an acre and 80 minutes of runtime.

At the top of the day, the precise device for the job makes all of the distinction. While you may be capable of get by with an 18V mower, you will love the added runtime and energy of a 40V. Trust me on that one.



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