Model # P551

Internet #202611233

Store SKU #994678

Ryobi ONE+ 18-Volt 7-1/4 in. Miter Saw (Tool-Only)


ONE+ 18-Volt 7-1/4 in. Miter Saw (Tool-Only)

  • Over 50 great ONE+ tools work with the same 18V battery platform
  • Any 18V ONE+ blue or green tool works with any 18V ONE+ battery
  • Provides cordless convenience with use of 18V ONE+ battery
$9900 /each

Frequently Bought Together

Product Overview

Ryobi Hero
Feature 1

The RYOBI 7.25" miter saw is ideal for light duty trim applications

Feature 2

0-45 degree miter capacity left and right with 9 positive stops at common miter angles

Feature 3

Weighing only 15 lbs. (without battery), this unit is compact and light weight for portability

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max cut thickness


1.5 IN.

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ryobi one+


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3 year

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free shipping

On power tool and accessory orders over $45

Designed for bench and stationary use, the powerful Ryobi 18-Volt ONE+ 7-1/4 in. Miter Saw offers miter angle stops at 0 degree, 15 degree, 22.5 degree, 31.6 degree and 45 degree to both the left and right. It cuts through a maximum thickness of 1-1/2 in. The saw also features a laser guide to help you achieve precision in a variety of cutting jobs.

California residents: see   Proposition 65 information

Info & Guides

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Name 9 Amp 7-1/4 in. Compound Miter Saw with Laser ONE+ 18-Volt 7-1/4 in. Miter Saw (Tool-Only) 14-Amp 10 in. Compound Miter Saw in Green 15-Amp 10 in. Sliding Miter Saw with Laser
Brand Ryobi Ryobi Ryobi Ryobi
Ratings (74) (216) (188) (400)
Maximum Cutting Thickness (in.) 1.5 1.5 12 3.5
Miter Saw Type Compound Compound Compound Sliding Compound
Bevel Type Single Single Single Single
Reconditioned No No No No
Blade Diameter (in.) 7-1/4 10 10
Power Tool Features Laser Guide,Positive Stops No Additional Features Electric Brake,Laser Guide,Positive Stops Laser Guide,Positive Stops
Cordless/ Corded Corded Cordless Corded Corded
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Warranty / Certifications

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Customer Questions & Answers

How large of a board can it cut?

The description says maximum cut depth is 1 1/4 inches. Does this mean that it cannot cut through a 2x4? (I realize that a 2x4 is actually 1.5 x 3.5).
Asked by: Daniel
I will cut anything up to x4. When you get to cutting the angels its a bit small. . Overall its a really nice saw. Very portable. As with any tool match it to the work. .
Answered by: Scott
Date published: 2015-09-20

does this plug into the wall also?

Asked by: frozenwalkway
No, it is battery powered only
Answered by: Brent
Date published: 2017-03-17

does this come with a blade

Asked by: 03
yes but thinner one may be better
Answered by: canauk
Date published: 2017-03-02

Does this have a laser

Asked by: tony
Yes, it has a laser. After adjusting it seems to work very well.
Answered by: Brent
Date published: 2017-02-17
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Customer Reviews

ONE+ 18-Volt 7-1/4 in. Miter Saw (Tool-Only) is rated 4.4 out of 5 by 216.
Rated 5 out of 5 by from Great tool For finish cutting this tool beats them all. Well made, great price.
Date published: 2016-08-03
Rated 5 out of 5 by from Miter Saw A good buy for the price. Would buy again. With all the tools
Date published: 2016-06-28
Rated 5 out of 5 by from Good tool the miter saw easy to carry and use.Can be sued anywhere.
Date published: 2016-08-02
Rated 5 out of 5 by from great for the money I works great It is just what I wanted great price
Date published: 2016-10-08
Rated 4 out of 5 by from I like it must bolt down to something. I used a harbor freight vise grip work bench a two bolds. laser was accurate on cuts. Cut thru 2x4 very easily. Cut a 2x8, but had to cut from both directions and trim till the cuts matched up. Battery was fair, not a problem if you have 2 batteries and have one charging all the time. Light weight, dust bag doesn't work so well, could probably tighten up the dust bag with a Velcro strap. I like it.
Date published: 2016-04-26
Rated 5 out of 5 by from Nice! I'm not a woodworker by any stretch of the imagination, but I needed a reasonably-priced tool that would make straight cuts, as I'm putting some shelving in a small, underutilized area in my living space. I already have some Ryobi One+ tools, so I figured that this would be a good addition to my system. It did exactly what I wanted it to do, with very little, just-out-of-the-box adjustment. I would recommend this saw to any amateur DIYers like myself...
Date published: 2012-05-30
Rated 4 out of 5 by from good value for price seems to function fine at 45 degree cuts and works well as a cut off saw, only thing is the dust collector, kind of redundent, its there but really does not contain the dust or wast material still need to use it in the outside, so back and forth with the install work. also the laser guide needs to be modified(which we done) to really work right
Date published: 2016-03-23
Rated 5 out of 5 by from Pretty good tool It would be incredible if it locked into the preset positions accurately. Unfortunately they are sloppy and you'll need a speedsquare to get the angles perfect each time you change the angle. Still, I love this tool. It's light and reliable. 1 regular battery will cut enough molding to do every piece in a small apartment.
Date published: 2013-05-14
Rated 5 out of 5 by from Great Purchase After 10 years using a hand powered miter saw I finally decided to go with the Ryobi 18v Compound miter saw. I make quite a few things out of Oak 2 and 3 inch boards. Using my hand miter saw, a cut that takes minutes now is finished in a few seconds. With a Freud 60 tooth finish blade this saw makes crosscuts so clean that very little sanding is needed. I would recommend a Lithium Ion battery. My retirement projects are so much more fun now since I can see results a whole lot faster.
Date published: 2015-04-29
Rated 5 out of 5 by from Outstanding Nice light saw, good for a quick job. Fast shipping. Good price.
Date published: 2015-12-31
Rated 4 out of 5 by from Good tool for light work Not used it too much yet, but it does exactly what it should do, as long as you keep to light duty jobs. New Lithiium ion batteries are plenty strong.
Date published: 2013-05-30
Rated 5 out of 5 by from My 1st Miter saw My 1st Miter saw. Bought this to add to my 6 pc Ryobi tools I got for Father's Day. Never used any power tools before except for power drill. This saw is very easy to use. Just read the manual on how to set up and went to Ryobi site for some basic instruction on how to use and was cutting 2x4s in no time. The saw is very light. Easy to use. I'm a seasoned DIY'fer but the quality to is very good. Uses the Ryobi 18V One Plus System. I'm not planning on doing elaborate projects (out of my league), but for doing some odd and ends around the house, it's perfect for me.
Date published: 2015-07-17
Rated 2 out of 5 by from Saw did not run. I received this for Christmas this year. I loved the idea that I could cut 2x4’s anywhere on my property. Unfortunately, the unit was shutting off mid cut, no matter hard or soft I tried to cut the board. I needed to flip the laser switch off to “re-set” the saw, then cut…die switch on…cut die switch off cut die. No matter how I tried to get it to run it just would not go. Called Ryobi Tech Support and they said they had never had one do that. Claimed it must be my batteries. I informed him that I also got for Christmas 4 brand new P108’s. The batteries have been running everything else with no problems. I tried all batteries with no success. So, back to the store it went. They are out of stock….even on line  I got a store credit till the new one comes in. I am hopeful that I had a bad unit. I will update this negative post after I get a new one and try it again. I’m giving it 2 stars because I’m willing to try another one, It should really only get 1 star…
Date published: 2014-01-10
Rated 5 out of 5 by from fantastic trim and project saw. I am rebuilding my small garage and used this saw over a several day span. All the replacement wood is wet pressure treated 1x4, 2x4 or 2x6. No problem cutting it. Its battery powered, so u go a little slower, thats the only concession I made. The laser guide is great. Very accurate. Just remember to turn it off after a cut. I felt this should be tied into the trigger. I cant see not wanting it on. Lite, easily transported around the job site and fairly quiet. Everyone enjoyed using it with no complaints. Im an ex contractor and own everything, but the Ryobi tools are now my goto tools. Fast, convenient, reliable.
Date published: 2015-05-27
Rated 5 out of 5 by from Handy! Ordered this to cut window trim and it pallet boards for decor itms. Easy to use, easy to move, does the job!
Date published: 2014-12-17
Rated 2 out of 5 by from small trim only Home use only. Don't use with trim over 3 1/2 ". Binds up easily.
Date published: 2015-02-25
Rated 2 out of 5 by from Got a dud Saw works great when it works. Sometimes during mid cut or between cuts when i depress the safety and trigger the saw will only spin maybe 2 inches. I change the battery and it still doesn't work. I change to a third battery and it starts working again. 10-15 minutes go by and it acts up again. I change it to the same battery that didn't work before and it works again. Not sure whats going on.... But when it works it works great. Lightweight, I use diablo blades and it cuts very smooth and precise. I used it to make my miter saw work bench, cut 2x4's and 1x4 trim boards. Too bad I have to return it. I have about 16 Ryobi 18V cordless tools and all of the other tools work great with my batteries which are three P109s (Lithium+), one P108(Lithium +) and one P128 (Lithium). When are they going to come out with a cordless Ryobi One + FRAMING NAILER like the new one Dewalt has???? C'mon RYOBI
Date published: 2014-04-05
Rated 5 out of 5 by from Pretty nice saw I bought this saw to cut small oak trim for a projection screen I am building. It has worked well. I was surprised that it has a soft start and maybe because of that it works fine with the smaller sized lithium battery. It is well made and looks almost identical to the 120 volt version. Although I am sure it does NOT have the same power as the 120 volt model. If I was going to do a lot of cutting I would get the 120 volt model. But I have a big miter saw and I think this one will come in handy for small jobs. And of course the set up time for this saw is almost zero.
Date published: 2015-04-08
Rated 3 out of 5 by from Good for small jobs Not as powerful as I had hoped or needed. Struggles to get through a 2x4 escpecially at an angle. Good for trim and other small lumber material but not strong enough for framing.
Date published: 2015-05-26
Rated 3 out of 5 by from ok i order this because its cordless, and i dont need a pro miter saw as i am just a home owner. i tested it when i was doing my home remodel. its has not enough power to cut a 2x4 like others, it shut itself down in middle of cutting, had remove the battery to reset it, this happen several times. also the laser not turn or when i switch on, turned couple time to turn on, this happen once. last thing is after use the saw, the battery can not to be charged right away, had to let it cold down for awhile before take it to the charger.
Date published: 2015-07-31
Rated 5 out of 5 by from Works as advertised Ibought this for putting up siding on my house, I love how portable it is, and the cuts are great,quality of the product is what you would expect maybe a little better. The only thing I can complain about is I just wish it would come with a battery.
Date published: 2012-08-01
Rated 3 out of 5 by from Useful, but not very powerful The saw is good for trim pieces or small lumber, but it quickly becomes overwhelmed with anything larger than a 2x4 or more than 4" wide. I'd go with a conventional saw if mobility isn't an issue.
Date published: 2016-04-05
Rated 5 out of 5 by from perfect this product is perfect for my small projects cant beat it I have all the One plus tools
Date published: 2012-06-06
Rated 5 out of 5 by from Great cordless saw, excellent value This is such a great little tool. If you already own this line of tools/batteries then you'd be silly not to add this incredibly useful bench-top and portable tool to your shop, garage or truck.
Date published: 2015-10-06
Rated 1 out of 5 by from Got a dud, too Purchased this saw and battery online. When it arrived I realized I needed a battery charger too! Went to local HD and bought the charger, charged the battery and put it in the saw. The blade would turn about 2" (same issue "Matt" another reviewer had). Tried it again and it wouldn't turn even 2". Put the battery back in the charger and the charger indicator lights said the battery was defective. So, drove to local HD and got an exchange for the battery. Charged it, put it in the saw and same results. Blade only moves about 2" at a time. Returning everything at this point and shopping for a different brand.
Date published: 2014-06-20
Rated 5 out of 5 by from What a Saw! Best miter saw purchased! This saw came ready to use, right out of the box. You can adjust the fence squareness if needed, but mine was spot on. The laser is very accurate, though I have the problem with trusting it. That's just me. The dust bag does seem to collect the saw dust well. I use the high capacity 4.0ah batteries and it has all the power needed to cut the hardwood flooring and trim boards that I need from a miter saw. This is an awesome addition to my collection of ONE+ tools. I received this saw as a gift, ( thank you Philip! )
Date published: 2014-08-21
Rated 1 out of 5 by from Two defective units in a row I ordered this miter saw since I have a number of other battery-operated Ryobi tools. On the first order, the unit shut down as soon as you pulled the trigger. After calling technical support, it was clear it was a defective unit. I ordered it again and the second unit had the exact same problem. I took it to the Home Depot store to make sure I wasn't overlooking some setup procedure. They agreed that it was defective as well.
Date published: 2013-08-16
Rated 5 out of 5 by from Ryobi 18v Chopsaw I purchased a 18v Ryobi Chop Saw a few years ago when it was carried in my local home Depot and have been vary pleased with it. I recently purchased another one for my Vacation home. It's light and easy to use in a hurry. Works great for small jobs with trim and 2x4s. Patience needed when cutting wet pressure treated 2x4s.
Date published: 2015-05-05
Rated 1 out of 5 by from Ryobe oneplus 7 1/4" miter saw review It was not powerfull enough to go thru a standard 2 X 4 without binding. The fence appears to be made from some inferior cast of metal and cracked the after the first few uses. Returned it after 1 week.
Date published: 2015-11-03
Rated 5 out of 5 by from Great Compact Miter Saw Performs better than I had expected. Perfect for smaller jobs and smaller cuts. Love the laser and the weight to this saw. Very compact! Used it to build my blind dog a ramp to the steps.
Date published: 2015-02-04
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