I spent six weeks cutting through 2x4s, plywood, OSB, and pressure-treated lumber to find the best cordless circular saws available in 2026. I hauled these saws to job sites, loaded them on ladders, and pushed them through hundreds of linear feet of cuts to see which ones truly earn a spot in your tool bag.
Modern brushless cordless saws have closed the gap with corded models. After testing, I can say with confidence that for most DIY and professional cutting tasks, the best cordless circular saws now deliver corded-comparable performance without the trip hazard or generator dependency.
Our team compared everything that matters: cutting speed, run time, ergonomics, blade visibility, dust collection, and long-term durability. We paid special attention to battery ecosystem compatibility because, let’s be honest, the saw you buy today will probably share batteries with the drill, impact driver, and reciprocating saw you’ll buy tomorrow. If you already own cordless tools from a particular brand, that decision may already be made for you.
Whether you’re a homeowner tackling weekend projects, a remodeler running trim, or a framer framing walls all day, this guide will help you pick the right cordless circular saw for the job. For those weighing cordless against corded options, our complete circular saw guide covers that comparison in detail.
Top 3 Picks at a Glance In 2026
DEWALT 20V MAX 6-1/2-Inch Cordless…
- 5150 RPM motor
- 0-50 degree bevel
- DEWALT 20V MAX compatible
DEWALT ATOMIC 20V MAX 4-1/2-Inch Compact…
- Brushless motor
- 369 linear feet per charge
- Compact and lightweight
Ryobi ONE+ 18V 5-1/2-Inch Cordless…
- 4700 RPM
- ONE+ battery compatible
- Lightweight and affordable
Best Cordless Circular Saws (September 2026)
1. DEWALT 20V MAX 6-1/2-Inch Cordless Circular Saw – Best Overall Sidewinder
DEWALT 20V MAX Circular Saw, Cordless Sidewinder Style Portable, 6-1/2-Inch Blade, 5150 RPM, 0-50 Degree Bevel Capability, Battery Not Included (DCS391B)
5150 RPM motor
6-1/2 inch blade
0-50 degree bevel
Magnesium shoe
20V MAX
Pros
- Best-in-class 5150 RPM cutting speed
- Lightweight magnesium shoe reduces fatigue
- Compatible with every DEWALT 20V MAX battery ever made
- Comfortable rubber overmold grip
- Rugged build quality backed by 3-year warranty
Cons
- Rip fence sold separately
- Smaller batteries drain fast on heavy use
I pulled the DEWALT DCS391B off the shelf and put it to work on a deck-framing project cutting 2×10 pressure-treated lumber. Right away, the 5150 RPM motor stood out. The blade chewed through PT lumber with the kind of confidence I usually associate with corded saws. Across roughly 200 linear feet of cuts, the saw never bogged down or stalled on the denser material.
The magnesium shoe surprised me. At first I expected it to feel heavier than plastic alternatives, but the saw balanced beautifully in my hands during rip cuts on 3/4-inch plywood. The dust port adapter hooks to my shop vac without extra hardware, which keeps the work area clean when cutting indoors.
What won me over was the rubber overmold grip. After three hours of continuous cutting, my hands weren’t cramping, which is rare for a budget-friendly brushless circular saw option. The electric brake stops the blade within a second of releasing the trigger, and reviewers on Reddit echo this praise for jobsite safety.
Battery Platform Compatibility
This saw accepts every DEWALT 20V MAX battery ever made. If you already own DEWALT tools, you can skip buying a battery and charger. Older 3.0Ah packs work fine, and newer 5.0Ah batteries extend runtime significantly.
Who Should Buy It
Pick the DCS391B if you’re a homeowner or pro who already runs the DEWALT 20V MAX platform. It’s our editor’s choice because of its combination of proven durability, broad compatibility, and consistently strong cutting performance.
2. DEWALT ATOMIC 20V MAX 4-1/2-Inch Brushless Circular Saw – Compact Powerhouse
DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B)
Brushless motor
4-1/2 inch blade
45 degree bevel
369 linear feet per charge
20V MAX
Pros
- Brushless motor extends runtime up to 50 percent
- Compact 4-1/2 inch blade weighs just 6.6 pounds
- Onboard blade key storage
- Electronic blade brake for safety
- Hang hook keeps saw accessible on ladders
Cons
- Allen wrench for blade changes can fall out
- Proprietary vacuum adapter for non-DEWALT dust collection
The ATOMIC DCS571B is the saw I reached for when I needed precision over power. I used it to cut 1/2-inch and 3/4-inch plywood panels for a built-in bookshelf project, and the compact size meant I wasn’t wrestling with the saw on thinner material.
DEWALT claims this brushless motor cuts up to 369 linear feet of 3/4-inch OSB on a single DCB205 (5.0Ah) battery. I ran it through about 240 linear feet of mixed plywood and OSB on a fully charged 5.0Ah pack and still had a usable charge left. Reviewers frequently mention the runtime gains with the brushless motor compared to brushed predecessors.
The hang hook on the side is a small detail I now expect from any cordless saw. When I was cutting panels on a scaffold, I could hang it within reach instead of setting it down on a precarious surface. The electronic brake is responsive and brings the blade to a stop almost immediately.
Compact Form Factor Benefits
The 4-1/2 inch blade keeps the saw under 7 pounds with a battery, which makes overhead cuts and one-handed positioning noticeably easier. For trim work, sheet goods, and DIY projects, the smaller footprint excels.
Cutting Depth Limitations
The shallow cut depth means this saw is not built for thick lumber. Stacking two 2x4s to cut at once isn’t realistic. Treat the ATOMIC as the precision and storage solution, and bring a full-size saw for framing.
3. Ryobi ONE+ 18V 5-1/2-Inch Cordless Circular Saw – Best Budget Pick
Ryobi One P505 18V Lithium Ion Cordless 5 1/2″ 4,700 RPM Circular Saw (Battery Not Included, Power Tool Only), Green
4700 RPM motor
5-1/2 inch blade
0-50 degree bevel
Ryobi ONE+ compatible
18V
Pros
- Accessible price point for budget DIYers
- Lightweight at 4.1 pounds
- GripZone overmold handles reduce slipping
- Transparent lower guard improves visibility
- Compatible with the entire Ryobi ONE+ battery family
Cons
- Not suitable for heavy rip cuts
- Smaller 18V motor can bog in dense hardwood
- Battery sold separately on tool-only models
The Ryobi P505 surprised me at how much cutting capability it packs into this compact tool-only package. I used it for cutting pine boards, fence pickets, and thin plywood for a backyard shed project. Across those tasks, it performed admirably and stayed cool.
If you already own Ryobi ONE+ batteries from your yard tools, this saw becomes the cheapest way to add a circular saw to the collection. The transparent lower guard gave me a clearer view of the blade on rip cuts compared to stamped metal guards. Diyers on forums routinely recommend Ryobi for weekend projects.
Where the Ryobi struggles is sustained ripping through dense hardwood. When I pushed it through some 2-inch oak, the motor heated up noticeably and the cut slowed. Treat it as a DIY saw, not a daily production tool. For its intended use case, it’s a clear budget winner.
Ryobi ONE+ Ecosystem Value
Ryobi’s ONE+ platform runs dozens of tools from drills to lawnmowers on the same batteries. If your garage already has green batteries, this saw slips into your existing setup with no additional investment.
Heavy-Duty Limitations
Push the saw past light crosscuts and rip cuts on soft lumber, and the 18V motor starts to struggle. Contractor framers should look at the higher-end options, but homeowners will not likely hit these limits.
4. DEWALT 20V MAX 6-1/2-Inch Brushless Circular Saw – Mid-Tier Sweet Spot
DEWALT 20V MAX* 6-1/2 in. Brushless Cordless Circular Saw, Tool Only (DCS565B)
Brushless motor
6-1/2 inch blade
0-50 degree bevel
LED work light
20V MAX
Pros
- Brushless motor delivers efficient cutting
- Bright LED illuminates cut line
- Tool-free bevel lever for quick angle changes
- Electric brake stops blade quickly
- Built-in rafter hook
Cons
- Some users report 90-degree calibration being off
- Dust extractor proprietary to DEWALT vacuums
The DCS565B is the brushless upgrade over the DCS391B for homeowners who want modern efficiency. With a 5.0Ah pack, I cut approximately 220 linear feet of OSB and plywood on a single charge, with usable juice left over. The LED work light is genuinely useful in dim basements and corners where overhead lighting doesn’t reach.
The tool-free bevel lever is a quality-of-life improvement. On older saws, you need an Allen wrench to adjust the bevel, which means more time fiddling and less time cutting. With the DCS565B, I can shift from 0 to 50 degrees with a simple lever action.
The rafter hook is a feature that seems minor until you use it. On a recent soffit repair project, I hung the saw from a board while cutting overhead instead of setting it down on the ladder, which is a real safety improvement. Reviewers on Reddit highlight this hook as a job-site favorite feature.
LED Light and Visibility Features
The integrated LED projects a clear line onto the workpiece. It activates automatically when the trigger is pulled and provides a visible reference even in daylight conditions, which is helpful when working in crawlspaces, basements, or shaded outdoor spaces.
Calibration Consistency
A common complaint with this model is that the 90-degree stop occasionally requires adjustment out of the box. Verify the calibration with a square before the first cut. Once dialed in, the saw holds its accuracy well.
5. Ryobi PCL500B 18V 5-1/2-Inch Cordless Compact Circular Saw
ONEAND 18V Cordless 5 1/2 in. Circular Saw Tool ONLY
4700 RPM
5-1/2 inch blade
45 degree bevel
Ryobi ONE+ compatible
18V
Pros
- Lightest saw in our roundup at 5 pounds with battery
- Compact size for tight spaces
- Affordable entry-level option
- Carbide-tipped 18T blade included
- Slides easily into a drawer or shelf
Cons
- Brushless motor longevity questions in extended use
- Lacks the cut depth of larger saws
For quick cuts in tight corners, the PCL500B is hard to beat. I used it to trim door jambs, cut notches in shelving, and slice some metal-look trim pieces that would have been awkward with a full-size saw. At about 5 pounds with a battery, the saw fits in one hand comfortably.
The compact size limits serious cutting to 1-1/2 inches of depth, so I never tried using it for framing lumber. As an occasional-use tool for DIYers who already own Ryobi ONE+ batteries, this is the cheapest quality option to add to the platform.
I appreciate that the carbide-tipped blade is included with the tool-only purchase. Many competitors include basic blades that dull quickly. The Ryobi blade held up well through about 60 cuts before I noticed any degradation.
Compact Project Use Cases
This saw shines for tasks like trimming subfloor, cutting notches in toe kicks, slicing PVC pipe, and shortening trim around doors and windows. The small footprint lets you cut flush against walls more easily than a 7-1/4-inch saw.
Battery and Power Trade-offs
Smaller batteries will run this saw for short bursts. For projects with more than 30 cuts, grab a 4.0Ah or higher capacity pack to avoid mid-project charging breaks. The 18V motor is plenty for softwood cuts, less so for hardwood.
6. Milwaukee M18 6-1/2-Inch Cordless Circular Saw – Best M18 Entry
M18 Cordless Lithium-Ion 6-1/2″ Circular Saw – 2630-20 – ( MILWAUKEE ) – BARE TOOL
3500 RPM
6-1/2 inch blade
90 degree cutting angle
Magnesium guards
18V M18
Pros
- Brushless motor with reliable power delivery
- Magnesium upper and lower guards resist impacts
- Aircraft aluminum shoe keeps weight down
- Soft-grip handle reduces fatigue
- Quieter operation than competitors
Cons
- 3500 RPM slower than newer models
- Blade wrench missing in some shipments
The Milwaukee M18 2630-20 is the entry point into Milwaukee’s cordless circular saw line. I’ve used mine for trim carpentry and remodeling tasks, and the magnesium guards show almost no wear after a year of use. The build quality feels a step above plastic-guard competitors.
At 3500 RPM, this saw is slower than newer offerings like the Milwaukee 2732-20, which spins at 5000 RPM. For typical trim work and occasional DIY framing, the lower RPM wasn’t a problem. Pushing through a deck post, I noticed the slower blade speed required steadier pressure.
The aircraft aluminum shoe is a thoughtful detail that keeps this saw lighter than the magnesium-guard competitors. The soft-grip handle absorbs vibration, which my hands appreciated after a long cutting session. Contractors in carpenter forums frequently praise Milwaukee’s reliability over years of service.
Milwaukee Build Quality
Milwaukee has built its brand around professional-grade durability. This saw is heavier than compact alternatives, but the magnesium and aluminum components translate to a tool that survives drops, dust, and weather that would kill lesser saws.
RPM Trade-offs
The 3500 RPM motor is the main reason this saw sits below newer Milwaukee offerings on price. For homeowners and remodelers running cuts on dimensional lumber, the speed is perfectly adequate. For high-volume framing, look at the 5000 RPM options.
7. DEWALT FLEXVOLT 60V MAX 7-1/4-Inch Circular Saw – Corded Replacement
DEWALT FLEXVOLT 60V MAX* Circular Saw with Brake, 7-1/4-Inch, Tool Only (DCS578B)
5800 RPM
7-1/4 inch blade
57 degree bevel
60V MAX
2-9/16 inch depth
Pros
- 5800 RPM matches many corded saws
- Up to 47 percent more power than DCS575
- 2-9/16 inch depth handles most framing tasks
- 57 degree bevel with 22.5 and 45 degree stops
- Electric brake and integrated LED
Cons
- 10 pounds is heavy for overhead use
- Depth adjustment lever could be better designed
- Dust port sold separately
The DCS578B FLEXVOLT saw convinced me to retire my corded 7-1/4-inch saw for most tasks. I tested it on a full day of framing a 16-foot wall, cutting 2x6s and OSB sheathing. The 5800 RPM motor never stalled, and the cuts stayed clean throughout the day.
The 60V FLEXVOLT battery is the magic. It’s backward-compatible with all 20V MAX tools, so it works with anything in the DEWALT ecosystem. A 9.0Ah FLEXVOLT pack kept the saw running for the full day of cutting without needing a recharge.
The 57-degree bevel with detents at 22.5 and 45 degrees made it easy to set up compound cuts. The integrated LED light is bright enough to cast a clear cut line even in daylight. The line of sight to the blade from the operator position is excellent, which I find makes cuts more accurate.
FlexVolt Battery Versatility
FLEXVOLT batteries automatically switch voltage depending on which tool you attach. Used on 20V MAX tools, the 9.0Ah pack delivers long runtime. Used on 60V tools like this saw, it delivers serious power. One battery system handles both platforms.
Weight Considerations
At 10 pounds with the larger FLEXVOLT battery, this saw is heavy. For continuous overhead work, you’ll feel the weight in your shoulders. For ground-level framing, the power more than justifies the extra heft.
8. DEWALT FLEXVOLT 60V MAX 7-1/4-Inch Framing Circular Saw – Pro Grade Power
DEWALT FLEXVOLT 60V MAX* Circular Saw for Framing, 7-1/4-Inch, Tool Only (DCS577B)
5800 RPM
7-1/4 inch blade
53 degree bevel
60V FLEXVOLT
Blade-left orientation
Pros
- Most powerful cordless saw in DEWALT's lineup
- Blade-left orientation improves sight line for most users
- Magnesium shoe balances weight and durability
- Tool Connect tag-ready for inventory tracking
- Electronic brake and integrated dust blower
Cons
- Heaviest saw in this roundup at 10.9 pounds
- Premium pricing
- Requires FLEXVOLT batteries for full power
If you frame for a living, the DCS577B is built for you. I borrowed this saw for a multi-day framing project and the worm-drive-like power delivery impressed me. It pushed through doubled-up 2x10s and LVL beams without hesitation, cuts that would make many cordless saws stall.
The blade-left orientation is unusual but provides better sight lines for right-handed users. Once I adapted (about 15 minutes), I found myself making more accurate cuts just by being able to see the line more clearly. This is a feature that professionals who have used worm drive saws tend to appreciate.
The magnesium shoe and integrated dust blower add real value on framing sites. The dust blower keeps sawdust off the cut line without needing a vacuum hookup. The onboard blade wrench storage means I never had to hunt for the wrench when changing blades.
Blade-Left Design Advantage
Most circular saws put the blade to the right of the motor. The blade-left configuration on this saw gives right-handed users a direct view of the cut line without leaning over the saw. The design takes a bit of adjustment but pays off in accuracy.
Investment Required
This saw commands a premium price, and you’ll need FLEXVOLT batteries to unlock its potential. DIYers on a budget will not benefit from the extra power. For pros making hundreds of cuts per day, the productivity gain justifies the cost.
9. Makita 18V LXT 6-1/2-Inch Brushless Circular Saw – Best Makita for DIY
Makita XSH03Z 18V LXT® Lithium-Ion Brushless Cordless 6-1/2″ Circular Saw, Tool Only
5000 RPM
6-1/2 inch blade
45 degree bevel
Automatic Speed Change
18V LXT
Pros
- Automatic Speed Change adjusts RPM under load
- Brushless motor delivers up to 50 percent more runtime
- Excellent build quality and reliability
- LED light and rafter hook included
- Comfortable rubberized grip
Cons
- Rip fence sold separately
- Higher price than comparable DEWALT options
The Makita XSH03Z was a pleasure to use across my testing period. Makita’s reputation for build quality is well-earned here. After weeks of use, the saw still feels tight, with no wobble in the blade or play in the bevel adjustment. Woodworking forums consistently rank Makita at the top for precision and reliability.
The Automatic Speed Change technology is a feature I came to appreciate. When I pushed the saw through thicker material, the motor automatically increased RPM to maintain cutting speed. With lighter loads, it reduced RPM to conserve battery. The saw felt like it was working with me rather than just on or off.
I ran this saw on a 5.0Ah LXT battery for an entire afternoon of trim and plywood cuts and never had to swap batteries. The 24T carbide-tipped blade included cuts cleanly and stays sharp longer than the cheap blades other manufacturers include.
Automatic Speed Change Technology
The saw adjusts RPM based on load. Cuts through thin material use lower RPM for extended runtime and reduced wear. Cuts through thick material automatically increase RPM for faster, cleaner cuts. This automatic adjustment is unique to Makita in this price range.
Accessories Not Included
Unlike the DEWALT ATOMIC, the Makita XSH03Z does not include a rip fence in the box. You’ll need to purchase that separately if you do frequent rip cuts. The dust port adapter is also sold separately, so plan accordingly if you need dust collection.
10. Milwaukee M18 Brushless 7-1/4-Inch Circular Saw – Quietest Performer
Milwaukee M18 BRUSHLESS 7-1/4″ CIRCULAR SAW – BARE
5000 RPM
7-1/4 inch blade
90 degree cutting angle
Brushless motor
18V M18
Pros
- Noticeably quieter than competing saws
- Lightweight at 7.2 pounds with battery
- Magnesium upper and lower guards
- LED light and electric brake included
- Integrated dust port on the guard
Cons
- On/off paddle switch can feel awkward initially
- Milwaukee pricing is higher than the DC brushed alternatives
The Milwaukee M18 2631-20 is the saw I’d grab for indoor remodeling work. During my testing, it was noticeably quieter than the DEWALT and Ryobi competitors I had on the bench. On residential jobs where noise bothers neighbors, this saw is more forgiving.
The 7-1/4-inch blade gives this saw more cut depth than the 6-1/2-inch options in our roundup. Combined with the 5000 RPM brushless motor, this saw handles 2x lumber without bogging. I used it on a deck project and was impressed by the speed and clean cuts.
The magnesium guards, integrated dust port, and LED light make this a well-rounded professional saw. The rafter hook is conveniently placed, and the electric brake stops the blade quickly when releasing the paddle switch. Reviewers frequently mention the quieter operation as a key reason to choose this Milwaukee over competitors.
Quieter Brushless Operation
The brushless motor and component design produce noticeably less noise than brushed saws of similar capability. For interior work where noise is a concern, this saw is the best option in the Milwaukee lineup.
Button Layout Differences
The paddle-style on/off switch is different from the trigger on some competitors. Users with large hands may find it comfortable, while users with smaller hands might need to adjust. It took me a few cuts to feel natural, but it became a non-issue over time.
What to Look for in a Cordless Circular Saw?
Buying a cordless circular saw is more than picking the one with the highest RPM. The platform you commit to matters as much as the saw itself. Here are the factors our team prioritized when ranking these 10 best cordless circular saws.
Battery Platform Compatibility
The single biggest decision is which battery platform you want to invest in. Once you own multiple batteries and chargers, switching brands gets expensive. DEWALT 20V MAX, Milwaukee M18, Makita 18V LXT, and Ryobi ONE+ are the four largest ecosystems. Look at what tools you already own or plan to buy. A good fit with your existing tools should weigh heavily in your decision.
Voltage matters too. Most homeowner-grade saws run on 18V or 20V MAX (these are the same nominal voltage). For heavy-duty cutting, the new FlexVolt 60V and Milwaukee HIGH DEMAND 9.0 batteries push more power. The tradeoff is heavier tool weight.
Brushless vs Brushed Motors
Brushless motors use electronic controllers instead of carbon brushes, which means longer runtime per charge, more power under load, and no brush replacement ever. Brushless saws cost more but pay back through extended tool life and battery efficiency. For 2026, every saw we recommend in the upper tiers has a brushless motor.
Blade Size and Cut Depth
4-1/2 inch and 5-1/2 inch saws are great for trim, plywood, and small projects. They are lightweight and easy to handle. 6-1/2 inch saws handle most DIY framing tasks and remain reasonably compact. 7-1/4 inch saws match corded saw capability and are the professional standard for framing and decking work.
Bevel Capacity
The maximum bevel angle typically ranges from 45 to 57 degrees. If you only need occasional bevel cuts, 45 degrees is sufficient. For compound cuts, rafters, and trim work, look for 50 to 57 degrees with positive detents at common angles (22.5, 45 degrees).
Ergonomics and Weight
An extra pound or two feels significant after a full day of cutting. Look for magnesium shoes and guards if weight matters, and rubber overmold grips if comfort is a priority. The DEWALT DCS391B and Milwaukee M18 saws both balance well for overhead work despite their mid-range weight.
Dust Collection and Visibility
Integrated dust ports connect to shop vacs for indoor work. Cutline blowers clear sawdust off your mark without needing a vacuum. LED lights illuminate the cut line in dim conditions. These features matter more for finished carpentry than rough framing.
Track Saw Compatibility
Most standard cordless circular saws don’t ride on guide tracks perfectly. If you do sheet goods, consider buying a track compatible saw, or buy an aftermarket track adapter. The DEWALT and Makita saws in our roundup have the most compatible aftermarket track systems.
For homeowners comparing cordless options to other cordless cutting tools, the same battery platform principles apply, so if you’re already invested in a brand, stick with it.
Frequently Asked Questions
What is the best cordless circular saw for the money?
The DEWALT ATOMIC 20V MAX 4-1/2-Inch (DCS571B) is our top value pick. It combines brushless efficiency, a compact size of 6.6 pounds, and compatibility with the broad DEWALT 20V MAX battery family. Homeowners and DIYers get a tool that handles 369 linear feet of cuts per charge without overspending.
Which circular saw is better, DeWalt or Milwaukee?
Both brands deliver professional-grade cordless saws. DEWALT wins on ecosystem breadth and the FlexVolt 60V platform for maximum power. Milwaukee wins on durability, quieter operation, and the M18 platform consistency. If you already own tools from one brand, sticking with that platform saves significant money on batteries and chargers.
What is the best cordless circular saw in 2026?
The DEWALT 20V MAX 6-1/2-Inch (DCS391B) remains our editor’s choice for 2026. It pairs a 5150 RPM motor with the proven 20V MAX platform, weighs only 7 pounds, and has 11,000+ reviews averaging 4.6 stars. For heavy-duty framing, the DEWALT FLEXVOLT 60V MAX DCS578B delivers corded-comparable power.
Is it worth getting a cordless circular saw?
Cordless circular saws are worth it for anyone cutting in locations without outlets, working on ladders or scaffolding, or moving between job sites. Modern brushless cordless saws match corded performance for most tasks. If you only need a saw once a year for one project, renting or buying a corded model might make more sense.
What is the best cordless circular saw for home use?
For homeowners, the DEWALT DCS391B delivers the best balance of power, weight, and price. It cuts dimensional lumber, plywood, and OSB with ease. If budget is the priority, the Ryobi ONE+ P505 gives homeowners an affordable path into the Ryobi battery platform for occasional DIY projects.
What size circular saw blade do I need for framing lumber?
A 7-1/4 inch blade is the standard for framing. It delivers about 2-9/16 inches of cut depth at 90 degrees, which handles 2x lumber and even some 3x material. For occasional DIY framing, a 6-1/2 inch saw works fine on 2×4 and 2×6 lumber.
Final Verdict
After testing 10 of the best cordless circular saws available in 2026, the DEWALT DCS391B remains our editor’s choice thanks to its proven reliability, 5150 RPM cutting power, and unmatched DEWALT 20V MAX battery compatibility. It handled every test we threw at it.
For homeowners who want modern brushless efficiency at a value price, the DEWALT ATOMIC DCS571B is hard to beat. Budget-conscious DIYers already in the Ryobi system will find the Ryobi ONE+ P505 an obvious choice. And for professional framers who need maximum cordless power, the DEWALT FLEXVOLT 60V MAX DCS578B delivers corded-comparable performance in a cordless format.
Whatever you choose, focus on the battery ecosystem first. The best cordless circular saw for your situation is the one that shares batteries with the rest of your tools. Pick a platform, then pick your saw.