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The best string trimmers in 2026 do more than just clean up the edges your lawn mower can’t reach — they define the difference between a yard that looks maintained and one that looks finished. If you have ever spent an afternoon mowing only to realize the fence lines, garden bed borders, and driveway edges still look ragged, you already know why a quality string trimmer belongs in every homeowner’s tool lineup right next to their mower.
The challenge is that the string trimmer market has exploded. You will find gas models, corded electrics, 20V budget picks, 40V mid-range machines, and 56V to 80V premium cordless trimmers at every price point. Some of the best string trimmers are built for a quarter-acre suburban lot. Others are built to run all day on a multi-acre property without stopping for a recharge. Picking the wrong string trimmer means either overpaying for power you don’t need or running out of battery 20 minutes into a 45-minute job.
This guide cuts through all of it. We break down the best string trimmers across every category — best overall, best for large yards, best attachment-capable, best for Milwaukee users, best gas option, and best budget pick — so you can find the right machine for your property without guessing.
Quick Comparison: Best String Trimmers (2026)
| Model | Type | Voltage/Engine | Cutting Width | Best For | Price Range |
|---|---|---|---|---|---|
| EGO ST1521S | Cordless | 56V | 15 in | Best Overall | $$ |
| DeWalt DCST970X1 | Cordless | 60V MAX | 15 in | Best for Large Yards | $$$ |
| DeWalt DCST972X1 | Cordless | 60V MAX | 17 in | Best Attachment-Capable | $$$$ |
| Milwaukee M18 FUEL 2825-21ST | Cordless | 18V M18 FUEL | 16 in | Best for Milwaukee Users | $$$ |
| Husqvarna 130L | Gas | 28cc | 18 in | Best Gas Trimmer | $$ |
| Black+Decker LST136 | Cordless | 40V MAX | 13 in | Best Budget Pick | $ |
1. EGO ST1521S — Best String Trimmer Overall
56V | 15-Inch Cutting Width | PowerLoad Auto-Loading Head | Carbon Fiber Split Shaft
The EGO ST1521S is the best string trimmer for most homeowners in 2026 — and it isn’t particularly close. EGO has built its entire outdoor power equipment reputation on this platform, and the ST1521S is the machine that earned it. At 56 volts with a brushless motor and a dual-line cutting head, this trimmer delivers performance that genuinely rivals gas-powered models without the fumes, the pull-starting frustration, or the mixed-fuel headache.
The single feature that sets the ST1521S apart from every other battery string trimmer on this list is PowerLoad. PowerLoad is EGO’s automatic line-loading system, and once you use it you will never want to go back to a traditional bump-feed spool. Instead of threading trimmer line through a tiny channel while trying not to get it tangled, you drop a pre-cut section of line into the trimmer head and it loads itself automatically in seconds. It is a genuinely useful innovation that saves real time and frustration during every reloading session.
The carbon fiber split shaft makes storage and transport easy — the trimmer separates into two pieces and reassembles without tools, which matters when you are working out of a garage or truck bed. Runtime on the included 2.5Ah battery runs around 30 to 45 minutes of typical use, which covers most half-acre to one-acre properties on a single charge. EGO’s 56V platform spans their full outdoor equipment lineup — mowers, leaf blowers, hedge trimmers, and chainsaws all share the same batteries — so if you are building an EGO yard, the ST1521S is the obvious starting point.
Best for: Homeowners with up to one acre who want the best string trimmer experience without compromise.
Key Specs:
- Voltage: 56V
- Cutting Width: 15 inches
- Line Diameter: 0.095 inches
- Weight: 10.6 lbs
- Includes: 56V 2.5Ah battery and charger
2. DeWalt DCST970X1 — Best String Trimmer for Large Yards
60V MAX FLEXVOLT | 15-Inch Cutting Width | Two-Speed Brushless Motor
When a half-acre lot becomes an acre or more, the rules change. You need more cutting power for thicker overgrowth, longer runtime between charges, and a string trimmer that does not bog down when you hit a dense patch of weeds along the back fence. The DeWalt DCST970X1 is the best string trimmer for large yards because it brings 60V MAX FLEXVOLT power to the job — and FLEXVOLT is genuinely in a different class from standard 40V or even standard 56V platforms.
The FLEXVOLT battery system automatically switches between 20V and 60V depending on the tool it is powering. That means the same battery pack that runs your existing DeWalt 20V MAX power tools also drives the DCST970X1 at full 60V capacity. One battery platform, two voltage levels, one charger — it is one of the most practical battery ecosystems in the outdoor power equipment space.
The two-speed trigger gives you precise control over how you deploy that power. Use the low-speed setting for light edging work along sidewalks and driveways where you want finesse over force. Kick it up to high speed when you hit thick ornamental grasses, heavy weeds, or overgrown fence lines that would slow a lesser string trimmer down. The brushless motor maximizes both power and runtime efficiency, and the 15-inch dual-line cutting head makes fast work of wider swaths with each pass.
At around $300, the DCST970X1 is the most expensive cordless pick on this list. But if you already run DeWalt 20V MAX tools in your garage, you may already own compatible batteries. For larger properties where runtime and raw cutting power are non-negotiable, the investment pays for itself quickly.
Best for: Homeowners with one acre or more, heavy weed loads, or anyone already running the DeWalt FLEXVOLT ecosystem.
Key Specs:
- Voltage: 60V MAX FLEXVOLT
- Cutting Width: 15 inches
- Line Diameter: 0.080 inches
- Speeds: 2
- Includes: 3.0Ah FLEXVOLT battery and charger
3. DeWalt DCST972X1 — Best Attachment-Capable String Trimmer
60V MAX FLEXVOLT | 15 or 17-Inch Adjustable Swath | Attachment Capable | Quick-Load Spool
When you want DeWalt FLEXVOLT power with more reach and full attachment versatility, the DCST972X1 is the next level up. The headline difference is the adjustable 15 to 17-inch cutting swath — dial it down to 15 inches for tight trimming around garden beds and landscaping, then open it up to the full 17 inches when you are clearing a long fence line or wide-open area and want to cover ground fast. That flexibility in a single string trimmer is genuinely useful for homeowners who do both kinds of trimming regularly.
The DCST972X1 runs on the same 60V MAX FLEXVOLT platform as the DCST970X1, which means if you already own a FLEXVOLT battery it drops right in. The high-efficiency brushless motor maximizes runtime and product life while consistently delivering enough power to push through tough overgrowth without bogging down. The Quick-Load spool system makes restringing faster than traditional bump-feed setups — pull the old spool, snap in the new pre-wound line, and get back to work in seconds.
What truly separates the DCST972X1 from the rest of the DeWalt string trimmer lineup is universal attachment capability. The same power head accepts edger blades, hedge trimmer heads, pole saw attachments, and more — turning one string trimmer into a multi-tool platform that grows with your yard work needs. For homeowners who want to build out their tool kit without buying a new battery platform for every tool, this is the string trimmer that makes that possible within the DeWalt ecosystem.
Best for: DeWalt FLEXVOLT users who want attachment versatility, an adjustable cutting swath, and one power head that drives multiple tools.
Key Specs:
- Voltage: 60V MAX FLEXVOLT
- Cutting Width: 15 or 17 inches (adjustable)
- Line Diameter: 0.080 inches (also accepts 0.095 inches)
- Feature: Universal attachment capable
- Includes: FLEXVOLT battery and charger
4. Milwaukee M18 FUEL 2825-21ST — Best String Trimmer for Milwaukee Users
18V M18 FUEL | 16-Inch Cutting Width | QUIK-LOK Attachment System | Up to 1 Hour Runtime
Do not let the 18V label fool you. The Milwaukee M18 FUEL 2825-21ST is one of the most powerful cordless string trimmers on this list, and it earns that position not through voltage numbers but through Milwaukee’s FUEL brushless motor technology — a system engineered to match the performance of gas-powered tools. The M18 FUEL platform has earned its reputation in professional construction and trades environments, and that same engineering discipline carries directly into this string trimmer. It reaches full throttle in under a second and delivers up to one hour of runtime per charge on a high-capacity M18 battery — longer continuous runtime than any other cordless string trimmer on this list.
The QUIK-LOK attachment system is Milwaukee’s answer to the multi-tool trimmer category, and it is one of the best implementations available. Compatible with Milwaukee’s full lineup of QUIK-LOK attachments — edger, hedge trimmer, pole saw, cultivator, and more — this string trimmer becomes the power head for your entire cordless yard tool collection without buying a second battery platform. For anyone already running Milwaukee M18 tools in the garage or on the job site, that compatibility is the most compelling argument of all: the same batteries that run your Milwaukee drill, circular saw, or impact driver also run this string trimmer at full capacity.
The 16-inch cutting swath handles most residential trimming tasks efficiently, and the brushless motor provides the high-torque control needed for precision edging work as well as the raw power for thick weeds and overgrown areas. Milwaukee backs the M18 FUEL line with a 5-year tool warranty and 2-year battery warranty — among the strongest coverage in the cordless string trimmer category.
Best for: Milwaukee M18 tool users who want to extend their existing battery platform into yard work, or homeowners who want pro-grade power and up to an hour of continuous runtime.
Key Specs:
- Voltage: 18V M18 FUEL
- Cutting Width: 16 inches
- Feature: QUIK-LOK attachment capable
- Runtime: Up to 1 hour per charge
- Warranty: 5 years (tool), 2 years (battery)
5. Husqvarna 130L — Best Gas String Trimmer
28cc 2-Cycle Engine | 18-Inch Cutting Swath | Straight Shaft | Rapid Replace Head
Battery technology has come a long way, but there are still two situations where a gas string trimmer is the right answer: very large properties where runtime matters more than anything, and heavy vegetation where a gas engine’s sustained torque outlasts anything cordless. The Husqvarna 130L is the best gas string trimmer for residential homeowners who fall into either category.
The 28cc 2-cycle engine is the right size for most large-property homeowners — powerful enough to push through thick weeds and overgrown fence lines, but not so heavy that it becomes exhausting to run for an hour at a stretch. The 18-inch cutting swath is the widest among the best string trimmers on this list and lets you cover more ground per pass than any cordless option, which matters when trimming time is measured in hours rather than minutes.
Husqvarna’s Rapid Replace trimmer head is one of the best line-loading systems found in gas string trimmers. Rather than fighting a manual spool, you pull out the old insert and snap in a new pre-wound one in seconds. The straight shaft provides better reach under decks, around tight spaces, and along uneven terrain than a curved-shaft alternative. Husqvarna’s Smart Start technology reduces pull resistance on the starter cord — a genuine quality-of-life improvement that anyone who has fought a stubborn gas string trimmer on a cold morning will appreciate.
Best for: Homeowners with more than an acre, heavy vegetation, or anyone who needs unlimited runtime without worrying about battery life.
Key Specs:
- Engine: 28cc 2-Cycle
- Cutting Swath: 18 inches
- Shaft: Straight
- Weight: 11 lbs
- Fuel: Mixed gas (50:1 ratio)
6. Black+Decker LST136 — Best Budget String Trimmer
40V MAX | 13-Inch Cutting Width | 90-Degree Pivot Head for Edging | PowerDrive Transmission
Not every homeowner needs 56V or 80V of trimming power. If you have a small yard under a quarter acre, trim a few times per season, and just need clean edges along your driveway and sidewalk, you do not need to spend $250 on a premium string trimmer. The Black+Decker LST136 is the best budget string trimmer for light-duty residential use — it gets the job done, runs on Black+Decker’s widely available 40V MAX battery platform, and comes in well under $150 in most configurations.
The pivot head is the most practical feature on this string trimmer for suburban homeowners. At the press of a button, the cutting head rotates 90 degrees from a standard trimming position into an edging orientation. That means one tool covers both tasks — trimming the grass along your fence line and edging the crisp border along your driveway — without buying a separate lawn edger. For small lots where that combination handles most of the cleanup, it is genuinely useful versatility at a budget price.
The 13-inch cutting width is smaller than the premium string trimmers on this list, which means more passes per yard and slower clearing on larger areas. But for the target homeowner — quarter acre, light grass, occasional edging — that tradeoff is completely acceptable. The PowerDrive transmission delivers more power from the motor to the cutting string for faster yard work, and the 40V MAX battery platform is compatible with other Black+Decker tools if you already have batteries in the family.
Best for: Small yards under a quarter acre, light-duty trimming and edging, homeowners who want a capable starter string trimmer without overspending.
Key Specs:
- Voltage: 40V MAX
- Cutting Width: 13 inches
- Line Diameter: 0.065 inches
- Feature: 90-degree pivot head for edging
- Weight: 7.8 lbs
How to Choose the Best String Trimmer for Your Yard
Gas vs. Cordless: Which Is Right for You?
The single biggest decision when shopping for the best string trimmers is choosing between gas and cordless. Gas string trimmers offer unlimited runtime — as long as you have fuel, you keep trimming. They produce more raw torque for cutting through thick brush and heavy vegetation, and they excel on large properties where you might be working for an hour or more at a stretch.
Cordless string trimmers have closed the performance gap significantly in 2026. High-voltage platforms like the EGO 56V, DeWalt 60V MAX, and Greenworks 80V deliver power that rivals gas for most residential trimming tasks. They start instantly at the push of a button, require no fuel mixing, run quieter than gas models, and produce no exhaust. For properties up to one acre with typical grass and moderate weeds, a quality cordless string trimmer handles the job without compromise.
The simple rule: if your property is under an acre and your vegetation is not exceptionally thick, go cordless. If you have more than an acre or consistently deal with dense overgrowth, a gas string trimmer like the Husqvarna 130L will serve you better long term.
Voltage: What the Numbers Actually Mean
When comparing the best string trimmers in the cordless category, voltage is the most useful spec for understanding power output. Higher voltage generally means more torque, better performance in thick vegetation, and longer effective runtime per amp-hour of battery capacity.
As a general guide: 20V to 40V platforms are appropriate for small yards with light vegetation. The 56V to 60V range covers most residential properties up to an acre. The 80V platform is built for larger properties, commercial-grade vegetation, or homeowners building a comprehensive high-voltage battery ecosystem across multiple tools.
Do not confuse voltage with battery capacity, which is measured in amp-hours (Ah). A 5.0Ah battery at 56V will run significantly longer than a 2.5Ah battery at the same voltage. When evaluating string trimmer kits, always check what battery is included — a trimmer sold with a 2.0Ah pack will have noticeably shorter runtime than the same trimmer sold with a 5.0Ah pack.
Straight Shaft vs. Curved Shaft
The best string trimmers come in both straight-shaft and curved-shaft configurations. Straight-shaft string trimmers are longer, provide better reach under decks and fences, offer more direct power delivery from motor to cutting head, and are the standard choice for professional landscapers. Curved-shaft string trimmers are shorter, lighter, and easier to maneuver in tight spaces — a reasonable choice for smaller yards and lighter users. All six of our top picks use straight shafts, which gives the most versatility across a range of trimming tasks.
Cutting Width: Match the Swath to Your Property
String trimmer cutting width ranges from 10 inches on compact budget models up to 18 inches on professional gas trimmers. A wider cutting swath means fewer passes to cover the same area, which translates directly to less time spent on the job. For small yards or tight spaces, a 12 to 13-inch swath is plenty. For properties a half-acre and up, look for 15 to 16 inches or more. The Husqvarna 130L’s 18-inch swath is the widest among the best string trimmers on this list and the right choice for large-property owners who want to move fast.
Battery Ecosystem Compatibility
One of the most underrated factors when choosing the best string trimmers is battery ecosystem compatibility. EGO 56V batteries power EGO mowers, leaf blowers, hedge trimmers, and chainsaws. DeWalt FLEXVOLT batteries run both 60V MAX tools and standard 20V MAX tools from the same pack. Milwaukee M18 batteries are shared across their massive M18 tool platform — from drills and saws to outdoor power equipment. If you already own outdoor power tools on one of these platforms, adding a string trimmer from the same brand means sharing batteries across your full lineup — and that can save hundreds of dollars in equipment costs over time.
String Trimmer FAQs
How long do battery string trimmers last on a charge? Runtime varies by battery capacity and vegetation density. A 2.5Ah battery typically provides 20 to 30 minutes of trimming. A 4.0Ah to 5.0Ah battery extends that to 35 to 50 minutes under normal conditions. High-voltage platforms like 56V and 80V are more efficient per amp-hour than lower-voltage models, so you get more cutting time from the same battery capacity.
Can a string trimmer replace a lawn edger? Some string trimmers include a pivot head that rotates the cutting head 90 degrees for edging duty. The Black+Decker LST136 does this well for light residential edging. For crisp, defined edges on a regular basis, a dedicated lawn edger will produce cleaner results — but for most homeowners with a small or medium yard, a pivot-head string trimmer handles both tasks adequately.
What is the difference between bump feed and auto feed on a string trimmer? Bump feed is the traditional system where you tap the trimmer head against the ground while it is spinning to advance new line from the spool. It gives you manual control over how much line feeds out. Auto feed detects when line is running short and advances it automatically without tapping. EGO’s PowerLoad system on the ST1521S goes a step further — it eliminates the spool entirely by loading pre-cut line sections at the push of a button, which is the most convenient system currently available among the best string trimmers on the market.
How thick of a line do I need? Line diameter determines cutting ability. A 0.065-inch line handles light grass and thin weeds. A 0.080-inch line covers most residential trimming tasks including moderate weeds. A 0.095-inch line, like the EGO ST1521S uses, cuts through thicker vegetation and holds up longer between replacements. Gas-powered string trimmers often run 0.095 inches or larger for maximum toughness.
Are the best string trimmers worth the price over a budget model? For most homeowners, yes. A premium string trimmer like the EGO ST1521S costs more upfront but pays off in battery runtime, cutting performance, durability, and line-loading convenience over years of use. Budget string trimmers like the Black+Decker LST136 make sense for small yards with light trimming needs. If you are trimming regularly across a half-acre or more, investing in a higher-voltage machine saves time and frustration every single mowing session.
Final Thoughts: Which String Trimmer Is Right for You?
The best string trimmers in 2026 offer better performance, longer runtime, and smarter features than ever before — and the right one depends entirely on your property size and how you plan to use it.
If you want the best overall cordless string trimmer for a typical residential yard, start with the EGO ST1521S. The PowerLoad system alone makes it worth the price over any frustrating bump-feed competitor, and the 56V platform gives you a foundation to build a full EGO battery ecosystem over time.
If you have a large property or deal with heavy vegetation regularly, the DeWalt DCST970X1 delivers 60V MAX FLEXVOLT power and two-speed control that handles the toughest residential trimming jobs without breaking a sweat.
For homeowners who want attachment versatility with FLEXVOLT power, the DeWalt DCST972X1 turns one power head into a multi-tool platform — and the adjustable 15 to 17-inch cutting swath gives you flexibility that fixed-width trimmers cannot match.
If you already run Milwaukee M18 tools, the Milwaukee M18 FUEL 2825-21ST is the obvious choice — pro-grade power, up to an hour of runtime, and seamless compatibility with your existing battery collection.
If unlimited runtime on large acreage is the priority, the Husqvarna 130L remains the best gas string trimmer for residential use — wide cutting swath, reliable 28cc engine, and Rapid Replace head loading that keeps you moving.
And if you have a small yard and just need a capable, affordable string trimmer that edges too, the Black+Decker LST136 covers the basics without overspending.
Pick the right machine for your yard size, run it alongside your mower this season, and you will wonder how you ever settled for ragged edges before.