Contents
- The Top 9
- Top 9 String Trimmers Reviewed in Detail
- 1. Best Overall
- 2. Best Premium
- 3. Best Heavy-Duty
- 4. Runner-Up
- 5. Best Lightweight
- 6. Best Compact
- 7. Best for Beginners
- 8. Best Design
- 9. Best for Small Spaces
- String Trimmers Compared Side by Side
- How to Choose String Trimmers
- How We Reviewed
- Frequently asked questions
- What to look for
Choosing the best string trimmer line can be confusing. The best overall pick is the WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163. It easily converts from a trimmer to an edger and has a 90° tilting head for better angles. If you want to save money, the Glenvera 20V 12” 2-in-1 model is a solid choice but gives up some power and features. Most buyers have to choose between power and weight. This guide helps you with that and shows you the best options available.
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The Top 9
Top 9 String Trimmers Reviewed in Detail
Here are our top picks for string trimmer lines. We picked products that stand out in design, performance, and features.
1. Best Overall
WORX 20V 12" 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
- 2 IN 1 TRIMMER & EDGER : Easily converts from a string trimmer to an edger lawn tool in just seconds.
- INSTANT LINE FEED: This grass trimmer has innovative push button command feed spool system for instant line feeding. Plus, free spools for life.
- HEAD TILTS 90°: So you can use string trimmer and edger on sloped terrain, and get to tough-to-reach places.
- RUBBERIZED WHEELS: Support and guide the edger, giving you straighter lines and cleaner cuts.
- SPACER GUARD: Adjustable, so you don’t damage plants, landscape features, and lawn ornaments while you’re using the lawn trimmer.
- SPECS: 7600 rpm no-load speed, 12” cutting diameter, 5.5 lbs. machine weight, 10” cutting line length, 0.065” line diameter.
- BATTERIES INCLUDED: 2 powerful and lightweight 20V Power Share maxLithium batteries come with this weed trimmer and can be used on any other tool in the WORX Power Share family.
- INCLUDES: 20v string trimmer & edger, 2×20v maxLithium batteries, 20V charger, trimmer spool, support wheels, safety guard.
- DO IT ALL WITH THE SAME BATTERY: WORX Power Share is compatible with all WORX 20v and 40v tools, outdoor power and lifestyle products.
The WORX 20V 12″ trimmer and edger is a versatile tool. You can switch between trimming and edging quickly. It’s lightweight and easy to handle. The instant line feed feature makes it simple to use. It has a 90° tilting head for sloped areas.
Pros
Versatile 2-in-1 design. Instant line feed feature. Lightweight and easy to manage.
Cons
The battery life may not last for larger yards. Some users report limited power for tough weeds.
This option is good for small to medium yards. It’s perfect for those who want a lightweight tool.
The WORX trimmer is a solid choice for homeowners looking for ease of use.
2. Best Premium
Glenvera 20V 12” 2-in-1 Cordless String Trimmer & Electric Lawn Edger
- 2-in-1 Trimmer & Edger: Transform your lawn care routine with Glenvera cordless string trimmer, easily switching between trimming and edging modes to handle grass, weeds, and lawn borders with one versatile tool. The cordless design eliminates tangled cords and power outlet limitations, giving you the freedom to maintain your yard anywhere with greater convenience.
- Powerful Cutting Performance: Glenvera string trimmer is powered by a high-performance motor reaching up to 9,000 RPM, delivering fast and efficient cutting with a 12-inch cutting swath. Easily tackles overgrown grass, weeds, and hard-to-reach areas, helping you complete lawn trimming and yard cleanup faster with less effort.
- Long-Lasting Battery Power: Equipped with two 20V 4.0Ah batteries and a charger, Glenvera cordless string trimmer delivers up to 60 minutes of runtime and covers up to 1/4 acre on a single charge. Spend less time waiting and more time trimming, making it easier to complete larger lawn care projects without frequent recharging.
- Automatic Line Feed System: The automatic line feed system keeps the cutting line at the optimal length during use, reducing interruptions and eliminating the need for frequent manual adjustments. Enjoy smoother trimming with consistent cutting performance, making lawn maintenance faster and more convenient.
- Adjustable Design & Easy Control: Switch between trimming and edging modes with the push of a button for quick lawn care adjustments. The lightweight design, 4-position adjustable head and 180° rotating handle provide flexible control and comfortable handling, allowing you to easily reach tight spaces, trim around obstacles, and maintain different areas of your yard with less effort.
The Glenvera 20V 12″ trimmer and edger offers a similar 2-in-1 function. You can switch modes between trimming and edging easily. Its cordless design prevents cord tangles. This tool is suitable for various lawn tasks.
Pros
Cordless design for easy movement. 2-in-1 function for different tasks.
Cons
Some users find the battery life shorter than expected. The cutting power may struggle with thick weeds.
Great for users with small yards who want to avoid cords. Perfect for light trimming and edging tasks.
The Glenvera model provides flexibility and ease for basic lawn care.
3. Best Heavy-Duty
BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12 Inch Steel Deck, Reduced…
- 6200 RPM: The POWERDRIVE Transmission delivers more power from the motor to the cutting string so you can get the job done faster
- The Automatic Feed Spool – AFS automatically feeds trimmer line when needed with no bumping required
- 2-in-1 Trim or Edge – easily converts from trimmer to edger in seconds
- It is quiet and easy to start, delivering great cutting results without the mess and hassles of gas powered trimmers
- Lightweight design with adjustable handle and height positions provide maximum comfort and control of this grass trimmer edge trimmer
- Battery powered weed eater includes (1) 2.0 Amp hour lithium ion battery pack for 33% more runtime per battery pack than our previous LBXR20 battery pack
- Cordless weed trimmer includes a wall mountable charging base
- Electric Weed Eater has 12 in. cutting swath
- 2 Year Limited Warranty
The BLACK+DECKER 20V MAX trimmer and edger has a powerful motor. It features a 6200 RPM speed for efficient cutting. The automatic feed spool helps keep the line ready to use. You can switch between trimming and edging quickly.
Pros
Strong motor for fast cutting. Automatic line feed makes it user-friendly.
Cons
It can be heavier than other models. Battery runtime might not be enough for larger areas.
Suitable for homeowners needing a reliable trimmer for moderate tasks. Works well for average-sized lawns.
This BLACK+DECKER model is a good pick for those needing power and efficiency.
4. Runner-Up
HEYWORK 20V 12" Cordless String Trimmer, Electric Weed Wacker & Edger
- [2-in-1 Versatile Design] Equipped with an 8000 RPM high-speed upgraded motor, HEYWORK cordless string trimmer easily switches between trimming and edging modes for lawn edges, flower beds, driveways and general weed removal. One tool meets all your daily yard and garden maintenance needs.
- [Auto Line Feed System] The automatic line feed system releases new trimmer line automatically when the line wears short. No more stopping to tap or bump the spool, keeping your work smooth and uninterrupted.
- [Lightweight Design] Only 6.3 lbs with adjustable comfortable grip. Reduces arm and back fatigue, suitable for adults, seniors and long-time outdoor work. Easy to control and maneuver.
- [Large Capacity Batteries] Comes with two 20V 4.0Ah lithium-ion batteries and a dedicated charger. Provides longer runtime to finish trimming large lawns and gardens efficiently.
- [Complete Accessories & Reliable Support] Package includes 8 pre-wound replacement spools for long-term use. HEYWORK offers professional customer service to solve any product or usage problems for you.
HEYWORK’s 20V 12″ trimmer is another 2-in-1 tool. This model features a high-speed motor for quick work. You can switch between edging and trimming easily. It is designed for various yard tasks.
Pros
High-speed motor for fast operation. Versatile design for multiple tasks.
Cons
Some users may find it less durable over time. Battery life could be improved for longer sessions.
Great for users who need a fast and effective trimmer for regular lawn maintenance.
The HEYWORK trimmer is a solid choice for quick garden care.
5. Best Lightweight
Greenworks 40V 12 in String Trimmer & 390 CFM Blower Combo, 2.0 Ah Battery
- [Walkway Warrior Combo] – 40V trimmer + blaster system clears overgrown edges along driveways/walkways in half the time, boosting curb appeal instantly.
- [Defeat Thick Brush Invasion] – 12″ commercial-grade trimmer (.065″ auto-feed) slices through 1″ weeds choking fences and garden borders – 3-year head warranty.
- [Driveway Hurricane Force] – 110MPH/390CFM blower banishes wet maple leaves and debris from concrete surfaces – cruise control maintains perfect gutter-clearing power.
- [Universal 40V Power Hub] – 2.0Ah battery (60-min charge) fuels entire 40V ecosystem: mow lawns → trim hedges →saw wood- swap between 8+ tools seamlessly.
- [Senior-Friendly Featherweight] – 8LB balanced design comfortably cleans flower bed edges and patio corners for 2+ hours – 30% lighter than gas alternatives.
- [Dawn-to-Dusk Ready] – 67dB whisper start tackles early morning cleanup without waking neighbors – ideal for maintaining pristine poolside areas.
- [$500+ Curb Appeal Savings] – Zero gas costs + tax rebates turn messy yards into magazine-worthy landscapes – includes free maintenance guides.
The Greenworks 40V combo includes a trimmer and blower. It’s designed to clear edges quickly. The 12″ trimmer can cut through thick weeds. This combo is powerful and efficient for yard work.
Pros
Includes both a trimmer and blower. Powerful performance for tough tasks.
Cons
The weight may be an issue for some users. The trimmer’s battery may not last long for large jobs.
Good for homeowners with larger yards needing multiple tools. Ideal for heavy-duty yard work.
The Greenworks combo is valuable for those wanting both trimming and blowing options.
6. Best Compact
CRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah Battery and Charger, 13 in. Cordless Weed Wacker with Up to 63 Minutes Runtime, Lightweight…
- Long Runtime: Finish the job with up to 63 minutes* of runtime on this weed trimmer
- 52% more power** – Taking on trimming jobs with a powerful motor that slices through thick grass
- Large Trim Area: Tackle wide areas in a single pass with a 13 in. cutting swath
- Adjustable Height Weed Eater: Stay comfortable while working with an adjustable handle that can be customized to your preference
- Versatile Operation: Grass trimmer and edger using a single tool with Turn-To-Edge functionality
- Help Optimize Performance: Prioritize runtime or power with 2 speed settings
- V20 Compatibility : Weed eater battery powered is part of the V20 system of cordless products. The Power To Do It All; Build. Repair. Restore. Maintain
- (1) CMCST901 String Trimmer (1) Spool that feeds 0.065-in line (1) CMCB204 V20* 4.0Ah Battery (1) Charger
The CRAFTSMAN V20 trimmer has a long runtime. It offers a wide 13″ cutting area for efficiency. This model is lightweight, making it easy to use. The adjustable height adds comfort during operation.
Pros
Long runtime for extended use. Wide cutting area for efficiency.
Cons
Some users may find it less powerful for tougher weeds. The adjustable height may not be comfortable for everyone.
Ideal for homeowners needing a lightweight tool for regular trimming tasks. Works well for medium-sized lawns.
The CRAFTSMAN option is a practical choice for efficient yard maintenance.
7. Best for Beginners
Makita XRU23Z 18V LXT® Lithium-Ion Brushless Cordless 13" String Trimmer, Tool Only
- No gas, emissions, oil mixing or pull starts with reduced maintenance and low noise levels
- BL Brushless Motor delivers up to 6,000 RPM
- Up to 1 hour of run time with 18V LXT 4.0Ah battery (battery sold separately)
- High/Low button for power and run time management
- Variable speed trigger for controlled cutting speed
The Makita XRU23Z is a brushless trimmer. It operates quietly due to low noise levels. You can manage power and runtime easily. This model offers great efficiency for lawn care.
Pros
Brushless motor for quiet operation. Easy power management with variable speed.
Cons
Battery sold separately can be an added cost. Limited trimming area compared to others.
Suitable for users who prefer a quiet tool for light to moderate work. Good for smaller yards.
The Makita trimmer is a reliable choice for quiet and efficient trimming.
8. Best Design
EGO POWER+ 16" Cordless Weed Trimmer with Battery and Charger – ST1623T
- PATENTED LINE IQ TECHNOLOGY: Auto-sensing technology monitors and feeds the trimmer line of the EGO weed wacker for a continuous 16-inch cutting swath. Non-stop, no bump, high-performance trimming.
- PATENTED POWERLOAD TECHNOLOGY: Just feed the line through the trimmer head of the cordless weed wacker, push a button to automatically wind the trimmer line, and get back to work in seconds.
- TELESCOPIC CARBON FIBER SHAFT: Quickly adjust the shaft length of the EGO string trimmer to your height for ultimate comfort.
- UP TO 60 MINUTES OF RUNTIME: The LINE IQ EGO trimmer delivers up to 60 minutes of runtime on a single charge with the included 4.0Ah battery.
- DIGITAL VARIABLE SPEED SELECTOR: Match the speed of the electric weed wacker to your working situation.
- FAST CHARGING: The included 4.0Ah battery charges in 55 minutes with the included EGO POWER+ Charger (CH3200).
- HIGH-EFFICIENCY BRUSHLESS MOTOR: Gives the EGO trimmer low vibration, increased reliability, and long lifespan.
- EGO PLATFORM COMPATIBILITY: EGO cordless trimmer works with all EGO 56V ARC Lithium batteries, and included battery works with all EGO power tools.
- LONG, RELIABLE LIFETIME: EGO string trimmers come with a 5-year tool warranty and 3-year battery warranty.
The EGO POWER+ 16″ trimmer features patented line IQ technology. This helps monitor and feed the line automatically. It provides continuous cutting without bumping. The 16″ cutting swath allows for efficient yard work.
Pros
Automatic line feed for convenience. Wide cutting swath for large areas.
Cons
Some users may find it pricier than alternatives. Battery performance may vary based on usage.
Great for homeowners needing a powerful tool for larger yards. Designed for efficient yard maintenance.
The EGO POWER+ model offers advanced features for serious lawn care.
9. Best for Small Spaces
EGO Power+ 15" Cordless Weed Trimmer with Battery and Charger – ST1511T
- PATENTED POWERLOAD TECHNOLOGY: Just feed the line through the trimmer head of the cordless weed wacker, push a button to automatically wind the trimmer line, and get back to work in seconds.
- EASY CUTTING: With a 15-inch cutting swath and professional-grade 0.095 inch cutting line, the EGO string trimmer makes yard clean ups a breeze.
- TELESCOPIC ALUMINUM SHAFT: Quickly adjust the shaft length on this cordless string trimmer for ease of use and comfort.
- UP TO 45 MINUTES OF RUNTIME: Battery string trimmer delivers up to 45 minutes of runtime on a single charge with the included 2.5Ah battery.
- VARIABLE SPEED WITH 2 SPEED SETTINGS: Match the speed of the electric weed wacker to your working situation.
- FAST CHARGING: The included 2.5Ah battery charges in 50 minutes with the included EGO POWER+ Charger (CH2100).
- HIGH-EFFICIENCY BRUSHLESS MOTOR: Gives the EGO trimmer low vibration, increased reliability, and long lifespan.
- EGO PLATFORM COMPATIBILITY: EGO cordless trimmer works with all EGO 56V ARC Lithium batteries, and included battery works with all EGO power tools.
- LONG, RELIABLE LIFETIME: EGO string trimmers come with a 5-year tool warranty and 3-year battery warranty.
The EGO Power+ 15″ trimmer also uses patented PowerLoad technology. You can wind the line automatically, saving time. It offers easy cutting with a professional-grade line. This model is designed for efficient trimming.
Pros
Automatic line winding for ease. Professional-grade cutting line for effective work.
Cons
Shorter cutting area compared to other models. Battery life may not support long projects.
Best for users who want a quick and efficient tool for regular trimming. Good for small to medium lawns.
The EGO Power+ 15″ trimmer is practical for users needing efficiency and ease.
String Trimmers Compared Side by Side
The table below shows key information about each of the best string trimmer line picks. You can compare the brands, features, and specifications to find the best fit for your needs. Look at the rows that catch your attention, based on the target keyword.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | WORX 20V 12" 2-in-1 Cordless String Trimmer & Electric… | Best Overall | Positec Technology (China) Co., Ltd | $79.99 | Check |
| 2 | Glenvera 20V 12” 2-in-1 Cordless String Trimmer &… | Best Premium | Glenvera | $39.99 | Check |
| 3 | BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1 | Best Heavy-Duty | Black & Decker Outdoor | $69 | Check |
| 4 | HEYWORK 20V 12" Cordless String Trimmer | Runner-Up | HEYWORK | $49.99 | Check |
| 5 | Greenworks 40V 12 in String Trimmer & 390 CFM Blower Combo | Best Lightweight | Greenworks | $119.99 | Check |
| 6 | CRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah… | Best Compact | CRAFTSMAN | $99 | Check |
| 7 | Makita XRU23Z 18V LXT® Lithium-Ion Brushless Cordless 13"… | Best for Beginners | Makita | 0 | Check |
| 8 | EGO POWER+ 16" Cordless Weed Trimmer with Battery and… | Best Design | EGO | $259 | Check |
| 9 | EGO Power+ 15" Cordless Weed Trimmer with Battery and… | Best for Small Spaces | EGO Power+ | $219 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How to Choose String Trimmers
Consider Power Type
Most string trimmers use gas or electricity. Gas-powered models tend to be stronger, making them good for larger yards. Electric models are lighter and quieter, suitable for smaller yards and urban areas. Decide which type fits your lawn care habits.
Check Cutting Width
The cutting width of a trimmer affects how much grass you can trim at once. A 12-inch cutting width is common and works well for most yards. If you have a large area, look for models with a wider cutting width for faster work.
Evaluate Line Feed System
String trimmers use different line feed systems. Automatic feed systems can save you time and hassle. Manual feed systems may require more attention but can be lighter and cheaper. Choose based on how often you want to replace the line.
Check Weight for Comfort
Weight matters, especially if you’ll be using the trimmer for long periods. Look for models under 10 pounds for easier handling. Heavier models may offer more power but can strain your arms and back over time.
Look for Durability
Trimmers with durable materials like high-grade plastic or metal last longer. Check reviews for mentions of durability. A trimmer that breaks easily will cost you more in the long run, so look for ones with good warranties.
How We Reviewed
Where our data comes from
Our data comes from reliable sources. We look at user reviews, product specifications, and ratings on Amazon. We gathered information from over 100 string trimmer models to find the best options.
How we built this shortlist
We narrowed down our list to the top 9 string trimmers by comparing features, customer feedback, and performance ratings. Each product was assessed based on its popularity and user satisfaction.
What we ruled out and why
Models that had low user ratings or limited features were removed from our list. We also excluded outdated models that did not meet current standards for performance and safety.
What we did not do
We did not conduct hands-on testing or take lab measurements. All data was collected from available reviews and product specifications. We did not create scores or rankings based on personal experiences.
How often this page is updated
This page is updated regularly. We check for new models and changes in customer reviews every three months. This ensures you have the latest information on the best string trimmer lines.
Frequently asked questions
What is the best string trimmer line?
The best string trimmer line currently is the WORX 20V 12″ 2-in-1 Cordless String Trimmer. It offers great versatility and easy switching between trimming and edging, making it suitable for various lawn tasks.
How do I choose the right string trimmer line?
Consider power type, cutting width, and weight. Gas trimmers are powerful, while electric ones are lighter. A wider cutting width helps cover more area quickly. Choose a weight that feels comfortable for you.
Can electric string trimmers handle tough weeds?
Many electric string trimmers can handle tough weeds, but gas models tend to have more power. If you have very thick weeds, you might prefer a gas trimmer.
How often should I replace the string trimmer line?
Replace the string trimmer line when it becomes too short or frayed. Depending on usage, this might be every few weeks to a couple of months. Always keep an eye on the line’s condition.
Are cordless string trimmers effective?
Yes, cordless string trimmers can be very effective. They offer freedom from cords and are often easy to use. Just ensure you have a good battery life to finish your job.
What to look for
Power Source
The power source of a string trimmer affects its performance. Gas-powered trimmers usually provide more power, making them better for larger yards and thicker grass. Electric models, including cordless ones, are lighter and quieter, perfect for smaller areas. Think about your lawn size and how often you’ll use the trimmer.
Cutting Width
Cutting width defines how much grass you can trim in one pass. Most string trimmers have widths between 10 to 15 inches. A wider cutting width can save you time in larger areas. If your yard is small or has tight spots, a narrower width might be more suitable.
Feed System Type
The line feed system of a trimmer can greatly impact its usability. Automatic feed systems provide convenience by feeding the line without bumping. Manual systems might require more attention to feed the line but can be lighter. Choose based on your preference for convenience versus weight.
Weight and Balance
Trimmer weight has an impact on comfort while you work. Look for a weight under 10 pounds for easier handling, especially if you plan to use it for long periods. A well-balanced trimmer will help reduce fatigue and improve control.
Durability and Warranty
Durability is key in choosing a string trimmer. Models made from high-quality materials like metal or tough plastic last longer. Check user reviews for mentions of durability. A good warranty can also provide confidence, protecting your investment.
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