Best cordless string trimmer
The best cordless string trimmer depends on your grass, weeds, yard size, and existing battery platform. Use this guide to compare power,…
Guides
Practical help choosing a string trimmer and solving line, head and power problems.
Best For Yard
Best Lightweight String Trimmer: What to Look For
The best lightweight string trimmer is easy to carry and control without being too weak for your grass. Here is how to compare battery,…
Best string trimmer for a home lawn
The best string trimmer for a home lawn is usually a cordless battery model for convenience, but corded electric and gas trimmers can make…
Best string trimmer for thick weeds
The best string trimmer for thick weeds has enough torque for dense growth, supports a durable line, and remains controllable when the…
Best trimmer for a rental property with mixed weeds
The best trimmer for a rental property should handle routine grass trimming and occasional heavy weeds without creating unnecessary…
Best trimmer for someone with wrist issues
The best trimmer for someone with wrist issues is usually a well-balanced, lightweight model with a comfortable auxiliary handle, low…
Choosing
Buying a harness for a heavy gas trimmer
A properly fitted harness can make a heavy gas trimmer easier to control and reduce strain. Here is what to check before buying one.
Curved Shaft for Light Lawn Edging
A curved-shaft string trimmer can be a practical choice for light lawn edging because it is generally compact and easy to guide. Here is…
Straight-shaft trimmer for under fences
A straight-shaft string trimmer can reach beneath fence rails more easily than many curved-shaft designs, but shaft length is only part of…
Split boom versus solid shaft
A split-boom trimmer is easier to store and may accept multiple attachments, while a solid-shaft trimmer is usually the better choice for…
Shoulder Strap Reducing Shaft Bounce
A shoulder strap can make a string trimmer feel steadier by supporting its weight, but the right attachment point and fit matter. Here’s…
Straight Shaft Versus Curved Shaft String Trimmers
Straight shaft trimmers usually offer more reach for getting under shrubs and around obstacles. Curved shaft trimmers are often compact and…
Line & Head
Buying a spool cap before the threads strip
A worn spool cap can turn a simple line change into a loose, vibrating, or unusable trimmer head. Here is how to identify the right…
Buying a Two-Pack of Prewound Spools
A two-pack of prewound spools can save winding time, but only if the spools match your trimmer head. Check the model, line diameter, spool…
Heavy-duty line for a weedy fence
For thick weeds along a fence, line diameter and shape matter more than buying the largest spool available. Match the line to your…
Rapid-reload heads that take bulk line
Rapid-reload trimmer heads can reduce winding time, but compatibility matters. Check the mounting system, line diameter, shaft type, and…
Replacement bump head
A replacement bump head can restore line feeding and simplify maintenance, but compatibility matters more than a universal fit claim. Check…
Spool of 0.095 twisted line
A 0.095-inch twisted trimmer line is a practical choice for many residential and light-to-medium-duty string trimmers. Check your trimmer’s…
0.080 versus 0.095 trimmer line
The right choice between 0.080 and 0.095 trimmer line depends mainly on your trimmer’s approved line diameter, the vegetation you cut, and…
Bump Head vs Fixed-Line Head vs Automatic Feed
Bump heads offer adjustable line length, fixed-line heads are simple and durable, and automatic-feed heads reduce manual adjustment. Here…
Cost of bulk line versus prewound cartridges
Bulk trimmer line usually costs less per refill, but prewound cartridges can be worth the extra cost when convenience, clean winding, and…
Cost to replace a stripped bump knob
A stripped bump knob is often an inexpensive repair, but compatibility and labor can determine whether replacing the knob or the entire…
Dual-line versus single-line heads
Dual-line heads can cut a wider path and handle heavier growth, while single-line heads are often simpler to load and easier on smaller…
Fixed-line head as a bump-head alternative
A fixed-line head can be a simpler alternative to a bump head, especially for users who want fewer moving parts and quick line changes. The…
How to Soak Line So It Breaks Less
Soaking nylon trimmer line in clean water can make old or brittle line more flexible and help it break less. Follow these steps, and check…
How to Wind a Bump Head | String Trimmer Line Guide
To wind a bump head, remove the spool, cut the correct length of trimmer line, wind it in the arrow’s direction, and lock the line into the…
Is 0.065 Line Only for Light Grass?
0.065-inch trimmer line is mainly designed for light-duty cutting, but it is not limited to grass. Here is how to decide whether it suits…
Replacement spool that fits your head
The right replacement spool must match more than your trimmer brand. Check the trimmer head, spool dimensions, line diameter, winding…
Speed-feed head versus a standard bump head
A speed-feed head loads line through the head more quickly, while a standard bump head is often simpler and less expensive. The better…
Twisted line lasting longer on fences
Twisted trimmer line can work well along fences, but its shape alone does not guarantee longer life. Diameter, material, fence type,…
Yearly cost of trimmer line
The yearly cost of trimmer line depends less on the trimmer itself than on how often you cut, how quickly the line wears, and what each…
How to store leftover line so it stays flexible
Store trimmer line away from heat and sunlight, and follow the line maker’s guidance on moisture. Some nylon lines can be soaked to regain…
Round vs. Twisted vs. Square Trimmer Line
Round line is a dependable general-purpose choice, square line can cut aggressively through heavier weeds, and twisted line may run more…
What Line Diameter to Use in a String Trimmer
The right trimmer line diameter is the size approved for your machine and head. Use the manual’s recommendation first, then consider how…
Power Source
Best cordless if you already blow leaves with the same batteries
If you already own a cordless leaf blower, the best string trimmer is usually the bare tool that uses the same battery platform. Here is…
Best string trimmer if you already own the batteries
If you already own batteries, the best string trimmer is usually the compatible bare tool—not necessarily the most powerful trimmer…
Best trimmer for a HOA that bans gas tools
For an HOA that prohibits gas tools, a cordless battery string trimmer is usually the most practical choice. Learn which features matter,…
Buying after switching from gas to a battery platform
A battery string trimmer can simplify maintenance and starting, but the right choice depends on the platform, battery size, workload, and…
Extra battery on your existing platform
An extra battery is often the simplest way to extend string trimmer runtime, but only if it matches your existing platform. Check voltage,…
18V versus 40V cordless trimmers
An 18V trimmer is usually easier to handle and suits light maintenance, while a 40V model is the better fit for thicker grass, larger…
Cordless versus gas string trimmers
Cordless trimmers are quieter, cleaner, and easier to start, while gas trimmers remain useful for long sessions, heavy weeds, and areas…
Cost of a second battery versus a gas trimmer
A second battery may cost less and be easier to live with than a gas trimmer, but the better value depends on battery compatibility, yard…
Extra battery for a cordless trimmer
An extra battery can keep a cordless string trimmer working while the first pack charges, but compatibility matters more than advertised…
Gas two-stroke versus a battery trimmer
Gas two-stroke trimmers suit long, demanding work when refueling matters more than noise or maintenance. Battery trimmers are easier to…
Two-stroke mix for a gas trimmer
Use the fuel ratio in your trimmer’s manual or on its label. Many gas trimmers call for 50:1, but the correct mix is model-specific.
Price & Buying
Cordless string trimmer for a quarter-acre yard
For a quarter-acre property, the right cordless string trimmer depends less on lot size than on how much grass, edging, fence line, and…
How Much Does a String Trimmer Cost? Price Guide
String trimmers typically cost about $30 to $500, depending on power source, cutting capacity, battery system, and intended workload. Here…
Is a cheap cordless trimmer enough for a townhouse
For a small townhouse yard, a cheap cordless trimmer is often enough for light grass, edging, and occasional weeds—but battery limits,…
Troubleshooting
Battery dying on a long fence line
A battery that dies before you finish a long fence line is usually being asked to handle excessive cutting load, a dirty or restricted…
Bump head will not feed line
If your string trimmer bump head will not feed line, remove the spool and check for stuck, crossed, overheated, or incorrectly sized line.…
Cordless trimmer bogging in thick grass
A cordless trimmer usually bogs in thick grass because the line is too long or heavy, the head is clogged, the battery is weak, or the…
Gas trimmer flooding
A flooded gas trimmer usually has too much fuel and not enough air. Use the correct starting position, let the engine clear, then inspect…
Head hitting concrete and mushrooming the line
If your string trimmer head is scraping concrete and the line is mushrooming, the usual causes are excessive line contact, an incorrect…
Line exploding out of a poorly wound spool
If string trimmer line is exploding out of the spool, the line is usually wound in the wrong direction, too loosely, too tightly, or beyond…
Line too short after a bump
If the line is too short after a bump, the head may be empty, wound incorrectly, clogged, damaged, or not designed to feed by bumping.…
Line welding inside the spool
String trimmer line usually welds inside the spool because heat, friction, incorrect line, or overly tight winding fuses adjacent wraps…
Primer bulb and a stale-fuel gas trimmer
A primer bulb that will not fill or stay firm is often connected to stale fuel, clogged fuel lines, a blocked filter, or a damaged bulb.…
String trimmer line keeps breaking
String trimmer line usually breaks because the line is the wrong size, installed incorrectly, routed through a damaged eyelet, or being…
String Trimmer Not Starting: Troubleshooting Guide
A string trimmer that will not start may have a simple fuel, battery, switch, or jammed-head problem. Use these checks to identify the…
Tap-to-feed that dumps all the line
A tap-to-feed head that releases all the line usually has a spool, cap, spring, or winding problem—not a motor problem. Use these checks to…
Wet grass wrapping the head
Wet grass commonly wraps around a string trimmer head because it clumps, bends the line, and blocks the guard. Stop the trimmer, disconnect…
Auto-feed wasting line in sparse grass
Sparse grass should not make an auto-feed head release line continuously. Check that the line and spool match the head, inspect the feed…
Guard Throwing Clippings at Your Legs: Checks and Fixes
A string trimmer guard may be loose, damaged, incorrectly matched to the head, or simply positioned on the wrong side for the trimmer’s…
Line welding after sitting in a hot garage
If trimmer line has fused into a stuck lump after being stored in a hot garage, remove the spool and inspect it. Replace any melted or…
Shaft Vibrating Badly: String Trimmer Checks
A string trimmer shaft that vibrates badly may have uneven line, debris caught around the head, a damaged attachment, or a bent shaft. Stop…
Use Cases
Best trimmer for cutting along a chain-link fence
The best trimmer for cutting along a chain-link fence gives you good edge control without constantly catching the line, damaging the fence,…
Best Trimmer for Edging a Long Driveway
The best trimmer for edging a long driveway needs enough runtime and line capacity to cover a large area without frequent stops. Learn…
Best trimmer for edging sidewalks
The best trimmer for edging sidewalks gives you controlled line placement, a stable cutting angle, and enough power to cut grass along…
Quiet Cordless Trimmer for Early Morning
A quiet cordless string trimmer can make early-morning edging and light grass trimming less disruptive. Focus on the motor design,…
Trimmer for a Slope Where a Mower Deck Will Not Reach
A string trimmer is often the simplest way to maintain grass on slopes, drainage ditches, and uneven edges that a mower cannot reach. The…
Trimmer plus edger attachment on one power head
A string trimmer with an edger attachment can replace two separate tools, but only when the power head, coupler, shaft, and attachments are…
Brush cutter blade for a string trimmer
A brush cutter blade can clear thick weeds, woody stems, and light brush more effectively than trimmer line—but only when the trimmer is…
Edging wheel or an edging mode
An edging wheel and an edging mode can both help create a cleaner border along sidewalks and beds, but they suit different priorities. Here…
Metal blade versus string on blackberry canes
String is suited to light, flexible blackberry growth; a compatible metal brush-cutter blade is more capable on thicker, woody canes. For…
String trimmer for a suburban lawn
For a typical suburban lawn, choose a trimmer that is comfortable for the amount of edging and detail work you actually do. Yard size,…
Trimmer for a ditch that is wet in spring
For spring ditch growth, prioritize stable footing and a trimmer suited to the vegetation—not simply the most powerful model. If the bank…
Trimmer for a long fence and ditch
For long fence lines and ditch edges, prioritize comfortable handling, enough power for the vegetation, and a line-and-head setup that…
When a blade attachment is safer than forcing line
Line is right for grass and many weeds, but repeatedly forcing it through thick, woody growth can be ineffective and unsafe. Use a blade…
Mower wheels closer to the edge instead of more trimmer time
If your mower can cut close to a border while its wheels stay safely on the lawn, a careful pass may save trimming time. The mower’s deck…
When to Use a Blade Instead of Line on a String Trimmer
Use trimmer line for grass and light weeds. A blade can handle tougher, denser growth—but only when the trimmer is designed for an approved…
Comparisons
3-in-1 power head versus a dedicated trimmer you will actually grab
A 3-in-1 power head can replace several outdoor tools, but a dedicated string trimmer is often lighter, quicker, and easier to grab for…
Attachment-capable power head versus a dedicated trimmer
An attachment-capable power head is the more versatile choice, while a dedicated string trimmer is usually simpler and easier to use. Here…
String trimmer versus a dedicated stick edger
A string trimmer is the more versatile choice for most homeowners, while a dedicated stick edger is better for creating crisp, repeatable…
Brush mower for a field instead of a string trimmer
For a large field or thick, woody growth, a brush mower is usually faster and less tiring than a string trimmer. For lighter work or tight…
Goat hire is not a string-trimmer alternative for a sidewalk
Goats may help clear broad, brushy ground, but they cannot reliably create a neat sidewalk edge. For grass and weeds along a walkway,…
Hiring an Edging Service for a Long Driveway
For a long driveway, hiring an edging service can save time and reduce equipment upkeep—especially if the edge is overgrown or needs…
Manual grass shears as an alternative on a tiny yard
Manual grass shears can handle a few tufts, tight corners, and light edging on a tiny yard. A string trimmer is usually easier for longer…
When a Hedge Trimmer Is the Wrong Tool for Grass
Hedge trimmers are made to cut hedge growth, not grass. For lawn edges, tall grass, and weeds, a string trimmer is usually the right…
How They Work
Cutting Swath Width Versus Battery Life
A wider string trimmer cutting swath can cover more ground per pass, but it may also demand more power. Here is how to compare width,…
How a String Trimmer Works
A string trimmer cuts grass with fast-spinning flexible line. The motor turns the cutting head, while the trimmer’s feed system releases…
Technique
How long to leave line out of the cut guard
String trimmer line should normally extend only to the guard’s cutoff blade, which trims it to the correct working length. Here is how to…
Edging with a Trimmer Without Trenching the Turf
Use the tip of the trimmer line to define the lawn edge, not the full sweep of the head. A light first pass, steady pace, and correct…
Eye Protection and a Face Shield With a Trimmer
A face shield adds coverage, but it should not replace impact-rated safety glasses or goggles. Wear both when trimming to help protect your…
Reviews
How to Read a String Trimmer Review
A useful string trimmer review explains what was cut, under what conditions, and how the tool performed—not just its power source or…
Line feed reliability reviewers skip
A trimmer head is only dependable if it feeds line consistently, survives normal use, and is easy to reload. Here’s what to look for beyond…
Reviewers Testing String Trimmers in Thin Fescue Only
A string trimmer that handles thin fescue may still struggle with tall grass, dense weeds, or brush. Here’s how to judge what a…
Runtime at full trigger versus advertised minutes
Advertised runtime is a guide, not a guarantee. Learn how continuous trigger use, cutting conditions, and battery capacity affect the time…
Warranty after the head hits a sprinkler head
A trimmer head striking a sprinkler head is usually treated as impact damage, not a manufacturing defect. Check your warranty terms,…