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Best Trimmer Line: 5 Products To Help Keep Your Yard Looking Its Best

Owning property requires that you maintain it, and more often than not you’ve purchased a string trimmer at some point. Depending on the make and model, you have a bit of minor upkeep to deal with concerning these as well- but one thing they all have in common is the fact that they work using a string line, and it will need to be replaced as you use it.

This article is here to help you determine the best weed eater lines on the market so your purchasing choices can be that much easier.

Best Trimmer Line Comparisons

Trimmer Line
ShapeDiameterLengthOur Rating
Weed Eater

Round.080 inch150 feet4.7
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Round.095 inch140 feet4.5
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Square.095 inch685 feet5.0
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Spiral.130 inch150 feet4.7
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6-bladed.155 inch315 feet4.6
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Are String Trimmer Lines all the Same?

Not all string trimmers are the same. There are many brands on the market, including those that make fuel powered, electric, and cordless models, and each has its own trimmer head from which the line is fed into. Many of these heads are similar enough in nature from one brand to the next that standard weed wacker line can be used from one make and model to the other, but attention needs to be paid to how the line is used, the shape, and the cord diameter (explained below), when making a purchase.

Which String Trimmer Line Size is Best for the Job?

Weed trimmer line size is directly related to the size of material you will be cutting. The larger the weed, the larger diameter line you will be using. Smaller grass/weeds that fall into the 0.60-0.80 inch category will only need a fine line that falls into the 0.60-0.80 inch category. Medium diameter weeds are considered to 0.11 inches, requiring a cutting line to 0.11 inches, and larger stems, small branches, thick brush falls into the 0.15+ category. The 0.15 inch lines are typically considered professional grade and are manufactured not only for durability, but for long use, and are chosen for industrial site, estates, and other large areas of landscaping. So as you can see, weed eater string sizes are an important consideration when determining your needs. You’ll want to check your string trimmers manual before you purchase line to be sure of what size it is capable of handling. Most models can only handle up to a certain size.

Why are There Different Line Shapes?

The shape of your line affects both the its work capabilities as well as sound. There are four major shapes on the market, round,multi-sided, spiraled (twisted), and bladed (serrated) cords exist to help you get the job done. Below is an overview of the most popular and the ones you will see while in your search for the perfect line.

Round cords are the most popular as they are almost every homeowner’s original default trimmer line. Falling into the small size category, this line generally can refill any model string trimmer, but isn’t made to withstand larger materials and will wear down more quickly in those circumstances.


Square designed line are geared towards the typical landowner that has some heavier weed wacking to take care of. It usually falls into the medium sized line category, and can take a beating against rocks and other hard objects.


Spiral shaped lines are best in neighborhoods and other residential areas where noise ordinances exist, yet you need to get some major weeds knocked down. This is a line that falls in the medium- to large sized category, can take some rough wear, and keep working for you without raising a ruckus!


X-shaped cord is designed for both homeowners and professionals and is designed to trim through the toughest of materials. Because of the shape and surface area, it is flexible and resistant to overheating resulting in melt.


5-sided line can come in a variety of sizes and helps grabs grass and weeds more easily that a smooth surface, yet still feeds easily.


6-bladed line is generally always a professional grade line with a ribbed design to hold up to the most severe cutting jobs.

How To Choose The Best Weed Wacker String For You

As mentioned, you should check your string trimmer manual before making any purchase. Many model heads can only feed up to a certain size line, and putting in anything else will only cause a lot of frustration on your behalf. If you have put in an after market trimmer head at any point, you’ll need to check the manual for that instead as they generally are used in order to provide more versatility with a trimmer’s overall use.
Once you know what your model is capable of, to a quick walk around your property and look over the types of materials you need to cut. Generally speaking, a larger line will cut anything below it size-wise, but why spend the extra money if you are only going to be trimming up some grass and small weeds?
Also take into account the noise pollution you will cause during your property maintenance. If you live where there are noise restrictions, consider buying smaller, or shaped line, to reduce that distraction.

What Weed Eater String Alternatives Exist?

There are many replacement string trimmer heads on the market. Most are toted as universal, meaning they should fit just about electric, cordless, or gas powered tool depending on its label. But be sure to read the information provided with both your string trimmer, and the alternative you are considering to make sure it is compatible- since some can get rather pricey.

The majority of alternative trimmer heads are for gas powered models (electric and cordless alternatives are, admittedly, hard to find) and include such things as simple, easy feed pieces, pre-cut line heads, and even stringless, heavy duty blade replacements.

You’ll usually have to do a bit of taking apart and putting back together with many of these, but I’ve found, for the most part – the extra cost and time can be well worth the effort in the long run.

5 Of The Best Line Trimmer Cords On The Market

Weed Eater Round String Trimmer Line

Quick Info

  • Shape: Round
  • Diameter: .080 inch
  • Length: 150 feet

The Weed Eater brand, .08 inch, round trimmer line is a top rated favorite for yard owners everywhere. Durable and lasting, it fits practically every electric, cordless, and gas powered model, doesn’t add any unnecessary weight to bog down your engine, and provides the extra needed strength to get at more than just fine grasses and weeds.

Toted as easy to wind and feed, this seems to be a go-to for general lawn and yard care year after year, and is a replacement line that doesn’t disappoint. Because of its diameter and smooth shape, this isn’t a line made to readily withstand hard surfaces or thick weeds, and will wear and break easier than a larger cord.
This string trimmer line is best for small lawn and garden owners who need a durable replacement line for their string trimmer, but don’t have the worry of many thick or unruly weeds. Stronger than a .065 line, but generally easy to feed into a trimmer that calls for a smaller line without binding, this is a good product and good value.


  • Very durable for small maintenance
  • Smooth design maintains correct string length
  • Works well with auto-feed features
  • Installation is easy
  • Good value


  • Frays at end
  • Doesn’t hold up against hard surfaces
  • Only rated for small to medium trimming materials

Husqvarna Titanium Force String Trimmer Line

Quick Info

  • Shape: Round
  • Diameter: .095 inch
  • Length: 140 feet

This round, smooth, .095 inch line allows for fast acceleration, good balance, and reduced fuel consumption. It also is quiet, yet has the ability to cut through a variety of small and medium materials quickly and without line waste. Considered ‘titanium’ (it’s not metal, it’s nylon) because of its patented design and strength, this is a top rated product that comes out on top year after year.

Despite its higher comparable price, it wears slowly and lasts longer than many other lines on the market, making it a product many people go back to time and again. Made to fit all standard trimmer heads, be sure to check the size will fit your feeder, especially if you have an electric or cordless version.

This is a great line for any homeowner. The line can handle the easiest of jobs with practically no wear, but yet can also deal with any medium materials that get in the way. Since it can feed into just about every trimmer head, it makes it a versatile, strong replacement line.


  • Durable against rocks, concrete, and other hard obstacles
  • Cancut into hard packed soil to get at roots while edging
  • Wears slowly: a little lasts a long time
  • Quiet


  • Not good in professional high-torque models
  • Not built for commercial work
  • Expensive for amount of line

Oregon Heavy-Duty Professional Magnum Gatorline

Quick Info

  • Shape: Square
  • Diameter: .095 inch
  • Length: 685 feet

As a medium weight line, the .095 diameter of this trimmer cord can easily handle the many grasses and weeds that grow up along your property, and yet is still small enough to feed through most string trimmers. Its square shape provides the extra grab needed for tougher material, and has been compared in strength and durability to some of the larger diameters on the market.

A favorite amongst lawn and landscaping companies, this product not only gets the job done, but also saves you both reloading time and money. Because of its smaller size, it can cut easily into softer materials along house sidings, decks, and garden borders, so it’s important to note that care should be taken around objects you don’t want marred in anyway.

The Oregon Magnum Gatorline is an ideal pick for commercial yard businesses, and general landowners that have more than just a few small weeds and grasses to keep manicured, but also isn’t up against any heavy brush or woody stems. Its lastingness, combined with the sheer amount of product is sure to make it a favorite.


  • Extremely durable against all surfaces
  • Doesn’t bind
  • Saves time on reloading since it lasts so long
  • Great value


  • Very unforgiving, be careful what you hit
  • Unbalances easily
  • Plastic heats easily and can curl, or melt

LoNoiz Commercial Grade Spiral Twist Quiet Trimmer Line

Quick Info

  • Shape: Spiral
  • Diameter: .130 inch
  • Length: 150 feet

This spiral twist, grass trimmer line is built to take on the toughest of your weeds without breakage near and around hard surfaces. Because of its diameter, it also doesn’t have the destructive force up against house siding and decking that small cords do, in the case that you accidentally bump against something you shouldn’t. To top it off – the noise reduction design allows a long run time in heavily populated areas without driving your neighbors crazy, or driving away business.

Created for more durable string trimmer models, if the engine of your trimmer can handle the weight, and the head is supportive of the size, this is a good alternative line to use for general clean-up of your property if you happen to get some larger weeds or brush occasionally growing. Toted also as a do-it-all type line, its size holds up to be cut to length without curl for windless alternative trimmer heads.

The LoNoiz quiet trimmer line is a great line to purchase for anyone doing any kind of cutting that requires a more sturdy, long-lasting line, owns a heavier duty or walk behind trimmer, or simply is looking to cut their own windless, ‘pre-cut’ lines.


  • Decreased noise
  • Tough, long lasting design
  • Forgiving of house siding and deck wood
  • Feeds well


  • Thick
  • Does not cut as clean as a smaller diameter
  • Fair value

Cyclone Commercial Trimmer Line

Quick Info

  • Shape: 6-bladed
  • Diameter: .155 inch
  • Length: 315 feet

Created to fit most commercial high wheel (walk-behind) trimmers, this 6-bladed, nylon line boasts both strength and durability. The .155 inch diameter line is one of the largest on the market, and is made to cut through anything in it’s path. Although it can fit some of the gas powered hand models, be sure to check if it will feed correctly to avoid premature breakage or binding.

Because of its shape, it is very noisy, and you should definitely wear both ear, and eye protection (a good practice at all times anyway) when using it as it also easily kicks up any small rocks or other debris in its way, creating small projectiles- so use with care. With that being said, it seems to be a line that you cannot go wrong with if you have a lot that needs to get done and you want something that lasts. One roll of this stuff will practically last the life of your tool!

The Cyclone line is a good buy for anyone who needs to replace line for a walk-behind, or is looking for something strong to fit in their high powered gas hand trimer. Since it is designed for tough materials, if you don’t have thick weeds or brush to cut back, this particular string may be a bit overkill and not worth the extra cost since you wouldn’t barely need to use any for light to medium duty work.


  • High Quality, long lasting
  • Leak-Proof
  • Good value
  • Can cut through heavy brush and bramble


  • Noisy
  • Can toss rocks and other debris


The overall goal is to find the best trimmer line for both your string trimmer model, and your normal work load. Remember to always check your manual for standard string size, and take a walk around your property to check what kinds of materials you will be encountering during your normal maintenance.

Although all top five choices highlighted here provide a good overview of the top-rated types of trimmer line on the market concerning strength and workload, all are versatile and can be used in more than one model trimmer. My top choice is the Oregon Heavy-Duty Professional Magnum Gatorline due to its square shape- that helps grab anything in its way- and its overall durability and cost effectiveness. I have a gas run trimmer with an alternative pre-cut line replacement string head, and I like that I can cut my own line and still be able to feed it into the sized pre-cut holes without paying the extra cost of pre-cut lines.

I also have a lot of heavy weeds and an acre of land to maintain- and using a larger diameter cord is not possible with my particular head, but I’ve had decent success with smooth, round lines due to the high powered torque of my particular model of string trimmer. The added cutting edge of the square shape is sure to keep me from having to replace line as often (currently I replace line after approximately 2 acres worth of trimming work).

About The Author

Danielle McLeod

Danielle McLeod cuts a tragic figure in the High School English classroom teaching literature by day, and moonlighting as a writer and graphic artist by night. Published in a variety of travel magazines, and now a blog, Danielle enjoys coming up with home and garden projects to complete with her two young boys. A native of Michigan, she resides in Southeastern New Mexico with her variety of horses, poultry, and variable mix of rescue dogs (there’s a cat or two in there as well). In her free time she enjoys travel, art, photography, and a good book!

  • Heather says:

    Be careful to select per manufacturer specifications! Using the wrong size or type of string can cause major issues.

  • Walter Ben Collins II says:

    Another great article. After reading this trimmer line guide as well the previous trimmer guide regarding straight versus curved shaft models I am now confident that I will make the right choice the first time when I make my purchase.

    Thanks again!

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