What size trimmer line for Dewalt should you use? You should use a trimmer line between 0.065 to 0.110 inches. But this size needs to be selected according to the intensity of work.

Every trimmer line sizes aren’t suitable for all kinds of grass. Some field needs a thick liner for heavy work. At the same time, others need thin size liners for slight trimming. Selecting the perfect size trimmer line isn’t that difficult.

All your doubts about the perfect size trimmer lines will be cleared in this article. Make sure to read until the end for the right recommendations.

What Size Trimmer Line For Dewalt

For different types of grasses, DT20650-QZ 0.095 inch is best to use. Dewalt has one of the best lawn mowers and trimmer lines. Often people seem confused about what size trimmer line I should use. This table below will clear out all the doubts you have.

Trimmer Line SizeUsed For
0.065 to 0.085 InchSmall Trimming
0.085 to 0.110 InchMedium To Heavy
0.110 Inch To AboveHeavy Work

Besides, it will help if you check different weed eater string size chart including different shapes.

0.065 to 0.085 Inch

For light works beside the lawn, a 0.065 to 0.085-inch size trimmer line is suitable. These consume less power and have less voltage.

They are definitely not strong enough to cut thicker grasses over a large area. It will start malfunctioning or damage for using it on thick grasses. It’s recommended to choose at least a 0.080-inch trimmer line size.

0.085 to 0.110 Inch

Usually, for medium to heavy work, 0.085 to 0.110-inch size trimmer lines are used. These sizes are beneficial for extensive lawns. Especially for thicker under bushes, they are a perfect size. It’s best for lawns with both thin and thick grass.

Moreover, it gives power backup without any disturbance. 0.95 inches is the best size for small to medium workload. Also, it works perfectly on sight-heavy grasses.

0.110 Inch To Above

0.110 inches to above size is ideal for thick grass over more extensive lawns. Other size trimmer lines can’t handle heavy grasses. But this size works the fastest without extra hassle. It also creates a fast-running engine compared to different sizes.

Top 3 Dewalt Trimmer Line Recommendations

1. Dewalt DWO1DT802 (0.080 Inch)

This 0.080-inch Dewalt line trimmer line size is best for thin grass. This model is easy to install and budget-friendly compared to other models of Dewalt liners. It’s also the best-rated product on amazon for small lawn owners.

2. Dewalt DWO1DT915 (0.095 Inch)

This Dewalt trimmer line size chart is 0.095 inches in width and 144 inches long. It works best for any medium to heavy work in large yards. Though the thickness is not above 0.110 inches, it still gives the user a smooth experience. It is suitable for removing thick and stubborn grasses.

3. Dewalt DT20650-QZ (0.095 Inches)

Dewalt DT20650-QZ is the most popular and commonly used trimmer line size. It gives back up for medium size works on the lawn. Also, highly recommended for small lawn owners.

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Frequently Asked Questions (FAQs)

What size line does a Dewalt trimmer use?

Typically, a 0.080-inch size line is used in the Dewalt trimmer. It uses line size according to the trimmer head and intensity of work needed for a lawn. Dewalt has up to a 0.098-inch size trimmer line. This 0.080-inch size line is mainly used in a 13-inch diameter head.

What happens if you use the wrong size trimmer line?

If you use the wrong size trimmer line, it can break or start malfunctioning. Trimmer lines are used according to the amount of work. Thin liners can never work well for thick grasses. They will eventually stop working. Also, thicker liners take up excess power compared to thin grass. In short, one should never use the wrong size trimmer line.

Does it matter what size trimmer line you use?

Yes, it matters what size trimmer line you use. According to specific needs, it has a variety of broad size lines. It’s best to use 0.065 to 0.085 inches thick liners for light grass trimming. And for heavy works, it’s suggested to use a 0.085 to 0.110 inches trimmer line size.


Ultimately, now you know what size trimmer line for Dewalt should be based on your need. Try to check all sides of your lawn to determine the thickness of the grasses. Additionally, this article will get you covered with all the sizes suitable to your trimmer and work type.

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