What Size Chainsaw Do I Need to Buy?

Chainsaws are a kind of versatile tool that helps one to fell trees, prune branches, cut up firewood and clean up after a serious storm. There are various kinds of chainsaws available in the market.

Different tasks will require chainsaws of different sizes. So it’s a complicated question for you that “What size chainsaw do I need?” Though it clearly depends on your requirements, it is difficult to choose which one will be appropriate for you.

It is a must to find the best saw for your use. So let’s figure out the right chainsaw size for you according to your needs.

What Size Chainsaw Do I Need

How to Choose the Right Chainsaw

If you want to know which size chainsaw will be right for you, you have to know how to measure a chainsaw. The size of the chainsaw depends on the length of the guide bar. Let’s see how you can measure the guide bar of a saw.

You can measure the guide bar by using a measurement tape. You can measure it from the tip of the chain to the base where the guide bar enters the housing of the engine, then round up the nearest even number, and it is the size of your chainsaw.

Which Size would be Appropriate for You?

The point you need to focus on is the quality of the wood that you are going to cut. To do this, you need to choose a chainsaw with a bar that is two inches longer than the diameter of wood you need to cut.

Considering this guideline, when you need to cut a tree that is across 10 inches, you have to use a chainsaw that has a 12 inches guide bar or blade. While it is possible to cut a piece of wood with a shorter bar, it would be difficult and will require much effort. So it is intelligible to choose a chainsaw with a larger bar than the cutting wood.

The power of the engine is another matter that should be considered. A powerful chainsaw means the saw has a powerful engine. You can learn about how powerful your saw engine is by seeing the guide bar because the longer the guide bar, the more powerful the engine is.

Each woodcutting task requires a specific length of guide bar or blade, and a certain size helps to get a safe cut. Let’s see which size is good for which task.

6″ to 10″ Chainsaw for Pruning Limbs

Pruning means selectively trim or remove branches from a tree. Pruning is very important for trees as it removes unwanted branches of the tree and helps to improve the structure of the tree. 6″ to 10″ chainsaw is the best size for pruning small branches or trees which are thin.

See About Guide to choose best chainsaw for milling

8″ to 12″ Chainsaw for Removing Branches

Small trees, as well as large trees, need to remove unwanted branches for healthy growth. The branches of the large tree are often about 6″ to 10″ thick. For cutting these thick branches, an 8″ to 12″ guide bar would be ideal. So 8″ to 12″ chainsaws are useful for removing branches from larger trees.

Greenworks 12-Inch 40V Cordless Chainsaw

12″ to 14″ Chainsaw for Felling Small Trees

Sometimes we need to cut down small trees in our yard or garden to make our surrounding clean and spruce. For cutting wood, we need a chainsaw. If you want to cut a small tree, you need a chainsaw with a 12″ to 14″ guide bar.

Husqvarna 120 Mark II 14 inch Gas Chainsaw

14″ to 16″ for Splitting Firewood

According to Wikipedia, Wood splitting is an ancient technique used in carpentry to make lumber for making objects, some basket weaving and to make firewood. If you have moderately sized logs, you can split them with a chainsaw of 14″ to 16″.

Also See my best chainsaw for cutting firewood

Husqvarna 120 Mark II 16 inch Gas Chainsaw

16″ to 18″ Chainsaw for Felling Medium Trees

Medium size trees are larger in size than small trees. So as 14″ to 16″ chainsaw is required for dropping a small tree, medium trees will require a larger chainsaw. 16″ to 18″ chainsaw blade will be perfect for felling medium-size trees in easy way.

Remington RM4218CS 18 inch Gas Powered Chainsaw

20″ or larger than 20″ Chainsaw for Felling Large Trees

Overthrowing large trees is a difficult task and also risky for ordinary people. So it would be better if this task is done by professionals. Nonetheless, if you want to fell a large tree, you need a saw that has a 20″ large blade at least. If your saw is smaller than 20″, you can’t use it for cutting large trees, but you can use your saw if the guide bar of the saw is larger than 20″.

ECHO 20 inch Timber Wolf Gas Chainsaw

What Problems You May Face If You Choose the Wrong Chainsaw?

You have to figure out which chainsaw will be perfect for you. If your saw is bigger in size, then you have to face three types of problems. The saw will be dangerous for you while you work with it, as larger chainsaws are harder to handle.

You cannot work with it inefficient manner, and it will be an unwise step to buy a bigger saw. The next is increasing kickback possibility. If the machine is big, it will give you kickback repeatedly.

The last one is spending money on garbage. When the saw is not perfect in size on the basis of its user, it is like garbage then. You can’t operate it efficiently, so it’s nothing but a waste of money and effort.

On the other hand, if your saw is smaller, you can get the cut by following the cutting process several times. But in this process, it will take double time from you and double fuel, which will not be an issue with a larger saw as it will be able to cut with just a single effort. So it will be a waste of money and also a waste of time and effort.

Final Verdict

After discussing all the above, you can know how important it is to select the right chainsaw for your work. Otherwise, it will be wastage and will create a danger to its users. So you should be careful enough so that you can choose the right chainsaw and get efficient and flawless work. I think the question “What size chainsaw do I need?” is clear to you now.

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About Jose Wilson

Hi, I am Jose Wilson. I am an avid DIY woodworker. I love to try out new woodworking tools. In over 6 years I have tried several wood working tools including circular saws, table saws, chain saws, and jigsaw among the rest. My inspiration came from watching my dada work. I also learned that many people didn’t quite understand how to use these tools. Today, I have helped so many people to learn the use, benefits, and how these DIY woodworking tools operate. I have created a number of work-tools related posts, built websites, and developed social media pages. Follow me here to learn more.

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