How To Measure A Chainsaw Chain

Get it right the first time

When you are measuring your chain saw to replace the chain, you may have to replace the bar as well. Both measurements need to be exact if you are going to get the right replacement.

It can’t be stressed enough that those measurements be right. If they are not correct, then the chain and the bar won;t fit securely and can come off during operation. When that happens you are putting yourself and others close by at risk of injury.

chainsaw diameter

How to measure a chainsaw chain

The first place to start is the chain bar. Chances are the bar has been damaged as well as the chain and replacing it is always a good idea. Measuring the bar is simple and as easy as measuring a board of wood.

Just go from one end to the other. You can take the bar off to make that measurement easier or take the lazy route and remove the bar and have the hardware store measure it for you.

When measuring your chain, there are three things you need to know:

  1. The pitch which is the distance between the drive links
  2. The gauge which is the width of the groove where the chain fits into the bar. This is not a one size fits all measurement
  3. The total length of the chain

The good news is that most of this information is printed right on the face f the chain saw bar and should be easy to read. Then to measure your chain, you go from the back end of the bar to the tip f the chain. If your tape measure reads 14 inches then you only need a 14 inch chain.

There is no doubling the result. If you do not have a tape measure handy then here are some steps you can follow:

  1. Stretch the chain out on a flat surface and look for the drive links. They are usually on the bottom of the chain next to the bar
  2. Count the number of drive links that are on your chain
  3. Going from the center of one rivet measure to the center of the third rivet in line divide that result by 2
  4. Add the two numbers together and you have your chain length

Keep in mind that when you lay the chain out, it hold appear exactly like it would when placed on the chainsaw bar.

Some final words

Measuring is easy. Just make sure you are careful and do not do any rounding up or down. That act may lead you to the wrong sized chain and put you at risk. Make sure you get the exact size of chain you need.

If you have doubts you can do that, take it to your local hardware store and have them do it for you.

Read more: the best battery powered chainsaw reviews

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