Chainsaw16/06/2025

How to choose the correct file size for a chainsaw chain?

Choosing the correct file size for your Husqvarna chainsaw chain is essential to keep your saw sharp and working efficiently.

Using the wrong file can damage your chain or reduce its lifespan.

How to find the right file size

  • Check your operator’s manual
    The easiest way to find the correct file size is to check the operator’s manual for your chainsaw. It lists the exact file diameter you need.
  • Look at the chain packaging
    When buying a new chain, the recommended file size is usually printed on a package.
  • Ask your local Husqvarna dealer
    If you are unsure, bring your chainsaw and chain information to a local dealer. They can help you select the right file size.

Common file sizes for Husqvarna chains

Ø File diameterChain pitchChain name
(mm)(*)
3.59/641/4", miniSP11G
45/321/4", 3/8" mini, .325 miniSP21G, S93G, H00, H38, H37
4.83/16.325"SP33G, S35G, H30, H25, H21, H23
5.57/323/8", .404"C83, S85, S83G, H42, H47, H48, H54, H80

When to replace a chainsaw chain

If your chain is heavily damaged or has been sharpened too many times, it is best to replace it with a new one.

This helps to maintain safety and cutting performance.

Need help choosing a chain?

Our bars and chains guide is designed to help you find the perfect chain for your chainsaw and cutting needs.

Bar and chain guide

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