Skip to Content
Battery Chainsaw support
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 diameter | Chain pitch | Chain name | |
| (mm) | (*) | ||
| 3.5 | 9/64 | 1/4", mini | SP11G |
| 4 | 5/32 | 1/4", 3/8" mini, .325 mini | SP21G, S93G, H00, H38, H37 |
| 4.8 | 3/16 | .325" | SP33G, S35G, H30, H25, H21, H23 |
| 5.5 | 7/32 | 3/8", .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.