Use the old adage measure twice and cut once then turn the gutter upside down on the table and mark it all the way around.
Mitre saw to cut gutter.
Making an outside gutter miter.
Fit the miter saw with a carbide tipped finish blade for cutting through metal but this is the fastest and most efficient tool for cutting through any type of gutter material.
You ll thank me later.
Using a miter saw will often leave a cleaner cut than those made by hand with a hack saw for example.
It can handle larger pipe diameters that a hand cutter might struggle with.
Grab one side of the gutter and lower the saw slowly to the gutter.
Plug in the saw and squeeze the trigger button.
I used a non ferrous metal cutting blade that i go.
Measure the cut laying your gutter on the workbench measure off the amount of gutter you want to cut and mark it with a pencil.
Cut all the way through at a consistent speed.
Let go of the trigger when through and then pull the saw back up to its starting position.