Cable Reel/Spool Capacity Calculator

With our easy cable reel capacity calculator, you can calculate the maximum reel, spool or drum capacity — the maximum length of cable that can be wound on a reel. Enter the reel (drum) dimensions and the cable diameter below. Note that actual capacity may vary depending on winding tension, lay, and material.

Calculate Cable Length

* Please verify this guide with actual put-ups, as variables of tension, lay, material type, etc. will affect capacity.