Plant chart of approximate length in feet for web or tape wound on a 3 in inside-diameter core. Columns are thickness in mils (1–16). Rows are finished roll outside diameter. A second block on the same sheet is a 6 in ID core. These are approximate — winding tightness, cores, and compressibility move the number. Use the PDF for the full grid.
What's in this guide
- How to read it
- Unit conversions on the sheet