Paper Roll Length Calculator
Calculate the total length of paper wound on a roll using its outer diameter, core diameter, and sheet thickness.
Approximate result; actual length may vary.
Examples
- Outer 10 cm, Core 4 cm, Thickness 0.1 mm ⇒ 2356 m
- Outer 8 cm, Core 3 cm, Thickness 0.12 mm ⇒ 1222 m
FAQ
Why convert to millimeters?
The formula requires consistent units.
Does it assume tightly wound paper?
Yes, gaps between layers aren't considered.
Can I use inches?
Convert dimensions to centimeters and millimeters first.
Is thickness constant?
The calculator assumes uniform thickness.
Additional Information
- Assumes paper is wound tightly without gaps between layers.
- Result is in meters; multiply by 3.281 to convert to feet.