How to describe a paper roll size?

There are four specifications needed when we describe a thermal paper roll size:

• Width
• Diameter
• Length
• Core size

We typically describe the size of a full thermal paper roll using two methods:

• Width x Diameter x Core,
• or Width x Length x Core.

Here are a couple of examples:

• For the popular paper roll size 80mm x 70mm x 13mm, the 80mm indicates the width of the paper, 70mm is the diameter of the roll, and 13mm refers to the core size.
• In the case of the paper roll size 3 1/8″ x 230′ x 7/16″, the width is 3 1/8″, the length is 230′, and the core size is 7/16″.

For a more detailed guide, you can check out our article on How to Measure Paper Roll Size. Want to explore the mathematical relationship between a paper roll’s diameter and length? You can take a look at our guide on How to Calculate Thermal Paper Roll Length.