Calculate flat or wraparound label dimensions, coverage, area, bleed, safe print space, and printer dots from container or finished-label measurements.

For straight cylindrical containers. Use your printer’s dieline for bleed, safe margins and final fit.

100% covers one circumference before seam overlap.

Seam and print settings

Blank means no overlap.

Blank means zero. Use your printer’s specification.

Blank means zero.

300 PPI is a starting setting; confirm with your printer.

Label Size Formula

The following formula is used to calculate the label area (often referred to as “label size”) for a rectangular label:

A = W × H

Variables:

  • A is the area of the label
  • W is the width of the label
  • H is the height of the label
  • Area is expressed in square units (e.g., in², cm²) when W and H are in the corresponding length units

For a rectangle, area = width × height. Choose Flat label and print dimensions in the calculator to find dimensions and area. For a straight cylindrical container, wrap width = π × diameter × coverage / 100 + seam overlap; the reverse mode solves diameter from label width. Bleed and safe inset are printer-specific. The oval print settings describe bounding dimensions rather than a uniform curved offset; use the printer’s dieline.

What is a Label Size?

Label size refers to the physical dimensions of a label, typically given as width × height (for rectangular labels) or as a diameter (for round labels). Common units include inches, millimeters, and other length units. Choosing the right label size impacts the visibility and readability of the information printed on it and whether it fits properly on the product or package. Label size also affects the overall design and layout of the label, including the size and placement of text, images, and other elements.

How to Calculate Label Size?

The following steps outline how to calculate the label area for a rectangular label.


  1. First, determine the width of the label (W).
  2. Next, determine the height of the label (H).
  3. Next, use the formula from above: A = W × H.
  4. Finally, calculate the label area (A).
  5. After inserting the values for W and H and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Width of the label (W) = 5 inches

Height of the label (H) = 3 inches

Label area (A) = W × H = 5 in × 3 in = 15 in²

So the label size is 5 in × 3 in (area 15 in²).