RSC corrugated carton

Box Dieline Calculator

Inside dimensions

in
in
in
in

Planning aid only. Confirm final production dielines, allowances, caliper, and tooling with the carton vendor.

Blank length
43.5 in
Blank width
15 in
Board area
652.5 in^2

Score positions

2 x (L + W) + tab; D + W

Panel scores from left edge

After first L panel 12 in
After first W panel 21 in
After second L panel 33 in
Tab starts after second W panel 42 in

Flap scores from top edge

Upper flap score 4.5 in
Lower flap score 10.5 in
Each flap depth 4.5 in
Panel layout L / W / L / W / tab

Inline SVG dieline schematic

Scaled in inches

Self-tests

PASS 3/3

    About the Box Dieline Calculator (RSC carton)

    Packaging engineers and structural designers need precise dimensional blueprints before manufacturing corrugated cartons. A box dieline calculator instantly generates the structural layout for a Regular Slotted Container (RSC). By converting internal volume requirements into an exact 2D sheet size with accurate score lines and glue flaps, it provides a functional SVG dieline ready for graphic overlay and prototyping.

    How it works

    1. Input the required internal dimensions (length, width, and depth) for the box.
    2. Select the corrugated board thickness or flute type (e.g., E-flute, B-flute, C-flute) to account for folding allowances.
    3. Define the required glue flap width and manufacturing margins.
    4. Review the calculated blank sheet area and export the structural SVG dieline.

    Frequently asked questions

    What is an RSC box?

    An RSC, or Regular Slotted Container, is the most common shipping box style. All flaps have the same length, and the two outer length-flaps meet precisely in the center when folded.

    Why does board thickness matter for a dieline?

    Corrugated material has volume. When the board folds, the material compresses and shifts. The dieline must include creasing allowances based on flute thickness to ensure the internal dimensions remain accurate.

    What is a glue flap?

    The glue flap, or manufacturer's joint, is a small extension of the corrugated board on one end of the blank. It is folded and glued (or stitched) to the opposite panel to form the 3D structure of the box.

    How are dielines used in packaging design?

    A dieline serves as a template in graphic design software like Illustrator. Designers place artwork safely within the panel boundaries, ensuring logos and text do not print over score lines or bleed off edges.

    References