Roll Length Calculator

Need to know how much vinyl, banner material or fabric is left on a roll? Enter the measurements below for a quick estimate.

inches
inches
inches
Include the liner thickness when applicable.

This calculator provides an estimate only. Actual roll length may vary because of material compression, measurement accuracy and variations in material thickness.

** Be sure to measure entire material thickness including film, adhesive and liner as accurately as possible.

Diagram showing how to measure roll diameter, core diameter, and material thickness
Formula ((Roll² − Core²) × π) ÷ (48 × Thickness)