Roll Weight Calculator
Weight of a wound roll from its diameters, width, thickness and material — with the wound length too. Updates as you type.
kg/m³
mm
mm
mm
µm
How roll weight is calculated
Two steps: the wound length = π × (OD² − core²) ÷ (4 × thickness), then weight = length × width × thickness × density, all in consistent units. If you already know the length, the film weight calculator takes it directly; if you only have the roll's diameters, this tool does both.
FAQ
How do you calculate the weight of a roll?
Get the wound length from the diameters and thickness, then multiply length × width × thickness × density.
Related tools
Weighing & measuring gear
Links open Amazon. As an Amazon Associate, MatQuo earns from qualifying purchases — at no extra cost to you.