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Technical Reference > Determining Roll Diameter

Determining Roll Diameter
The following is an approximate formula for determining the diameter of a roll of fabric. The formula generally underestimates roll diameter for fabrics with texture or some specialty yarns. Also, actual diameters can vary at different take-up tensions.




Where,
T = thickness of fabric (inches)
Y = linear yards of fabric
C = core diameter (OD)


Example:
Style 7628, Greige
1500 yards
4" core






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