Yarn Spinning & Preparation

Resultant Count for Plied & Folded Yarns

A 2-ply of 40s is coarser than 20s once contraction is counted. This shows by how much.

Singles Before doubling
Ne
no.
Doubling Twist contraction
3%
0% 15%

Resultant Count

— Ne

True delivered count after contraction

Ply Characteristics

Nominal Count (no contraction)
— Ne
Resultant Linear Density
— tex
Resultant Metric Count
— Nm
Count Shift from Contraction
— %

Contraction typically runs 2-5% for normal ply twist and higher for hosiery or crepe twists. Measure it on your own doubler rather than assuming.

Resultant Count for Plied & Folded Yarns — free, with the formula and a worked example, at Textile School.