Plying Calculator

Singles twist and plying twist for balanced yarn.

Singles TPI

Number of plies

Singles WPI

Desired finished yards

Twist take-up (%)

Tab to move between fields

Plying TPI

5.66

Plied yarn WPI14.1

Total singles needed (yd)444

Singles per ply (yd)222

Plied yards per pound10,000

Finished yarn weight (oz)0.32

Yarn WeightDK

How to Use This Calculator

Enter the twist per inch (TPI) of your singles yarn — count twists in a 1-inch section.
Set the number of plies you are combining.
Enter the WPI (wraps per inch) of the singles yarn.
Enter the desired finished yards of plied yarn and the twist take-up percentage (typically 5–15%).
Read the recommended plying TPI for a balanced yarn and the total singles yardage needed across all plies.
Use the singles yards per ply output to prepare equal-length bobbins before starting to ply.

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