Roving Weight Calculator

Ounces of roving needed for target yardage.

Target yarn yardage

Target WPI

Number of plies

Waste allowance (%)

Roving price ($/oz)

Tab to move between fields

Roving needed (oz)

0.72

Roving needed (g)20

Finished yarn weight (oz)0.65

Yards per pound9,800

4 oz braids needed1

Estimated cost ($)$1.44

Cost per yard ($)$0

Finished Weight Lb0.04

Total Roving Lb0.04

How to Use This Calculator

Enter the total yards of finished yarn you need for your project.
Enter the target WPI of the finished yarn.
Set the number of plies.
Enter a waste allowance percentage to cover sampling, leader yarn, and spinning waste (5–15% is typical).
Enter the roving price per ounce to see the estimated total cost.
Read the total roving needed in ounces and grams, plus the number of standard 4 oz braids to purchase.

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