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There are different ways to calculate ones yardage for any given project. There are several weaving books that tell you how, there are weaving software programs available and still others that design there own using spreadsheets. On this page is a basic method of calculating ones yardage for both warp and weft. Its a good start. Another method: JoOwl's Yarn Calculation
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WARP
Figuring the yardage of yarns needed for warp
- Warp length (in inches) __________________
- Add loom waste + ____________________
- Add shrinkage + __________________
- Multiple by "width x epi" __________________
- Divide by 36 ____________________ = yards needed for warp
WEFT
Figuring the yardage of yarns needed for weft
- Width (in inches) ____________
- Multiply by p.p.i. =____________
- Multiply by length = ____________
- Divide by 36 ____________ = Yards needed for weft
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