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…figure how much yarn your wool will make

You have mastered your drop spindle and now you are looking at that beautiful wool roving. All those gorgeous colors and textures! But how can you figure out how much fiber you need?

Many people ask us the question – how much yarn will this knot of roving make?

That question is hard to answer, it depends on how much roving is in the knot, the fiber, how well it is prepared and how evenly you spin. But it is possible to approximate how many yards you can spin from one ounce of roving.

You can use this guide as a basic outline.

WPI means Wraps Per Inch. Wind your yarn around a regular wooden ruler and see how many wraps there are in each inch. I wrap several inches and take an average

If you spin:

  • Worsted Weight Yarn {12 WPI} You will get: 56 to 75 yds/ounce
  • Bulky Yarn {10 WPI} 38 to 50 yds/ounce
  • Sport Weight Yarn {14 WPI} 75 to 113 yds/ounce
  • Fingering Weight Yarn {16 WPI} 119 to 150 yds/ounce
  • Lace Weight Yarn {18 or more WPI} 163 + yds/ounce
  • Very Bulky Yarn {8 or less WPI} 25 to 31 yds/ounce