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Turn pattern yardage and ball-band yards per skein into how many skeins to buy, with an optional wastage buffer for swatching and mistakes. Optionally enter grams per skein for a rough total weight estimate.
Last updated: April 17, 2026
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Total yards the pattern says you need before buffers.
Swatches, tension fixes, knots, or dye lot safety.
Leave blank or 0 to skip total gram estimate.
Skeins to buy
6
Yards with wastage
1,320 yd
Wastage yards added
120 yd
Approx. total weight
600 g
Planning notes:
Input
Required yards
Division
ceil(yards ÷ per skein)
Safety margin
required × (1 + waste%)
1,200 yd pattern, 220 yd/skein, 10% wastage, 100 g/skein — about:
6 skeins
(1,320 yd with wastage, ~600 g)
The calculator multiplies your pattern yardage by your wastage percentage to get extra yards, adds that to the base requirement, then divides by yards per skein from the ball band. The result is rounded up to the next whole skein. If you provide grams per skein, it multiplies skeins by that label weight for a rough total gram estimate.
effectiveYards = requiredYards × (1 + wastagePercent / 100)skeinsNeeded = ceil(effectiveYards / yardsPerSkein)600 g
Weight is skeins × label grams; verify each colorway if you mix dyes.
Share it with knitters planning sweater quantities and stash buys.
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