Calculate fabric yardage by garment type and size, with adjustments for 45" vs 60" wide fabric, with/without nap, and repeat-pattern allowance.
| Width | Without nap | With nap |
|---|
Yardage is sourced from standard commercial pattern envelope tables. Narrow fabric (45") needs 30–50% more than wide (60"). "With nap" adds 10–20% because every pattern piece must lie in the same direction.
Quilt math: top yardage = (quilt L × quilt W) ÷ (fabric width × 36) + 10% waste. Backing needs the same plus 8" overhang on each side. Always buy ¼ yd / 25 cm extra for shrinkage and straightening cuts.
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Convert crochet hook sizes between US letter, UK number, metric mm and Japanese systems.
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Calculate real-world size from a digital design and sticker cost per unit for Etsy and Cricut sellers.
