Yarn Calculator
Calculate how much yarn you need for knitting or crochet projects based on project type and size.
Plan your yarn purchases.
Yarn Needed
Yarn requirements depend on the project type, size, stitch pattern, and yarn weight. This calculator uses industry averages for common projects.
Total Yards = Base Yardage for Project × Size Multiplier
Skeins Needed = Total Yards / Yards per Skein
Average yardage by project type:
- Scarf: 200–400 yards
- Hat (adult): 150–250 yards
- Mittens/Gloves: 200–350 yards
- Baby blanket: 800–1,200 yards
- Throw blanket: 1,500–2,500 yards
- Adult sweater: 1,200–2,500 yards
- Socks (pair): 350–500 yards
- Shawl: 400–1,000 yards
Yarn weight and typical skein yardage:
- Lace (0): ~400 yards/50g
- Fingering (1): ~400 yards/100g
- Sport (2): ~250 yards/100g
- DK (3): ~230 yards/100g
- Worsted (4): ~200 yards/100g
- Bulky (5): ~130 yards/100g
- Super Bulky (6): ~90 yards/100g
Tip: Always buy 10-15% extra yarn to account for gauge swatching and pattern variations.