How Much Yarn Do I Need? The Crochet Yardage Calculator Guide

Running out of yarn with 10 rows to go — on a discontinued colourway — is one of the most frustrating experiences in crochet. The solution is simple: calculate your yardage before you start. Here's how.

Why Yardage Estimates on Patterns Are Often Wrong

Pattern yardage estimates assume a specific gauge, hook size, and tension — all of which vary between makers. A tight crocheter uses more yarn than a loose crocheter for the same pattern. If you work looser than the pattern's gauge, you'll use less yarn; if tighter, more.

Always buy 10–15% more yarn than the pattern suggests, especially for hand-dyed or discontinued yarns where dye lots vary.

Yardage by Project Type

Baby blanket (30" × 30")

• Worsted weight, single crochet: ~800–1000 yards
• DK weight, granny squares: ~600–750 yards
• Bulky weight, simple stitch: ~400–500 yards

Adult throw blanket (50" × 60")

• Worsted weight, single crochet: ~2800–3500 yards
• Worsted weight, granny squares: ~2000–2500 yards
• Bulky weight: ~1200–1600 yards

Adult beanie hat

• Worsted weight: ~100–150 yards
• Bulky weight: ~80–100 yards

Adult sweater (sizes S–M)

• DK weight: ~1400–1800 yards
• Worsted weight: ~1000–1400 yards

Amigurumi (hand-sized character)

• Worsted weight: ~60–120 yards per colour

How to Calculate Yardage Yourself

1. Crochet a test swatch — 10 × 10cm using your yarn and hook
2. Measure the yarn used — unravel the swatch and measure it in yards
3. Calculate stitches per project — total stitch count based on your pattern dimensions and gauge
4. Multiply: (total stitches ÷ swatch stitches) × swatch yardage = project yardage

This is more accurate than any chart because it accounts for your tension and hook size.

Try the free yardage calculator → — Try YarnCro free

Using YarnCro's Yardage Calculator

YarnCro's calculator handles blankets, garments, hats, bags, and amigurumi. Input your stitch, gauge, and dimensions — it estimates yardage based on consumption data from thousands of real patterns. It also shows how many skeins to buy based on the skein size you enter.

Tips to Avoid Running Out of Yarn

• Buy the same dye lot for the whole project — photograph the dye lot code before you leave the shop
• Add 15% to your estimate as a safety margin
• For striped projects, buy all colours at once — finding the same dye lot later is difficult
• If you're close to the end of a skein mid-row, finish the row with the old skein before switching. Don't join mid-row.
• Keep leftover skeins — they're useful for future projects and colour matching