Complete Yarn Weight Guide

Master yarn categories, understand gauge relationships, and choose the perfect yarn for every knitting project.

0 - Lace

Lace

GAUGE (4 inches)

33-40 sts

NEEDLE SIZES

US 000-1 (1.5-2.25mm)

TYPICAL YARDAGE

400-800 yds per 50g

BEST FOR

Lace shawls, doilies, fine baby items

1 - Super Fine

Fingering/Sock

GAUGE (4 inches)

27-32 sts

NEEDLE SIZES

US 1-3 (2.25-3.25mm)

TYPICAL YARDAGE

350-450 yds per 50g

BEST FOR

Socks, baby items, lightweight sweaters

2 - Fine

Sport

GAUGE (4 inches)

23-26 sts

NEEDLE SIZES

US 3-6 (3.25-4mm)

TYPICAL YARDAGE

250-350 yds per 50g

BEST FOR

Baby clothes, lightweight sweaters, blankets

3 - Light

DK (Double Knitting)

GAUGE (4 inches)

21-24 sts

NEEDLE SIZES

US 6 (4-4.5mm)

TYPICAL YARDAGE

200-250 yds per 50g

BEST FOR

Sweaters, cardigans, blankets, hats

4 - Medium

Worsted/Aran

GAUGE (4 inches)

16-20 sts

NEEDLE SIZES

US 7-9 (4.5-5.5mm)

TYPICAL YARDAGE

150-200 yds per 50g

BEST FOR

Sweaters, afghans, mittens, hats

5 - Bulky

Chunky

GAUGE (4 inches)

12-15 sts

NEEDLE SIZES

US 10-13 (6-9mm)

TYPICAL YARDAGE

100-150 yds per 50g

BEST FOR

Quick sweaters, blankets, hats, scarves

6 - Super Bulky

Super Chunky

GAUGE (4 inches)

7-11 sts

NEEDLE SIZES

US 15-17 (10-12.75mm)

TYPICAL YARDAGE

50-100 yds per 50g

BEST FOR

Quick accessories, rugs, wall hangings

7 - Jumbo

Jumbo

GAUGE (4 inches)

6 sts or fewer

NEEDLE SIZES

US 17+ (12.75mm+)

TYPICAL YARDAGE

25-50 yds per 50g

BEST FOR

Arm knitting, quick blankets, rugs

Yarn Substitution Guidelines

When Substituting Yarn:

  • • Match the yarn weight category first
  • • Check the recommended gauge range
  • • Consider fiber content and care instructions
  • • Calculate total yardage needed, not just skeins
  • • Always knit a gauge swatch with new yarn

Need help calculating yarn amounts? Our professional yarn calculator accounts for different yarn weights and project requirements.

Choosing Needle Sizes

Needle Selection Tips:

  • • Start with yarn label recommendations
  • • Adjust based on your knitting tension
  • • Use smaller needles for tighter fabric
  • • Use larger needles for drapier fabric
  • • Consider needle material (metal, wood, bamboo)

Confused about needle sizes? Check our needle size conversion tool to convert between US, UK, and metric measurements.

Project Planning by Yarn Weight

Quick Projects (Lace - Sport)

  • • Delicate shawls and wraps
  • • Fine baby garments
  • • Lightweight summer tops
  • • Intricate lace patterns

Versatile Projects (DK - Worsted)

  • • Classic sweaters and cardigans
  • • Cozy blankets and throws
  • • Everyday accessories
  • • Children's clothing

Quick Projects (Bulky+)

  • • Weekend sweater projects
  • • Chunky scarves and cowls
  • • Home decor items
  • • Beginner-friendly projects

Ready to start your project? Use our stitch calculation tools for increases and decreases, or try our pattern resizing calculator to adjust any pattern for your preferred yarn weight.