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Yarn by Weight

Shop Yarn by Weight: Find the Perfect Thickness for Any Project

Achieving the correct gauge starts with choosing the right yarn by weight. Whether you are following a pattern that calls for delicate lace or a trendy, oversized chunky knit, our collection makes it simple to filter over 1,000 options to find exactly what you need. From "Category 0" threads to "Category 7" jumbo roving, we carry all types of yarn weight to ensure your finished project has the perfect drape, warmth, and stitch definition. Use our weight filters below to explore your favorite fibers in the specific thickness your pattern requires.

Lace: > 8 sts or > 8 sc  = 1" | Fingering: 7–8 sts or 5.25–8 sc = 1" | Sport: 6–6.75 sts or 4–5 sc = 1" | DK: 5.25–6 sts or 3–4.25 sc = 1" | Worsted: 4–5 sts or 2.75–3.5 sc = 1" | Heavy Worsted/Aran: 4 sts or 2.75–3.5 sc = 1" | Bulky: 3–3.75 sts or 2–2.75 sc = 1" | Super Bulky: < 2.75 sts or 1.75–2.25 sc = 1"

Please note that Novelty yarns vary, so be sure to check the yarn specifications for your project. 

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Malabrigo Rios Rosalinda's Friends Yarn - Merino Worsted 9 options
Malabrigo Rios Rosalinda's Friends Yarn - Merino Worsted

100% Merino Wool, 210yds (192m)/100g (3.53oz), Worsted

$18.00
SALE Tahki Yarns Donegal Tweed Fine 5 Ball Value Pack Yarn - Wool 4 Ply 22 options
Tahki Yarns Donegal Tweed Fine 5 Ball Value Pack Yarn - Wool 4 Ply

70% Wool 30% Mohair, 1088yds (995m)/250g (8.82oz), Fingering

$27.59
$42.45
SALE Paintbox Yarns Cotton Aran 5 Ball Value Pack Yarn - Cotton Aran 79 options
Paintbox Yarns Cotton Aran 5 Ball Value Pack Yarn - Cotton Aran

100% Cotton, 93yds (85m)/250g (8.82oz), Aran

$15.44
$23.75
Berroco Gianna Yarn - Merino Wool Worsted 6 options
Berroco Gianna Yarn - Merino Wool Worsted

46% Merino Wool 26% Cotton 14% Baby Alpaca 14% Silk, 296yds (271m)/100g (3.53oz), Worsted

$28.00
Stylecraft Special for Babies DK Yarn 11 options
Stylecraft Special for Babies DK Yarn

100% Acrylic, 301yds (275m)/100g (3.53oz), DK | Light Worsted

$4.79
Valley Yarns Haydenville 5 Ball Value Pack Yarn - Superwash Merino Worsted 28 options
Valley Yarns Haydenville 5 Ball Value Pack Yarn - Superwash Merino Worsted

60% Merino Wool 40% Acrylic, 1100yds (1006m)/500g (17.64oz), Worsted

$54.95
Lion Brand Mandala Gradient Yarn - Acrylic Worsted 12 options
Lion Brand Mandala Gradient Yarn - Acrylic Worsted

90% Acrylic 10% Nylon, 295yds (270m)/150g (5.29oz), Worsted

$9.99
Berroco Remix Wool DK Yarn - Wool DK 20 options
Berroco Remix Wool DK Yarn - Wool DK

38% Wool 28% Polyamide 22% Cotton 7% Acrylic 5% Other, 327yds (299m)/100g (3.53oz), DK | Light Worsted

$14.50
Stylecraft Grace Aran Yarn - Acrylic Aran 18 options
Stylecraft Grace Aran Yarn - Acrylic Aran

85% Acrylic 10% Mohair 5% Wool, 323yds (295m)/100g (3.53oz), Aran

$9.59
West Yorkshire Spinners ColourLab Sock DK Yarn - Wool 373 6 options
West Yorkshire Spinners ColourLab Sock DK Yarn - Wool 373

100% Wool, 369yds (337m)/150g (5.29oz), DK | Light Worsted

$21.50
SALE King Cole Giza Cotton 4Ply Yarn 38 options
King Cole Giza Cotton 4Ply Yarn

100% Cotton, 175yds (160m)/50g (1.76oz), Fingering

$4.25
$5.67
King Cole Warm and Toastie Yarn - Polyester novelty 27 options
King Cole Warm and Toastie Yarn - Polyester novelty

100% Polyester, 109yds (100m)/200g (7.06oz), Novelty

$10.64
Stylecraft Special for Babies Chunky Yarn - Acrylic Chunky 5 options
Stylecraft Special for Babies Chunky Yarn - Acrylic Chunky

100% Acrylic, 149yds (136m)/100g (3.53oz), Bulky

$4.79
Sirdar Loveful Recycled Acrylic Yarn - Acrylic DK 14 options
Sirdar Loveful Recycled Acrylic Yarn - Acrylic DK

100% Acrylic, 344yds (315m)/100g (3.53oz), DK | Light Worsted

$5.75
Stylecraft Merry Go Round XL Yarn - Acrylic Super Chunky 13 options
Stylecraft Merry Go Round XL Yarn - Acrylic Super Chunky

100% Acrylic, 74yds (68m)/100g (3.53oz), Super Bulky

$7.69
Stylecraft Fusion Chunky Yarn - Acrylic Chunky 12 options
Stylecraft Fusion Chunky Yarn - Acrylic Chunky

100% Acrylic, 219yds (200m)/100g (3.53oz), Bulky

$5.39
West Yorkshire Spinners The Croft DK Yarn - Wool DK 22 options
West Yorkshire Spinners The Croft DK Yarn - Wool DK

100% Wool, 246yds (225m)/100g (3.53oz), DK | Light Worsted

$19.50
Stylecraft Wondersoft Merry Go Round Yarn - Acrylic DK 24 options
Stylecraft Wondersoft Merry Go Round Yarn - Acrylic DK

100% Acrylic, 322yds (294m)/100g (3.53oz), DK | Light Worsted

$8.39
Lion Brand Re-Spun Thick & Quick Yarn - Polyester Super Chunky 19 options
Lion Brand Re-Spun Thick & Quick Yarn - Polyester Super Chunky

100% Polyester, 223yds (204m)/340g (11.99oz), Super Bulky

$11.29
Stylecraft Impressions Yarn - Acrylic Aran 12 options
Stylecraft Impressions Yarn - Acrylic Aran

100% Acrylic, 241yds (220m)/100g (3.53oz), Aran

$8.39
King Cole Comfort Baby DK Yarn - Acrylic DK 51 options
King Cole Comfort Baby DK Yarn - Acrylic DK

60% Acrylic 40% Nylon, 339yds (310m)/100g (3.53oz), DK | Light Worsted

$7.98
King Cole Harvest DK Yarn - Acrylic DK 13 options
King Cole Harvest DK Yarn - Acrylic DK

90% Acrylic 10% Alpaca, 585yds (535m)/150g (5.29oz), DK | Light Worsted

$14.51
King Cole Cherished DK Yarn - Acrylic DK 48 options
King Cole Cherished DK Yarn - Acrylic DK

100% Acrylic, 273yds (250m)/100g (3.53oz), DK | Light Worsted

$7.17
Paintbox Yarns Simply Super Chunky 5 Ball Color Pack Yarn - Acrylic Super Chunky 5 options
Paintbox Yarns Simply Super Chunky 5 Ball Color Pack Yarn - Acrylic Super Chunky

100% Acrylic, 328yds (300m)/500g (17.64oz), Super Bulky

$25.00
King Cole Big Value DK 50g Yarn - Acrylic DK 50 options
King Cole Big Value DK 50g Yarn - Acrylic DK

100% Acrylic, 159yds (145m)/50g (1.76oz), DK | Light Worsted

$2.58
Lion Brand Jeans Yarn - Acrylic Worsted 12 options
Lion Brand Jeans Yarn - Acrylic Worsted

100% Acrylic, 246yds (225m)/100g (3.53oz), Worsted

$6.99
Stylecraft ReLove Yarn - Acrylic Aran 8 options
Stylecraft ReLove Yarn - Acrylic Aran

80% Acrylic 20% Wool, 241yds (220m)/100g (3.53oz), Aran

$5.99
King Cole Fashion Aran 400g Yarn - Acrylic Aran 15 options
King Cole Fashion Aran 400g Yarn - Acrylic Aran

70% Acrylic 30% Wool, 793yds (725m)/400g (14.11oz), Aran

$15.99
Plymouth Yarn Plymouth Bay Yarn - Acrylic Super Chunky 7 options
Plymouth Yarn Plymouth Bay Yarn - Acrylic Super Chunky

80% Acrylic 20% Wool, 76yds (69m)/200g (7.06oz), Super Bulky

$15.99
Paintbox Yarns Simply Aran 5 Ball Value Pack Yarn - Acrylic Aran 82 options
Paintbox Yarns Simply Aran 5 Ball Value Pack Yarn - Acrylic Aran

100% Acrylic, 201yds (184m)/500g (17.64oz), Aran

$22.50
West Yorkshire Spinners Morris DK Yarn - Wool DK 20 options
West Yorkshire Spinners Morris DK Yarn - Wool DK

100% Wool, 122yds (112m)/50g (1.76oz), DK | Light Worsted

$13.50
Stylecraft Soft Baby Easy Stripes Yarn - Acrylic DK 8 options
Stylecraft Soft Baby Easy Stripes Yarn - Acrylic DK

50% Acrylic 50% Polyamide, 322yds (294m)/100g (3.53oz), DK | Light Worsted

$6.49
King Cole Tinsel Chunky Yarn - Polyester Chunky 45 options
King Cole Tinsel Chunky Yarn - Polyester Chunky

75% Polyester 25% Metallic, 77yds (70m)/50g (1.76oz), Bulky

$5.66
Paintbox Yarns Wool Mix Aran 5 Ball Color Pack Yarn - Wool Aran 7 options
Paintbox Yarns Wool Mix Aran 5 Ball Color Pack Yarn - Wool Aran

50% Wool 50% Acrylic, 984yds (900m)/500g (17.64oz), Aran

$47.50
Stylecraft Easy Fair Isle Effect Aran Yarn - Acrylic Aran 6 options
Stylecraft Easy Fair Isle Effect Aran Yarn - Acrylic Aran

100% Acrylic, 262yds (240m)/100g (3.53oz), Aran

$8.39
Stylecraft Special Aran with Wool Nepp Yarn - Acrylic Aran 10 options
Stylecraft Special Aran with Wool Nepp Yarn - Acrylic Aran

80% Acrylic 20% Wool, 892yds (816m)/400g (14.11oz), Aran

$19.19
Stylecraft Wonderland Chunky Yarn - Acrylic Chunky 4 options
Stylecraft Wonderland Chunky Yarn - Acrylic Chunky

99% Acrylic 1% Polyester, 208yds (190m)/100g (3.53oz), Bulky

$9.39
Rowan Baby Cashsoft Worsted Yarn - Merino Wool Worsted 12 options
Rowan Baby Cashsoft Worsted Yarn - Merino Wool Worsted

57% Merino Wool 33% Acrylic 10% Cashmere, 82yds (75m)/50g (1.76oz), Worsted

$13.00
Paintbox Yarns Anti-Pilling DK Yarn - Acrylic DK 25 options
Paintbox Yarns Anti-Pilling DK Yarn - Acrylic DK

100% Acrylic, 273yds (250m)/100g (3.53oz), DK | Light Worsted

$4.50
Valley Yarns Superwash 5 Ball Value Pack Yarn - Superwash Merino Worsted 32 options
Valley Yarns Superwash 5 Ball Value Pack Yarn - Superwash Merino Worsted

100% Merino Wool, 485yds (443m)/250g (8.82oz), Worsted

$42.45
Malabrigo Caracol On Black Yarn - Merino Super Chunky 7 options
Malabrigo Caracol On Black Yarn - Merino Super Chunky

100% Merino Wool, 90yds (82m)/150g (5.29oz), Super Bulky

$25.75
King Cole Luxury Merino DK Yarn - Merino Wool DK 34 options
King Cole Luxury Merino DK Yarn - Merino Wool DK

100% Merino Wool, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$10.47
Paintbox Yarns Simply DK 10 Ball Color Pack Yarn 28 options
Paintbox Yarns Simply DK 10 Ball Color Pack Yarn

100% Acrylic, 302yds (276m)/1000g (35.27oz), DK | Light Worsted

$42.50
Plymouth Yarn Sonnet Yarn - Merino Wool Sport 4 options
Plymouth Yarn Sonnet Yarn - Merino Wool Sport

60% Merino Wool 20% Silk 20% Bamboo, 382yds (349m)/100g (3.53oz), Sport

$23.99
SALE Paintbox Yarns Cotton 4 ply 10 Ball Value Pack Yarn - Cotton 4 Ply 25 options
Paintbox Yarns Cotton 4 ply 10 Ball Value Pack Yarn - Cotton 4 Ply

100% Cotton, 1859yds (1700m)/500g (17.64oz), Fingering

$31.53
$48.50
West Yorkshire Spinners Re:Treat Super Chunky Yarn - Wool Super Chunky 14 options
West Yorkshire Spinners Re:Treat Super Chunky Yarn - Wool Super Chunky

100% Wool, 131yds (120m)/200g (7.06oz), Super Bulky

$27.50
Rowan Heirloom Sampler - A Blanket Knit Along by Martin Storey Yarn - Wool DK
Rowan Heirloom Sampler - A Blanket Knit Along by Martin Storey Yarn - Wool DK

50% Wool 25% Alpaca 25% Viscose, 2679yds (2450m)/700g (24.69oz), DK | Light Worsted

$207.90
Stylecraft Bella Bella Yarn - Acrylic Chunky 6 options
Stylecraft Bella Bella Yarn - Acrylic Chunky

100% Acrylic, 159yds (145m)/100g (3.53oz), Bulky

$8.59
Stylecraft Baby Sparkle DK Yarn - Acrylic DK 8 options
Stylecraft Baby Sparkle DK Yarn - Acrylic DK

98% Acrylic 2% Synthetic, 243yds (222m)/100g (3.53oz), DK | Light Worsted

$6.09
Valley Yarns Huntington 5 Ball Value Pack Yarn - Superwash Merino 4 Ply 31 options
Valley Yarns Huntington 5 Ball Value Pack Yarn - Superwash Merino 4 Ply

75% Merino Wool 25% Nylon, 1090yds (997m)/250g (8.82oz), Fingering

$37.45
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Understanding Different Types of Yarn Weight

In the world of fiber arts, "weight" refers to the thickness of the yarn strand rather than the physical heaviness of the ball. Standardized yarn weights help crafters substitute fibers while maintaining the same scale. If your pattern calls for a specific weight and you aren’t sure where to start, here is a quick guide to the most common categories:

  • Lace & Fingering (Weights 0-1): These ultra-fine yarns are the best yarn for socks, lightweight shawls, and intricate lace edgings.
  • Sport & DK (Weights 2-3): Often called "lightweight" yarns, these are versatile favorites for baby clothes, spring cardigans, and stranded colorwork.
  • Worsted & Aran (Weight 4): This is the most popular yarn weight, prized for its balance of speed and stitch definition—ideal for sweaters, blankets, and hats.
  • Bulky & Super Bulky (Weights 5-6): Perfect for quick-knit gifts, these thick fibers create warm, cozy textures that work up in a flash on large needles or hooks.

Why Does Yarn Weight Matter?

Selecting the correct weight isn't just about the look; it’s about achieving gauge. If the yarn is too thin, your sweater will be too small; if it’s too thick, your project will be stiff and oversized. By matching your yarn weight to the designer's recommendation, you ensure the drape, durability, and size are exactly where they need to be.

Expert Tip: Always check your ball band! Most manufacturers list the Craft Yarn Council (CYC) number (0–7) right on the label to help you identify the weight at a glance.

How to Verify Your Yarn Weight: WPI and Gauge

If you have a mystery skein in your stash, you can determine its weight by measuring Wraps Per Inch (WPI). By wrapping the yarn snugly around a ruler, you can count how many times it fits into an inch to identify its category. We’ve also included the typical knitting gauge below to help you cross-reference your results and ensure your chosen pattern will have the perfect drape and fit.

Lace Weight: 18+ WPI, 32–40+ sts / 4"

Fingering Weight: 14–18 WPI, 27–32 sts / 4"

Sport Weight: 12–14 WPI, 23–26 sts / 4"

DK Weight: 11–13 WPI, 21–24 sts / 4"

Worsted Weight: 9–11 WPI, 16–20 sts / 4"

Heavy Worsted / Aran: 8–9 WPI, 16–18 sts / 4"

Bulky Weight: 6–8 WPI, 12–15 sts / 4"

Super Bulky: 5–6 WPI, 6–11 sts / 4"

Why Buy Yarn by Weight at WEBS?

When you shop for yarn by weight at WEBS, you aren't just getting variety—you're getting expertise. We categorize our yarns according to the Craft Yarn Council standards to take the guesswork out of your shopping experience. This ensures you can easily find the perfect match for your project, whether you're searching for a delicate lace or a cozy super bulky, with the confidence that every skein will meet your specific gauge and texture needs.

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