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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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SALE Plymouth Yarn Encore Mega Colorspun Yarn - Acrylic Super Chunky 19 options
Plymouth Yarn Encore Mega Colorspun Yarn - Acrylic Super Chunky

80% Acrylic 20% Wool, 64yds (59m)/100g (3.53oz), Super Bulky

$6.39
$7.99
Plymouth Yarn Gold Rush Yarn - Rayon novelty,Sport 6 options
Plymouth Yarn Gold Rush Yarn - Rayon novelty,Sport

80% Rayon 20% Polyester, 109yds (100m)/25g (0.88oz), Novelty, Sport

$9.99
Valley Yarns Sunderland Yarn - Baby Alpaca DK 23 options
Valley Yarns Sunderland Yarn - Baby Alpaca DK

100% Baby Alpaca, 109yds (100m)/50g (1.76oz), DK | Light Worsted

$11.49
SALE Valley Yarns Brodie Yarn - Cashmere Worsted 18 options
Valley Yarns Brodie Yarn - Cashmere Worsted

95% Cashmere 5% Merino Wool, 154yds (141m)/50g (1.76oz), Worsted

$22.39
$27.99
SALE Debbie Bliss Cashmerino Chunky Yarn - Wool Chunky 23 options
Debbie Bliss Cashmerino Chunky Yarn - Wool Chunky

55% Wool 33% Acrylic 12% Cashmere, 71yds (65m)/50g (1.76oz), Bulky

$8.25
$11.00
Sirdar Stories Yarn - Cotton DK 50 options
Sirdar Stories Yarn - Cotton DK

60% Cotton 40% Acrylic, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$6.00
Berroco Comfort Chunky Yarn - Nylon Chunky 50 options
Berroco Comfort Chunky Yarn - Nylon Chunky

50% Nylon 50% Acrylic, 151yds (138m)/100g (3.53oz), Bulky

$8.25
SALE Knitting Fever Furreal Yarn - Polyester Super Chunky 26 options
Knitting Fever Furreal Yarn - Polyester Super Chunky

100% Polyester, 71yds (65m)/99g (3.5oz), Super Bulky

$9.60
$12.00
Paintbox Yarns 100% Wool Worsted Superwash Yarn - Superwash Wool Worsted 48 options
Paintbox Yarns 100% Wool Worsted Superwash Yarn - Superwash Wool Worsted

100% Wool, 219yds (200m)/100g (3.53oz), Worsted

$12.00
SALE Universal Yarn Colorburst Yarn - Superwash Merino DK 16 options
Universal Yarn Colorburst Yarn - Superwash Merino DK

65% Merino Wool 35% Acrylic, 660yds (604m)/200g (7.06oz), DK | Light Worsted

$16.80
$21.00
Sirdar Alpine Yarn - Polyester Super Chunky 15 options
Sirdar Alpine Yarn - Polyester Super Chunky

100% Polyester, 36yds (33m)/50g (1.76oz), Super Bulky

$10.30
Universal Yarn Uni Merino Mini Yarn - Merino Wool 4 Ply 50 options
Universal Yarn Uni Merino Mini Yarn - Merino Wool 4 Ply

75% Merino Wool 25% Nylon, 109yds (100m)/25g (0.88oz), Fingering

$5.49
SALE Berroco Sesame Yarn - Wool Worsted 23 options
Berroco Sesame Yarn - Wool Worsted

43% Wool 39% Acrylic 9% Cotton 9% Nylon, 230yds (210m)/100g (3.53oz), Worsted

$9.50 - $19.00
$19.00
Berroco Lanas Light Yarn - Wool Sport 39 options
Berroco Lanas Light Yarn - Wool Sport

100% Wool, 383yds (350m)/100g (3.53oz), Sport

$12.00
SALE Sesia Bluebell Yarn - Mohair with Silk and Sequins Novelty 17 options
Sesia Bluebell Yarn - Mohair with Silk and Sequins Novelty

42% Mohair 40% Polyester 18% Silk, 136yds (124m)/25g (0.88oz), Novelty

$13.83
$19.75
SALE MillaMia Naturally Soft Cotton Yarn - Cotton Sport 23 options
MillaMia Naturally Soft Cotton Yarn - Cotton Sport

100% Cotton, 180yds (165m)/50g (1.76oz), Sport

$4.03
$5.75
SALE Cascade Yarns Magnum Yarn - Wool Super Chunky 65 options
Cascade Yarns Magnum Yarn - Wool Super Chunky

100% Wool, 124yds (113m)/250g (8.82oz), Super Bulky

$22.00
$27.50
Cascade Yarns Pacific Bulky Yarn - Acrylic Super Chunky 26 options
Cascade Yarns Pacific Bulky Yarn - Acrylic Super Chunky

60% Acrylic 40% Merino Wool, 129yds (118m)/200g (7.06oz), Super Bulky

$17.00
SALE Blue Sky Fibers Woolstok Light Yarn - Wool 4 Ply 25 options
Blue Sky Fibers Woolstok Light Yarn - Wool 4 Ply

100% Wool, 218yds (199m)/50g (1.76oz), Fingering

$8.40
$10.50
SALE Valley Yarns Easthampton Yarn - Superwash Merino Sport 9 options
Valley Yarns Easthampton Yarn - Superwash Merino Sport

75% Merino Wool 25% Nylon, 439yds (401m)/100g (3.53oz), Sport

$13.99
$17.49
SALE Sirdar Cashmere Merino Silk DK Yarn - Merino Wool DK 24 options
Sirdar Cashmere Merino Silk DK Yarn - Merino Wool DK

75% Merino Wool 20% Silk 5% Cashmere, 127yds (116m)/50g (1.76oz), DK | Light Worsted

$10.48
$13.10
Cascade Yarns Nifty Cotton Splash Yarn - Cotton Worsted 26 options
Cascade Yarns Nifty Cotton Splash Yarn - Cotton Worsted

100% Cotton, 185yds (169m)/100g (3.53oz), Worsted

$8.50
SALE Rowan Alpaca Soft DK Yarn - Wool DK 30 options
Rowan Alpaca Soft DK Yarn - Wool DK

70% Virgin Wool 30% Alpaca, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$13.00
$16.25
SALE Rowan Baby Cashsoft Merino Yarn - Wool Sport 26 options
Rowan Baby Cashsoft Merino Yarn - Wool Sport

57% Wool 33% Acrylic 10% Cashmere, 142yds (130m)/50g (1.76oz), Sport

$10.08
$12.60
SALE Berroco Mercado Yarn - Wool Aran 26 options
Berroco Mercado Yarn - Wool Aran

100% Wool, 164yds (150m)/100g (3.53oz), Aran

$8.63 - $11.50
$11.50
SALE Hayfield Bonus DK Yarn - Acrylic DK 146 options
Hayfield Bonus DK Yarn - Acrylic DK

100% Acrylic, 306yds (280m)/100g (3.53oz), DK | Light Worsted

$4.48
$5.60
SALE Rowan Pure Wool Superwash Worsted Yarn 84 options
Rowan Pure Wool Superwash Worsted Yarn

100% Wool, 219yds (200m)/100g (3.53oz), Worsted

$13.44
$16.80
Plymouth Yarn Homestead Yarn - Wool Aran 25 options
Plymouth Yarn Homestead Yarn - Wool Aran

100% Wool, 191yds (175m)/100g (3.53oz), Aran

$12.99
SALE Valley Yarns Huntington Splash Yarn - Merino Wool 4 Ply 10 options
Valley Yarns Huntington Splash Yarn - Merino Wool 4 Ply

75% Merino Wool 25% Nylon, 436yds (399m)/100g (3.53oz), Fingering

$18.39
$22.99
SALE Debbie Bliss Eco Baby Yarn - Cotton Sport 47 options
Debbie Bliss Eco Baby Yarn - Cotton Sport

100% Cotton, 137yds (125m)/50g (1.76oz), Sport

$6.75
$9.00
Blue Sky Fibers Woolstok Tweed Aran Yarn - Wool Worsted 14 options
Blue Sky Fibers Woolstok Tweed Aran Yarn - Wool Worsted

85% Wool 15% Wool, 109yds (100m)/100g (3.53oz), Worsted

$20.50
SALE Paintbox Yarns Cotton 4 ply Yarn - Cotton 4 Ply 31 options
Paintbox Yarns Cotton 4 ply Yarn - Cotton 4 Ply

100% Cotton, 186yds (170m)/50g (1.76oz), Fingering

$3.40
$4.85
SALE Plymouth Yarn Pima Rino Yarn - Cotton Worsted 26 options
Plymouth Yarn Pima Rino Yarn - Cotton Worsted

70% Cotton 30% Merino Wool, 109yds (100m)/50g (1.76oz), Worsted

$6.39
$7.99
Universal Yarn Bamboo Pop Sock Solids Yarn - Bamboo 3 Ply 20 options
Universal Yarn Bamboo Pop Sock Solids Yarn - Bamboo 3 Ply

55% Bamboo 37% Cotton 8% Polyester, 492yds (450m)/100g (3.53oz), Light Fingering

$12.00
Blue Sky Fibers Woolstok 150 Yarn - Wool Worsted 11 options
Blue Sky Fibers Woolstok 150 Yarn - Wool Worsted

100% Wool, 370yds (338m)/150g (5.29oz), Worsted

$28.00
Rowan Brushed Fleece Yarn - Wool Chunky 30 options
Rowan Brushed Fleece Yarn - Wool Chunky

65% Wool 30% Alpaca 5% Polyamide, 115yds (105m)/50g (1.76oz), Bulky

$16.25
Sesia Bio Bimbo Yarn - Cotton 4 Ply 19 options
Sesia Bio Bimbo Yarn - Cotton 4 Ply

100% Cotton, 196yds (179m)/50g (1.76oz), Fingering

$10.99
SALE Juniper Moon Farm Cumulus Yarn - Cotton Worsted 51 options
Juniper Moon Farm Cumulus Yarn - Cotton Worsted

94% Cotton 6% Nylon, 250yds (229m)/100g (3.53oz), Worsted

$19.16
$23.95
SALE Debbie Bliss Cotton DK Yarn - Cotton DK 46 options
Debbie Bliss Cotton DK Yarn - Cotton DK

100% Cotton, 92yds (84m)/50g (1.76oz), DK | Light Worsted

$4.55
$6.50
MillaMia Naturally Soft Merino Yarn - Merino Wool Sport 41 options
MillaMia Naturally Soft Merino Yarn - Merino Wool Sport

100% Merino Wool, 137yds (125m)/50g (1.76oz), Sport

$11.00
Wonderland Yarns Cheshire Cat 5-Skein Pack Yarn - Superwash Merino 4 Ply 21 options
Wonderland Yarns Cheshire Cat 5-Skein Pack Yarn - Superwash Merino 4 Ply

100% Merino Wool, 640yds (585m)/141g (4.97oz), Fingering

$41.00 - $45.00
SALE Rowan Kid Classic Yarn - Wool Aran 55 options
Rowan Kid Classic Yarn - Wool Aran

70% Wool 22% Mohair 8% Polyamide, 153yds (140m)/50g (1.76oz), Aran

$12.20
$15.25
Cascade Yarns Heritage 6 Yarn - Merino Wool Sport 52 options
Cascade Yarns Heritage 6 Yarn - Merino Wool Sport

75% Merino Wool 25% Nylon, 292yds (267m)/100g (3.53oz), Sport

$12.00
SALE Koigu KPM Yarn - Merino Wool 4 Ply 18 options
Koigu KPM Yarn - Merino Wool 4 Ply

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

$12.00
$15.00
SALE Blue Sky Fibers Metalico Yarn - Alpaca Sport 14 options
Blue Sky Fibers Metalico Yarn - Alpaca Sport

50% Alpaca 50% Silk, 148yds (135m)/50g (1.76oz), Sport

$16.40
$20.50
SALE Elsebeth Lavold Silky Wool Yarn - Wool DK 79 options
Elsebeth Lavold Silky Wool Yarn - Wool DK

45% Wool 35% Silk 20% Nylon, 192yds (176m)/50g (1.76oz), DK | Light Worsted

$9.56
$11.95
SALE Noro Ito Yarn - Wool Worsted 54 options
Noro Ito Yarn - Wool Worsted

100% Wool, 437yds (400m)/200g (7.06oz), Worsted

$42.00
$52.50
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted 11 options
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted

100% Wool, 252yds (230m)/5g (0.18oz), Worsted

$36.00
SALE Berroco Summer Sesame Yarn - Cotton DK 22 options
Berroco Summer Sesame Yarn - Cotton DK

47% Cotton 44% Acrylic 9% Nylon, 295yds (270m)/100g (3.53oz), DK | Light Worsted

$8.50 - $17.00
$17.00
SALE Universal Yarn Bamboo Bloom Handpaints Yarn - Rayon Chunky 32 options
Universal Yarn Bamboo Bloom Handpaints Yarn - Rayon Chunky

48% Rayon 44% Wool 8% Acrylic, 153yds (140m)/100g (3.53oz), Bulky

$10.80
$13.50
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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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