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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Cascade Yarns Heritage 6 Yarn - Merino Wool Sport 15 options
Cascade Yarns Heritage 6 Yarn - Merino Wool Sport

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

$12.00
Blue Sky Fibers Metalico Yarn - Alpaca Sport 11 options
Blue Sky Fibers Metalico Yarn - Alpaca Sport

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

$21.20
Elsebeth Lavold Silky Wool Yarn - Wool DK 11 options
Elsebeth Lavold Silky Wool Yarn - Wool DK

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

$11.95
SALE Berroco Summer Sesame Yarn - Cotton DK 15 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
Noro Ito Yarn - Wool Worsted 15 options
Noro Ito Yarn - Wool Worsted

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

$52.50
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted 5 options
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted

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

$36.00
Universal Yarn Bamboo Bloom Handpaints Yarn - Rayon Chunky 6 options
Universal Yarn Bamboo Bloom Handpaints Yarn - Rayon Chunky

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

$13.50
Cascade Yarns Cantata Yarn - Cotton Worsted 13 options
Cascade Yarns Cantata Yarn - Cotton Worsted

70% Cotton 30% Merino Wool, 218yds (199m)/100g (3.53oz), Worsted

$10.50
SALE Tahki Yarns Aurora Yarn - Merino Wool Worsted 7 options
Tahki Yarns Aurora Yarn - Merino Wool Worsted

70% Merino Wool 30% Acrylic, 261yds (239m)/100g (3.53oz), Worsted

$12.59
$17.99
Ella Rae Marmel Duo Yarn - Cotton Sport 14 options
Ella Rae Marmel Duo Yarn - Cotton Sport

60% Cotton 40% Acrylic, 284yds (260m)/100g (3.53oz), Sport

$19.00
SALE Rowan Creative Linen Yarn - Linen DK 7 options
Rowan Creative Linen Yarn - Linen DK

50% Linen 50% Cotton, 219yds (200m)/100g (3.53oz), DK | Light Worsted

$14.28
$17.85
Paintbox Yarns Wool Mix Super Chunky Yarn 60 options
Paintbox Yarns Wool Mix Super Chunky Yarn

50% Wool 50% Acrylic, 60yds (55m)/100g (3.53oz), Super Bulky

$9.75
SALE Universal Yarn Deluxe Worsted Tweed Superwash Yarn 8 options
Universal Yarn Deluxe Worsted Tweed Superwash Yarn

90% Wool 7% Acrylic 3% Viscose, 219yds (200m)/100g (3.53oz), Worsted

$10.40
$13.00
SALE Cascade Yarns Cherub Aran Prints Yarn - Nylon Aran 11 options
Cascade Yarns Cherub Aran Prints Yarn - Nylon Aran

55% Nylon 45% Acrylic, 240yds (219m)/100g (3.53oz), Aran

$4.19 - $6.50
$6.50
SALE Sesia Pigalle Yarn - Mohair DK 8 options
Sesia Pigalle Yarn - Mohair DK

71% Mohair 20% Silk 5% Metallic 4% Polyamide, 229yds (209m)/25g (0.88oz), DK | Light Worsted

$12.24
$17.49
Plymouth Yarn Baby Alpaca Worsted Yarn - Baby Alpaca Worsted 17 options
Plymouth Yarn Baby Alpaca Worsted Yarn - Baby Alpaca Worsted

100% Baby Alpaca, 205yds (187m)/100g (3.53oz), Worsted

$25.99
SALE Tahki Yarns Cotton Classic Twist Yarn - Cotton DK 4 options
Tahki Yarns Cotton Classic Twist Yarn - Cotton DK

100% Cotton, 108yds (99m)/50g (1.76oz), DK | Light Worsted

$4.49
$7.49
Malabrigo Mora Yarn - Silk Fingering 20 options
Malabrigo Mora Yarn - Silk Fingering

100% Silk, 225yds (206m)/50g (1.76oz), Fingering

$22.80
Berroco Ultra Alpaca Natural Yarn - Alpaca Worsted 6 options
Berroco Ultra Alpaca Natural Yarn - Alpaca Worsted

50% Alpaca 50% Wool, 215yds (197m)/100g (3.53oz), Worsted

$16.50
SALE Ella Rae Eco Organic Cotton Yarn - Cotton 10254 12 options
Ella Rae Eco Organic Cotton Yarn - Cotton 10254

100% Cotton, 273yds (250m)/100g (3.53oz), Sport

$6.98
$13.95
SALE Paintbox Yarns Wool Mix Aran Yarn - Wool Aran 60 options
Paintbox Yarns Wool Mix Aran Yarn - Wool Aran

50% Wool 50% Acrylic, 197yds (180m)/100g (3.53oz), Aran

$6.34
$9.75
Berroco Remix Chunky Yarn - Nylon Chunky 12 options
Berroco Remix Chunky Yarn - Nylon Chunky

30% Nylon 27% Cotton 24% Acrylic 10% Silk 9% Linen, 139yds (127m)/100g (3.53oz), Bulky

$14.00
SALE Stacy Charles Fine Yarns Gwen Yarn - Wool Worsted 6 options
Stacy Charles Fine Yarns Gwen Yarn - Wool Worsted

95% Wool 5% Polyamide, 88yds (80m)/50g (1.76oz), Worsted

$7.80
$12.00
SALE Rowan Felted Tweed Colour Yarn - Wool DK 7 options
Rowan Felted Tweed Colour Yarn - Wool DK

50% Wool 25% Alpaca 25% Viscose, 191yds (175m)/50g (1.76oz), DK | Light Worsted

$15.12
$18.90
SALE Ella Rae Cashmereno Sport Yarn - Merino Wool Sport 13 options
Ella Rae Cashmereno Sport Yarn - Merino Wool Sport

55% Merino Wool 33% Acrylic 12% Cashmere, 137yds (125m)/50g (1.76oz), Sport

$9.56
$11.95
Sirdar Snuggly Cashmere Merino Silk 4-Ply Yarn - Merino Wool 4 Ply 6 options
Sirdar Snuggly Cashmere Merino Silk 4-Ply Yarn - Merino Wool 4 Ply

75% Merino Wool 20% Silk 5% Cashmere, 186yds (170m)/50g (1.76oz), Fingering

$13.00
Noro Malvinas Yarn - Wool Worsted 18 options
Noro Malvinas Yarn - Wool Worsted

100% Wool, 328yds (300m)/150g (5.29oz), Worsted

$31.50
Blue Sky Fibers Extra Yarn - Alpaca Aran 11 options
Blue Sky Fibers Extra Yarn - Alpaca Aran

55% Alpaca 45% Merino Wool, 218yds (199m)/150g (5.29oz), Aran

$33.20
SALE Paintbox Yarns Socks Yarn - Wool 4 Ply 47 options
Paintbox Yarns Socks Yarn - Wool 4 Ply

75% Wool 25% Polyamide, 427yds (390m)/100g (3.53oz), Fingering

$7.80
$12.00
Sirdar Snuggly Bunny Yarn - Nylon Worsted 5 options
Sirdar Snuggly Bunny Yarn - Nylon Worsted

100% Nylon, 98yds (90m)/50g (1.76oz), Worsted

$6.20
SALE Debbie Bliss Donegal Luxury Tweed Aran Yarn - Wool Aran 43 options
Debbie Bliss Donegal Luxury Tweed Aran Yarn - Wool Aran

100% Wool, 96yds (88m)/50g (1.76oz), Aran

$9.45
$13.50
MillaMia Naturally Soft Super Chunky Yarn - Merino Wool Super Chunky 24 options
MillaMia Naturally Soft Super Chunky Yarn - Merino Wool Super Chunky

100% Merino Wool, 55yds (50m)/100g (3.53oz), Super Bulky

$15.00
Universal Yarn Uptown DK Yarn - Acrylic DK 29 options
Universal Yarn Uptown DK Yarn - Acrylic DK

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

$7.75
Berroco Lanas Quick Yarn - Wool Super Chunky 12 options
Berroco Lanas Quick Yarn - Wool Super Chunky

100% Wool, 109yds (100m)/100g (3.53oz), Super Bulky

$13.00
Cascade Yarns Spuntaneous Yarn - Merino Wool Super Chunky 9 options
Cascade Yarns Spuntaneous Yarn - Merino Wool Super Chunky

100% Merino Wool, 109yds (100m)/200g (7.06oz), Super Bulky

$27.60
Wonderland Yarns Mad Hatter Yarn - Superwash Merino DK 5 options
Wonderland Yarns Mad Hatter Yarn - Superwash Merino DK

100% Merino Wool, 344yds (315m)/115g (4.06oz), DK | Light Worsted

$28.00 - $30.00
SALE Noro Silk Garden Solo Yarn - Silk Aran 17 options
Noro Silk Garden Solo Yarn - Silk Aran

45% Silk 45% Mohair 10% Wool, 109yds (100m)/50g (1.76oz), Aran

$12.40
$15.50
SALE Cascade Yarns Sarasota Worsted Yarn - Cotton Worsted 34 options
Cascade Yarns Sarasota Worsted Yarn - Cotton Worsted

60% Cotton 40% Acrylic, 208yds (190m)/100g (3.53oz), Worsted

$3.50
$7.00
Cascade Yarns Aegean Tweed Yarn - Wool DK 7 options
Cascade Yarns Aegean Tweed Yarn - Wool DK

100% Wool, 328yds (300m)/100g (3.53oz), DK | Light Worsted

$13.00
SALE Stacy Charles Fine Yarns Janelle Yarn - Cotton heavy_Worsted,Worsted 3 options
Stacy Charles Fine Yarns Janelle Yarn - Cotton heavy_Worsted,Worsted

68% Cotton 22% Baby Alpaca 10% Merino Wool, 121yds (111m)/50g (1.76oz), Heavy Worsted, Worsted

$11.20
$16.00
SALE Blue Sky Fibers Sweater Yarn - Wool Worsted 23 options
Blue Sky Fibers Sweater Yarn - Wool Worsted

55% Wool 45% Cotton, 160yds (146m)/100g (3.53oz), Worsted

$17.44
$21.80
Plymouth Yarn Homestead Tweed Yarn - Wool Aran 7 options
Plymouth Yarn Homestead Tweed Yarn - Wool Aran

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

$13.99
Sirdar Snuggly Cashmere Merino Silk DK Yarn - Merino Wool DK 6 options
Sirdar Snuggly Cashmere Merino Silk DK Yarn - Merino Wool DK

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

$13.00
Debbie Bliss Fine Donegal Yarn - Wool Fingering 26 options
Debbie Bliss Fine Donegal Yarn - Wool Fingering

95% Wool 5% Cashmere, 416yds (380m)/100g (3.53oz), Fingering

$26.00
Paintbox Yarns 100% Wool Chunky Superwash Yarn 25 options
Paintbox Yarns 100% Wool Chunky Superwash Yarn

100% Wool, 128yds (117m)/100g (3.53oz), Bulky

$12.50
Juniper Moon Farm Cumulus Rainbow Yarn - Cotton Worsted 7 options
Juniper Moon Farm Cumulus Rainbow Yarn - Cotton Worsted

94% Cotton 6% Nylon, 251yds (230m)/100g (3.53oz), Worsted

$26.95
Sirdar Snuggly Baby Bamboo DK Yarn - Bamboo DK 5 options
Sirdar Snuggly Baby Bamboo DK Yarn - Bamboo DK

80% Bamboo 20% Wool, 104yds (95m)/50g (1.76oz), DK | Light Worsted

$9.00
SALE Debbie Bliss Paloma Yarn - Baby Alpaca Super Chunky 46 options
Debbie Bliss Paloma Yarn - Baby Alpaca Super Chunky

60% Baby Alpaca 40% Merino Wool, 71yds (65m)/50g (1.76oz), Super Bulky

$11.03
$15.75
SALE Berroco Vento Yarn - Baby Alpaca DK 11 options
Berroco Vento Yarn - Baby Alpaca DK

50% Baby Alpaca 40% Acrylic 10% Merino Wool, 219yds (200m)/50g (1.76oz), DK | Light Worsted

$4.50
$10.00
Cascade Yarns 220 Superwash Sport Wave Yarn 17 options
Cascade Yarns 220 Superwash Sport Wave Yarn

100% Wool, 273yds (250m)/100g (3.53oz), Sport

$14.70
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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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