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

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

$31.50
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 Cascade Yarns Sarasota Worsted Yarn - Cotton Worsted 35 options
Cascade Yarns Sarasota Worsted Yarn - Cotton Worsted

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

$3.50
$7.00
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
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
SALE Paintbox Yarns Wool Blend Worsted Yarn - Acrylic Worsted 30 options
Paintbox Yarns Wool Blend Worsted Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 219yds (200m)/100g (3.53oz), Worsted

$4.39
$6.75
Cascade Yarns Woolpaka Yarn - Wool Worsted 17 options
Cascade Yarns Woolpaka Yarn - Wool Worsted

60% Wool 40% Alpaca, 220yds (201m)/100g (3.53oz), Worsted

$15.70
Elsebeth Lavold Silky Wool Aran Yarn - Wool Worsted 6 options
Elsebeth Lavold Silky Wool Aran Yarn - Wool Worsted

45% Wool 35% Silk 20% Nylon, 104yds (95m)/50g (1.76oz), Worsted

$11.95
SALE Noro Madara Yarn - Wool Worsted 21 options
Noro Madara Yarn - Wool Worsted

60% Wool 10% Alpaca 30% Silk, 219yds (200m)/100g (3.53oz), Worsted

$22.80 - $28.50
$28.50
Queensland Collection Coastal Cotton Yarn - Cotton Worsted 29 options
Queensland Collection Coastal Cotton Yarn - Cotton Worsted

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

$7.95
Plymouth Yarn Sea Isle Cotton Yarn - Cotton Worsted 5 options
Plymouth Yarn Sea Isle Cotton Yarn - Cotton Worsted

50% Cotton 50% Merino Wool, 329yds (301m)/100g (3.53oz), Worsted

$18.99
SALE Valley Yarns Valley Superwash 100 Gram Hanks Yarn
Valley Yarns Valley Superwash 100 Gram Hanks Yarn

100% Merino Wool, 194yds (177m)/100g (3.53oz), Worsted

$8.74
$12.49
SALE Trendsetter Yarns Blink Yarn - Cotton Worsted 13 options
Trendsetter Yarns Blink Yarn - Cotton Worsted

90% Cotton 10% Polyamide, 110yds (101m)/50g (1.76oz), Worsted

$5.40
$12.00
SALE Queensland Collection Kathmandu Aran 100 Yarn - Merino Wool Worsted 9 options
Queensland Collection Kathmandu Aran 100 Yarn - Merino Wool Worsted

85% Merino Wool 10% Silk 5% Cashmere, 208yds (190m)/100g (3.53oz), Worsted

$22.36
$27.95
Plymouth Yarn Soft Serve Yarn - Acrylic Worsted 2 options
Plymouth Yarn Soft Serve Yarn - Acrylic Worsted

100% Acrylic, 207yds (189m)/100g (3.53oz), Worsted

$7.99
SALE Lion Brand 24/7 Cotton Yarn 43 options
Lion Brand 24/7 Cotton Yarn

100% Cotton, 186yds (170m)/100g (3.53oz), Worsted

$4.49
$5.99
SALE Yarn Vibes Cliff of Moher Yarn - Wool Worsted 4 options
Yarn Vibes Cliff of Moher Yarn - Wool Worsted

60% Wool 40% Virgin Wool, 164yds (150m)/100g (3.53oz), Worsted

$9.79
$13.99
SALE Berroco Merino 401 Yarn - Merino Wool Worsted 37 options
Berroco Merino 401 Yarn - Merino Wool Worsted

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

$8.00
$10.00
SALE Rowan Four Seasons Yarn - Cotton Worsted 9 options
Rowan Four Seasons Yarn - Cotton Worsted

60% Cotton 40% Acrylic, 82yds (75m)/50g (1.76oz), Worsted

$3.13
$6.95
SALE Adriafil Stellato Yarn - Viscose Worsted 8 options
Adriafil Stellato Yarn - Viscose Worsted

50% Viscose 23% Wool 23% Polyamide 4% Polyester, 114yds (104m)/50g (1.76oz), Worsted

$5.50
$10.99
Noro Haunui Silk Yarn - Wool Worsted 7 options
Noro Haunui Silk Yarn - Wool Worsted

65% Wool 35% Silk, 361yds (330m)/150g (5.29oz), Worsted

$46.95
Valley Yarns Berkshire 100 Gram Hank Yarn - Wool Worsted
Valley Yarns Berkshire 100 Gram Hank Yarn - Wool Worsted

85% Wool 15% Alpaca, 140yds (128m)/100g (3.53oz), Worsted

$8.49
Lion Brand Wool Ease Yarn - Acrylic Worsted 30 options
Lion Brand Wool Ease Yarn - Acrylic Worsted

80% Acrylic 20% Wool, 197yds (180m)/85g (3oz), Worsted

$5.99
Noro Haunui Yarn - Wool Worsted 6 options
Noro Haunui Yarn - Wool Worsted

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

$41.95
SALE Berroco Seaspun Yarn - Cotton 11 options
Berroco Seaspun Yarn - Cotton

50% Cotton 50% Polyester, 120yds (110m)/50g (1.76oz), Worsted

$5.50
$10.99
Cascade Yarns Cantata Hand Paint Yarn - Cotton Worsted 5 options
Cascade Yarns Cantata Hand Paint Yarn - Cotton Worsted

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

$11.50
Queensland Collection Coastal Cotton Ocean Mist Yarn - Cotton Worsted 6 options
Queensland Collection Coastal Cotton Ocean Mist Yarn - Cotton Worsted

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

$8.95
Lion Brand Mandala Ombre Yarn - Acrylic Worsted 14 options
Lion Brand Mandala Ombre Yarn - Acrylic Worsted

100% Acrylic, 344yds (315m)/150g (5.29oz), Worsted

$7.99
SALE Ella Rae Velveteen Cotton Yarn - Cotton Worsted 7 options
Ella Rae Velveteen Cotton Yarn - Cotton Worsted

81% Cotton 19% Polyamide, 229yds (209m)/100g (3.53oz), Worsted

$9.95
$19.89
Juniper Moon Farm Cotton + Merino Yarn - Cotton 11 options
Juniper Moon Farm Cotton + Merino Yarn - Cotton

70% Cotton 30% Merino Wool, 229yds (209m)/100g (3.53oz), Worsted

$21.95
Berroco Talara Yarn - Llama Worsted 8 options
Berroco Talara Yarn - Llama Worsted

100% Llama, 131yds (120m)/50g (1.76oz), Worsted

$13.00
SALE Tahki Yarns Donegal Tweed Yarn - Wool Worsted 41 options
Tahki Yarns Donegal Tweed Yarn - Wool Worsted

100% Wool, 183yds (167m)/100g (3.53oz), Worsted

$11.19
$15.99
SALE Lion Brand Vanna's Choice Yarn - Acrylic Worsted 29 options
Lion Brand Vanna's Choice Yarn - Acrylic Worsted

100% Acrylic, 171yds (156m)/100g (3.53oz), Worsted

$6.85
$8.56
SALE String Amalfi Yarn - Viscose Worsted 8 options
String Amalfi Yarn - Viscose Worsted

39% Viscose 25% Wool 22% Silk 14% Cashmere, 180yds (165m)/50g (1.76oz), Worsted

$16.90
$26.00
Plymouth Yarn Angora Mist Yarn - Angora Worsted 5 options
Plymouth Yarn Angora Mist Yarn - Angora Worsted

80% Angora 20% Nylon, 122yds (112m)/25g (0.88oz), Worsted

$17.99
Noro Akari Solo Yarn - Silk Worsted 10 options
Noro Akari Solo Yarn - Silk Worsted

26% Silk 21% Cotton 15% Viscose 14% Mohair 24% Other, 524yds (479m)/200g (7.06oz), Worsted

$47.50
SALE Berroco Mystery Blanket Knit Along Kit Yarn - Acrylic Worsted 6 options
Berroco Mystery Blanket Knit Along Kit Yarn - Acrylic Worsted

52% Acrylic 40% Wool 8% Nylon, 3917yds (3582m)/1800g (63.49oz), Worsted

$126.00
$180.00
Lion Brand Heartland Yarn - Acrylic Worsted 36 options
Lion Brand Heartland Yarn - Acrylic Worsted

100% Acrylic, 252yds (230m)/142g (5.01oz), Worsted

$7.99
SALE Trendsetter Yarns Cheerleader Yarn - Polyester Worsted 8 options
Trendsetter Yarns Cheerleader Yarn - Polyester Worsted

37% Polyester 28% Alpaca 22% Nylon 13% Merino Wool, 120yds (110m)/50g (1.76oz), Worsted

$7.20
$16.00
Tahki Yarns Tandem 5 Ball Value Pack Yarn - Cotton Worsted 20 options
Tahki Yarns Tandem 5 Ball Value Pack Yarn - Cotton Worsted

28% Cotton 28% Viscose 28% Nylon 16% Acrylic, 535yds (489m)/250g (8.82oz), Worsted

$44.95
Lion Brand Ferris Wheel Yarn - Acrylic Worsted 12 options
Lion Brand Ferris Wheel Yarn - Acrylic Worsted

100% Acrylic, 270yds (247m)/85g (3oz), Worsted

$4.99
Lion Brand Fishermen's Wool Yarn - Wool Worsted 6 options
Lion Brand Fishermen's Wool Yarn - Wool Worsted

100% Wool, 465yds (425m)/227g (8.01oz), Worsted

$12.69
Noro Rittou Yarn - Wool Worsted 7 options
Noro Rittou Yarn - Wool Worsted

70% Wool 15% Silk 15% Mohair, 361yds (330m)/150g (5.29oz), Worsted

$47.50
Berroco Mistico Yarn - Cotton Worsted 4 options
Berroco Mistico Yarn - Cotton Worsted

48% Cotton 30% Alpaca 12% Wool 10% Nylon, 191yds (175m)/50g (1.76oz), Worsted

$15.75
SALE Berroco Vintage Handpaint Yarn - Acrylic Worsted 11 options
Berroco Vintage Handpaint Yarn - Acrylic Worsted

52% Acrylic 40% Wool 8% Nylon, 218yds (199m)/100g (3.53oz), Worsted

$11.44
$15.25
SALE Cascade Yarns Elysian Yarn - Superwash Merino Worsted 38 options
Cascade Yarns Elysian Yarn - Superwash Merino Worsted

60% Merino Wool 40% Acrylic, 219yds (200m)/100g (3.53oz), Worsted

$5.00 - $7.00
$9.99
Juniper Moon Farm Iris Yarn - Alpaca Worsted 7 options
Juniper Moon Farm Iris Yarn - Alpaca Worsted

70% Alpaca 20% Silk 10% Merino Wool, 437yds (400m)/100g (3.53oz), Worsted

$49.99
SALE String Venezia Yarn - Cashmere Worsted 4 options
String Venezia Yarn - Cashmere Worsted

53% Cashmere 27% Wool 20% Silk, 197yds (180m)/50g (1.76oz), Worsted

$28.60
$44.00
Lion Brand Basic Stitch Anti Pilling Yarn - Acrylic Worsted 35 options
Lion Brand Basic Stitch Anti Pilling Yarn - Acrylic Worsted

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

$6.99
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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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