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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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Valley Yarns Savoy

30% Wool 5% Cashmere 35% Viscose 30% Polyamide, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$8.39
$11.99
Noro Saiun

70% Wool 30% Polyester, 492yds (450m)/150g (5.29oz), DK | Light Worsted

$36.95
Trendsetter Yarns Vector

90% Merino Wool 10% Polyamide, 165yds (151m)/50g (1.76oz), Aran

$6.75
$13.50
Berroco Vernazza

50% Viscose 25% Linen 25% Cotton, 101yds (92m)/50g (1.76oz), Worsted

$6.64
$9.49
Rowan Fine Tweed Haze

37% Alpaca 37% Wool 13% Polyamide 9% Cotton 4% Polyester, 235yds (215m)/50g (1.76oz), Fingering

$17.20
$21.50
Universal Yarn Uptown Worsted Hues

100% Acrylic, 180yds (165m)/100g (3.53oz), Worsted

$7.00 - $8.75
$8.75
Laines Du Nord Watercolor Sock

75% Wool 25% Nylon, 458yds (419m)/100g (3.53oz), Fingering

$24.95
Cascade Yarns Cantata Hand Paint

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

$9.20
$11.50
Stylecraft Special Aran

100% Acrylic, 214yds (196m)/100g (3.53oz), Aran

$4.79
Noro Sonata Shima

35% Cotton 25% Viscose 20% Silk 20% Polyamide, 393yds (359m)/100g (3.53oz), DK | Light Worsted

$20.76
$25.95
King Cole Homespun Prism DK

23% Polyamide 23% Acrylic 22% Merino Wool 22% Alpaca 10% Viscose, 191yds (175m)/50g (1.76oz), DK | Light Worsted

$6.69
Berroco Seaspun

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

$5.50
$10.99
Queensland Collection Coastal Cotton Ocean Mist

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

$8.95
Juniper Moon Farm Big Merino Wool

100% Merino Wool, 87yds (80m)/100g (3.53oz), Super Bulky

$18.95
Rowan Pure Alpaca

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

$13.65
King Cole Riot DK

70% Acrylic 30% Wool, 322yds (294m)/100g (3.53oz), DK | Light Worsted

$9.99
Tahki Yarns Hatteras Splash

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

$14.99
Lang Yarns Cloud Tweed

84% Merino Wool 10% Nylon 6% Baby Alpaca, 284yds (260m)/100g (3.53oz), Bulky

$31.00
Universal Yarn Cotton Supreme Speckles

100% Cotton, 180yds (165m)/100g (3.53oz), Worsted

$9.60
$12.00
Rowan Cotton Revive

80% Cotton 20% Other, 273yds (250m)/100g (3.53oz), Sport

$8.93
$10.50
Lion Brand Hue & Me

80% Acrylic 20% Wool, 137yds (125m)/125g (4.41oz), Bulky

$7.49
Mode at Rowan Softest Alpaca

70% Alpaca 7% Wool 23% Polyamide, 142yds (130m)/50g (1.76oz), Bulky

$11.00
Ella Rae Velveteen Cotton

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

$9.95
$19.89
Juniper Moon Farm Fairy Floss

73% Wool 15% Baby Alpaca 12% Polyamide, 328yds (300m)/100g (3.53oz), Super Bulky

$29.99
Paintbox Yarns Cotton Mix DK

50% Cotton 50% Acrylic, 268yds (245m)/100g (3.53oz), DK | Light Worsted

$6.75
Lion Brand Mandala Ombre

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

$6.39
$7.99
Cascade Yarns Pandamonium Multis

55% Cotton 45% Viscose, 273yds (250m)/100g (3.53oz), DK | Light Worsted

$9.00
Adriafil Memphis

100% Cotton, 241yds (220m)/100g (3.53oz), DK | Light Worsted

$8.50 - $12.74
$16.99
Stylecraft Life DK

75% Acrylic 25% Wool, 326yds (298m)/100g (3.53oz), DK | Light Worsted

$7.39
Trendsetter Yarns Zucca

58% Nylon 42% Polyamide, 72yds (66m)/50g (1.76oz), Aran

$5.50
$10.99
Juniper Moon Farm Cotton + Merino

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

$17.56
$21.95
Plymouth Yarn Hearty Homestead Tweed

90% Peruvian Highland Wool 10% Donegal Wool, 123yds (112m)/100g (3.53oz), Bulky

$14.99
String Verona

95% Cashmere 5% Merino Wool, 88yds (80m)/50g (1.76oz), Bulky

$27.99
$39.99
Lang Yarns Oceania

70% Cotton 30% Viscose, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$10.00
Berroco Tillie

62% Cotton 38% Cellulose, 375yds (343m)/100g (3.53oz), Sport

$24.00
Berroco Modern Linen

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

$26.00
Berroco Talara

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

$13.00
Cascade Yarns 128 Superwash Hand Paints

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

$15.00
Berroco Carousel

52% Wool 48% Acrylic, 416yds (380m)/100g (3.53oz), Sport

$18.00
String Venezia Solids

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

$30.80
$44.00
Sirdar Happy Chenille Assortment Pack

100% Polyester, 1025yds (937m)/15g (0.53oz), DK | Light Worsted

$48.90
Stylecraft Naturals Bamboo & Cotton DK

60% Bamboo 40% Cotton, 273yds (250m)/100g (3.53oz), DK | Light Worsted

$11.50
Scheepjes River Washed XL

78% Cotton 22% Acrylic, 76yds (69m)/50g (1.76oz), Worsted

$4.20
$6.50
Trendsetter Yarns Alfa

72% Cotton 16% Metallic 9% Polyamide, 385yds (352m)/100g (3.53oz), DK | Light Worsted

$13.50
$26.99
Paintbox Yarns Metallic DK

55% Cotton 45% Polyamide, 131yds (120m)/50g (1.76oz), DK | Light Worsted

$4.20 - $6.00
$6.00
String Amalfi

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

$18.20
$26.00
Paintbox Yarns Ombre Aran Wool Touch

75% Acrylic 25% Wool, 208yds (190m)/100g (3.53oz), Aran

$6.29
$8.99
Berroco Vintage Sock Handpaint

52% Acrylic 40% Wool 8% Nylon, 437yds (400m)/100g (3.53oz), Fingering

$16.00
Mode At Rowan Alpaca Haze

58% Alpaca 22% Wool, 232yds (212m)/25g (0.88oz), Sport

$8.00
Juniper Moon Farm Summer Solstice Paint

48% Linen 24% Cotton 24% Viscose 4% Polyester, 295yds (270m)/100g (3.53oz), Sport

$18.71
$24.95
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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.