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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 Tweed 27 options
Plymouth Yarn Encore Tweed

75% Acrylic 22% Wool 3% Rayon, 199yds (182m)/100g (3.53oz), Worsted

$7.50
$10.00
SALE Cascade Yarns 220 Superwash Wave 34 options
Cascade Yarns 220 Superwash Wave

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

$9.75
$13.00
Cascade Yarns 220 Superwash Aran 66 options
Cascade Yarns 220 Superwash Aran

100% Merino Wool, 150yds (137m)/100g (3.53oz), Aran

$13.00
SALE Valley Yarns Valley Superwash Bulky 30 options
Valley Yarns Valley Superwash Bulky

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

$11.19
$13.99
SALE Tahki Yarns Tandem 20 options
Tahki Yarns Tandem

28% Cotton 28% Viscose 28% Nylon 16% Acrylic, 107yds (98m)/50g (1.76oz), Worsted

$6.74
$8.99
SALE Plymouth Yarn Dream DK 82 options
Plymouth Yarn Dream DK

50% Acrylic 50% Nylon, 174yds (159m)/50g (1.76oz), DK | Light Worsted

$4.49
$5.99
SALE Tahki Yarns Donegal Tweed Fine 24 options
Tahki Yarns Donegal Tweed Fine

70% Wool 30% Mohair, 218yds (199m)/50g (1.76oz), Fingering

$6.37
$8.49
SALE Plymouth Yarn Encore Mega 35 options
Plymouth Yarn Encore Mega

75% Acrylic 25% Wool, 63yds (58m)/100g (3.53oz), Super Bulky

$6.38
$8.50
SALE Berroco Comfort Sock 25 options
Berroco Comfort Sock

50% Nylon 50% Acrylic, 451yds (412m)/100g (3.53oz), Light Fingering

$7.60
$9.50
SALE Paintbox Yarns Simply DK 85 options
Paintbox Yarns Simply DK

100% Acrylic, 302yds (276m)/100g (3.53oz), DK | Light Worsted

$2.98
$4.25
SALE Cascade Yarns Fixation 67 options
Cascade Yarns Fixation

98% Cotton 2% Spandex, 100yds (91m)/50g (1.76oz), DK | Light Worsted

$4.80 - $6.00
$6.00
Universal Yarn Bamboo Pop Sock 32 options
Universal Yarn Bamboo Pop Sock

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

$12.00
SALE Cascade Yarns Pacific 112 options
Cascade Yarns Pacific

60% Acrylic 40% Merino Wool, 213yds (195m)/100g (3.53oz), Aran

$6.19
$8.25
SALE Sirdar Snuggly DK 110 options
Sirdar Snuggly DK

55% Nylon 45% Acrylic, 180yds (165m)/50g (1.76oz), DK | Light Worsted

$4.88
$6.50
SALE Koigu KPPPM 62 options
Koigu KPPPM

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

$12.38
$16.50
SALE Noro Kureyon 100 options
Noro Kureyon

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

$9.40
$11.75
SALE Berroco Modern Cotton 94 options
Berroco Modern Cotton

60% Cotton 40% Rayon, 209yds (191m)/100g (3.53oz), Worsted

$9.00
$12.00
Cascade Yarns Cherub DK 70 options
Cascade Yarns Cherub DK

55% Nylon 45% Acrylic, 180yds (165m)/50g (1.76oz), DK | Light Worsted

$3.50
SALE Valley Yarns Berkshire 24 options
Valley Yarns Berkshire

85% Wool 15% Alpaca, 141yds (129m)/100g (3.53oz), Worsted

$7.99
$9.99
SALE Debbie Bliss Cashmerino Aran 66 options
Debbie Bliss Cashmerino Aran

55% Merino Wool 33% Acrylic 12% Cashmere, 98yds (90m)/50g (1.76oz), Aran

$8.25
$11.00
SALE Valley Yarns Hampden 14 options
Valley Yarns Hampden

50% Baby Alpaca 35% Merino Wool 15% Silk, 95yds (87m)/50g (1.76oz), DK | Light Worsted

$7.99
$9.99
SALE Valley Yarns 2/10 Merino Tencel (Colrain Lace) 21 options
Valley Yarns 2/10 Merino Tencel (Colrain Lace)

50% Merino Wool 50% Lyocell, 1540yds (1408m)/249g (8.78oz), Lace | 2 Ply

$25.19
$31.49
SALE Valley Yarns Becket 19 options
Valley Yarns Becket

50% Alpaca 50% Wool, 141yds (129m)/100g (3.53oz), Worsted

$9.59
$11.99
Scheepjes Stone Washed 35 options
Scheepjes Stone Washed

78% Cotton 22% Acrylic, 142yds (130m)/50g (1.76oz), Sport

$6.49
SALE Berroco Vintage Baby 29 options
Berroco Vintage Baby

52% Acrylic 40% Wool 8% Nylon, 145yds (133m)/50g (1.76oz), DK | Light Worsted

$4.13
$5.50
SALE Berroco Ultra Alpaca Chunky 37 options
Berroco Ultra Alpaca Chunky

50% Alpaca 50% Wool, 131yds (120m)/100g (3.53oz), Bulky

$12.00
$16.00
Malabrigo Worsted 154 options
Malabrigo Worsted

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

$14.80
SALE Noro Silk Garden 108 options
Noro Silk Garden

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

$12.40
$15.50
SALE Berroco Remix Light 36 options
Berroco Remix Light

30% Nylon 27% Cotton 24% Acrylic 10% Silk 9% Linen, 437yds (400m)/100g (3.53oz), DK | Light Worsted

$11.20
$14.00
SALE Berroco Ultra Alpaca Light 46 options
Berroco Ultra Alpaca Light

50% Alpaca 50% Wool, 145yds (133m)/50g (1.76oz), DK | Light Worsted

$7.40
$9.25
Cascade Yarns Nifty Cotton 49 options
Cascade Yarns Nifty Cotton

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

$8.25
SALE Lopi Plötulopi 45 options
Lopi Plötulopi

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

$12.00
$15.00
SALE Rowan Handknit Cotton 44 options
Rowan Handknit Cotton

100% Cotton, 93yds (85m)/50g (1.76oz), DK | Light Worsted

$7.49 - $9.99
$9.99
Cascade Yarns 220 Superwash Fingering 26 options
Cascade Yarns 220 Superwash Fingering

100% Merino Wool, 219yds (200m)/50g (1.76oz), Fingering

$6.75
Malabrigo Ultimate Sock 32 options
Malabrigo Ultimate Sock

75% Merino Wool 25% Nylon, 421yds (385m)/100g (3.53oz), Fingering

$24.00
SALE Valley Yarns Peru 14 options
Valley Yarns Peru

84% Baby Alpaca 8% Merino Wool 8% Nylon, 120yds (110m)/50g (1.76oz), Worsted

$6.79
$8.49
SALE Plymouth Yarn Hot Cakes 13 options
Plymouth Yarn Hot Cakes

75% Acrylic 25% Wool, 404yds (369m)/200g (7.06oz), Worsted

$12.74
$16.99
SALE Cascade Yarns Pacific Chunky 64 options
Cascade Yarns Pacific Chunky

60% Acrylic 40% Wool, 120yds (110m)/100g (3.53oz), Bulky

$6.19
$8.25
SALE Valley Yarns Montague 18 options
Valley Yarns Montague

100% Cotton, 110yds (101m)/50g (1.76oz), Worsted

$5.59
$6.99
Malabrigo Noventa 36 options
Malabrigo Noventa

100% Merino Wool, 90yds (82m)/125g (4.41oz), Super Bulky

$24.80
SALE Valley Yarns Valley Superwash Super Bulky 29 options
Valley Yarns Valley Superwash Super Bulky

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

$10.79
$13.49
SALE Tahki Yarns Superwash Merino Bulky 25 options
Tahki Yarns Superwash Merino Bulky

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

$11.06
$14.75
SALE Cascade Yarns Ecological Wool 21 options
Cascade Yarns Ecological Wool

100% Wool, 478yds (437m)/250g (8.82oz), Bulky

$22.00
$27.50
SALE Tahki Yarns Hatteras 25 options
Tahki Yarns Hatteras

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

$9.74
$12.99
SALE Hayfield Baby Blossom Chunky 19 options
Hayfield Baby Blossom Chunky

70% Acrylic 30% Nylon, 170yds (155m)/100g (3.53oz), Bulky

$7.44
$9.30
SALE Valley Yarns Haydenville Bulky 25 options
Valley Yarns Haydenville Bulky

60% Merino Wool 40% Acrylic, 109yds (100m)/100g (3.53oz), Bulky

$8.79
$10.99
Universal Yarn Bella Chenille 29 options
Universal Yarn Bella Chenille

100% Polyester, 131yds (120m)/100g (3.53oz), Super Bulky

$8.50
SALE Tahki Yarns Superwash Merino Worsted Twist 25 options
Tahki Yarns Superwash Merino Worsted Twist

100% Wool, 221yds (202m)/100g (3.53oz), Worsted

$11.06
$14.75
SALE Plymouth Yarn Worsted Merino Superwash 97 options
Plymouth Yarn Worsted Merino Superwash

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

$13.49
$17.99
SALE Berroco Remix 48 options
Berroco Remix

30% Nylon 27% Cotton 24% Acrylic 10% Silk 9% Linen, 217yds (198m)/100g (3.53oz), Aran

$10.50
$14.00
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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.