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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 Berroco Remix Yarn - Nylon Aran 48 options
Berroco Remix Yarn - Nylon Aran

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

$10.50
$14.00
SALE Valley Yarns Leverett Yarn - Cotton DK 15 options
Valley Yarns Leverett Yarn - Cotton DK

70% Cotton 30% Linen, 109yds (100m)/50g (1.76oz), DK | Light Worsted

$5.59
$6.99
SALE Fibra Natura Flax Yarn - Linen DK 21 options
Fibra Natura Flax Yarn - Linen DK

100% Linen, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$6.40
$8.00
SALE Valley Yarns Hawley Yarn - Cotton DK 21 options
Valley Yarns Hawley Yarn - Cotton DK

50% Cotton 30% Silk 20% Nylon, 135yds (123m)/50g (1.76oz), DK | Light Worsted

$5.99
$7.49
SALE Berroco Modern Cotton DK Yarn - Cotton DK 62 options
Berroco Modern Cotton DK Yarn - Cotton DK

60% Cotton 40% Rayon, 335yds (306m)/100g (3.53oz), DK | Light Worsted

$9.60
$12.00
SALE Plymouth Yarn Dreambaby DK Paintpot Yarn - Acrylic DK 16 options
Plymouth Yarn Dreambaby DK Paintpot Yarn - Acrylic DK

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

$3.00 - $5.99
$5.99
SALE Sirdar Jewelspun Yarn - Acrylic Aran 18 options
Sirdar Jewelspun Yarn - Acrylic Aran

100% Acrylic, 547yds (500m)/200g (7.06oz), Aran

$12.75
$17.00
Universal Yarn Uptown Worsted Yarn - Acrylic Worsted 70 options
Universal Yarn Uptown Worsted Yarn - Acrylic Worsted

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

$7.75
Rowan Big Wool Yarn - Merino Wool Super Chunky 48 options
Rowan Big Wool Yarn - Merino Wool Super Chunky

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

$20.50
Valley Yarns Westfield Yarn - Merino Wool DK 18 options
Valley Yarns Westfield Yarn - Merino Wool DK

60% Merino Wool 20% Silk 20% Yak, 120yds (110m)/50g (1.76oz), DK | Light Worsted

$12.49
Dream in Color Smooshy with Cashmere Yarn - Superwash Merino 3 Ply 66 options
Dream in Color Smooshy with Cashmere Yarn - Superwash Merino 3 Ply

70% Merino Wool 20% Cashmere 10% Nylon, 400yds (366m)/113g (3.99oz), Light Fingering

$36.00
Paintbox Yarns Simply Super Chunky Yarn - Acrylic Super Chunky 25 options
Paintbox Yarns Simply Super Chunky Yarn - Acrylic Super Chunky

100% Acrylic, 66yds (60m)/100g (3.53oz), Super Bulky

$5.50
Tahki Yarns Highland Roving Yarn - Wool Super Chunky 25 options
Tahki Yarns Highland Roving Yarn - Wool Super Chunky

100% Wool, 90yds (82m)/150g (5.29oz), Super Bulky

$16.75
Valley Yarns Worthington Yarn - Wool DK 15 options
Valley Yarns Worthington Yarn - Wool DK

50% Wool 25% Alpaca 25% Viscose, 174yds (159m)/50g (1.76oz), DK | Light Worsted

$9.99
Debbie Bliss Rialto DK Yarn - Superwash Merino DK 71 options
Debbie Bliss Rialto DK Yarn - Superwash Merino DK

100% Merino Wool, 115yds (105m)/50g (1.76oz), DK | Light Worsted

$11.00
SALE Valley Yarns Granville Yarn - Cotton Sport 14 options
Valley Yarns Granville Yarn - Cotton Sport

90% Cotton 10% Merino Wool, 167yds (153m)/50g (1.76oz), Sport

$5.19
$6.49
SALE Rowan Softyak DK Yarn 29 options
Rowan Softyak DK Yarn

76% Cotton 15% Yak 9% Nylon, 148yds (135m)/50g (1.76oz), DK | Light Worsted

$12.60
$15.75
SALE Rowan Summerlite 4 Ply Yarn - Cotton 4 Ply 58 options
Rowan Summerlite 4 Ply Yarn - Cotton 4 Ply

100% Cotton, 191yds (175m)/50g (1.76oz), Fingering

$7.88
$10.50
Malabrigo Caprino Yarn - Merino Sport 77 options
Malabrigo Caprino Yarn - Merino Sport

80% Merino Wool 20% Cashmere, 164yds (150m)/50g (1.76oz), Sport

$19.25
SALE Rowan Alpaca Classic Yarn - Alpaca DK 35 options
Rowan Alpaca Classic Yarn - Alpaca DK

57% Alpaca 43% Cotton, 131yds (120m)/25g (0.88oz), DK | Light Worsted

$9.24 - $11.55
$11.55
Malabrigo Dos Tierras Yarn  - Merino DK 77 options
Malabrigo Dos Tierras Yarn - Merino DK

50% Merino Wool 50% Baby Alpaca, 210yds (192m)/100g (3.53oz), DK | Light Worsted

$22.00
SALE Valley Yarns Westhampton Yarn - Cotton DK 25 options
Valley Yarns Westhampton Yarn - Cotton DK

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

$5.59
$6.99
Juniper Moon Farm Patagonia Organic Merino Yarn - Wool DK 48 options
Juniper Moon Farm Patagonia Organic Merino Yarn - Wool DK

100% Wool, 382yds (349m)/100g (3.53oz), DK | Light Worsted

$16.95
SALE Berroco Aerial Yarn - Mohair Lace 69 options
Berroco Aerial Yarn - Mohair Lace

65% Mohair 35% Silk, 284yds (260m)/25g (0.88oz), Lace | 2 Ply

$11.81
$15.75
Berroco Ultra Wool DK Yarn - Superwash Wool DK 35 options
Berroco Ultra Wool DK Yarn - Superwash Wool DK

100% Wool, 292yds (267m)/100g (3.53oz), DK | Light Worsted

$14.25
Adriafil Knitcol Yarn - Superwash Wool DK 46 options
Adriafil Knitcol Yarn - Superwash Wool DK

100% Wool, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$11.99
Valley Yarns Hatfield Yarn - Baby Alpaca Lace 16 options
Valley Yarns Hatfield Yarn - Baby Alpaca Lace

100% Baby Alpaca, 437yds (400m)/50g (1.76oz), Lace | 2 Ply

$9.49
SALE Elsebeth Lavold Hempathy Yarn - Cotton DK 58 options
Elsebeth Lavold Hempathy Yarn - Cotton DK

41% Cotton 34% Hemp 25% Modal, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$7.16
$8.95
SALE Juniper Moon Farm Zooey Yarn - Cotton Sport 71 options
Juniper Moon Farm Zooey Yarn - Cotton Sport

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

$17.20
$21.50
Berroco Ultra Wool Chunky Yarn - Superwash Wool Chunky 34 options
Berroco Ultra Wool Chunky Yarn - Superwash Wool Chunky

100% Wool, 145yds (133m)/100g (3.53oz), Bulky

$14.25
SALE Rowan Summerlite DK Yarn 49 options
Rowan Summerlite DK Yarn

100% Cotton, 142yds (130m)/50g (1.76oz), DK | Light Worsted

$7.88 - $10.50
$10.50
SALE Plymouth Yarn Encore DK Yarn - Acrylic DK 49 options
Plymouth Yarn Encore DK Yarn - Acrylic DK

75% Acrylic 25% Wool, 150yds (137m)/50g (1.76oz), DK | Light Worsted

$2.65 - $3.79
$3.79
SALE Rowan Cotton Cashmere Yarn - Cotton DK 30 options
Rowan Cotton Cashmere Yarn - Cotton DK

85% Cotton 15% Cashmere, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$13.44
$16.80
Stylecraft Special DK Yarn - Acrylic DK 120 options
Stylecraft Special DK Yarn - Acrylic DK

100% Acrylic, 323yds (295m)/100g (3.53oz), DK | Light Worsted

$3.99 - $4.29
SALE Berroco Vintage Sock Yarn - Acrylic 4 Ply 48 options
Berroco Vintage Sock Yarn - Acrylic 4 Ply

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

$8.25
$11.00
Plymouth Yarn Baby Alpaca Grande Yarn - Baby Alpaca Chunky 77 options
Plymouth Yarn Baby Alpaca Grande Yarn - Baby Alpaca Chunky

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

$22.99
SALE Sirdar Happy Cotton Yarn - Cotton DK 50 options
Sirdar Happy Cotton Yarn - Cotton DK

100% Cotton, 47yds (43m)/20g (0.71oz), DK | Light Worsted

$1.72
$2.15
Cascade Yarns Pacific Sport Yarn - Acrylic Sport 51 options
Cascade Yarns Pacific Sport Yarn - Acrylic Sport

60% Acrylic 40% Merino Wool, 273yds (250m)/100g (3.53oz), Sport

$8.00
SALE Rowan Cotton Glacé Yarn - Cotton DK 43 options
Rowan Cotton Glacé Yarn - Cotton DK

100% Cotton, 126yds (115m)/50g (1.76oz), DK | Light Worsted

$8.16
$10.20
Cascade Yarns Eco + Yarn - Wool Chunky 91 options
Cascade Yarns Eco + Yarn - Wool Chunky

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

$27.50
SALE Debbie Bliss Cashmerino DK Yarn - Merino Wool DK 48 options
Debbie Bliss Cashmerino DK Yarn - Merino Wool DK

55% Merino Wool 33% Acrylic 12% Cashmere, 120yds (110m)/50g (1.76oz), DK | Light Worsted

$7.70
$11.00
Cascade Yarns Cherub Aran Yarn - Nylon Aran 85 options
Cascade Yarns Cherub Aran Yarn - Nylon Aran

55% Nylon 45% Acrylic, 241yds (220m)/100g (3.53oz), Aran

$6.00
Rowan Norwegian Wool Yarn - Wool DK 14 options
Rowan Norwegian Wool Yarn - Wool DK

100% Wool, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$13.65
Universal Yarn Major Yarn - Acrylic Chunky 41 options
Universal Yarn Major Yarn - Acrylic Chunky

100% Acrylic, 328yds (300m)/200g (7.06oz), Bulky

$13.99
SALE Universal Yarn Cotton Supreme Yarn - Cotton Worsted 43 options
Universal Yarn Cotton Supreme Yarn - Cotton Worsted

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

$9.60
$12.00
SALE Berroco Pima 100 Yarn - Cotton Worsted 72 options
Berroco Pima 100 Yarn - Cotton Worsted

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

$10.88 - $14.50
$14.50
Koigu KPPPM Pencil Box Set Yarn - Merino Wool 4 Ply 26 options
Koigu KPPPM Pencil Box Set Yarn - Merino Wool 4 Ply

100% Merino Wool, 850yds (777m)/250g (8.82oz), Fingering

$80.00
Blue Sky Fibers Baby Alpaca Sport Yarn - Baby Alpaca DK 16 options
Blue Sky Fibers Baby Alpaca Sport Yarn - Baby Alpaca DK

100% Baby Alpaca, 110yds (101m)/50g (1.76oz), DK | Light Worsted

$15.75
Wonderland Yarns Mad Hatter 5-Skein Pack Yarn - Superwash Merino Sport 20 options
Wonderland Yarns Mad Hatter 5-Skein Pack Yarn - Superwash Merino Sport

100% Merino Wool, 430yds (393m)/141g (4.97oz), Sport

$41.00 - $44.50
SALE Paintbox Yarns Recycled Cotton Worsted Yarn - Cotton Worsted 10 options
Paintbox Yarns Recycled Cotton Worsted Yarn - Cotton Worsted

100% Cotton, 170yds (155m)/100g (3.53oz), Worsted

$2.83
$5.25
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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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