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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.  See the full yarn weight chart with ply conversions. 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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Malabrigo Vientos Yarn - Merino Chunky 18 options
Malabrigo Vientos Yarn - Merino Chunky

100% Merino Wool, 130yds (119m)/100g (3.53oz), Bulky

$17.50
Paintbox Yarns Anti-Pilling DK Yarn - Acrylic DK 25 options
Paintbox Yarns Anti-Pilling DK Yarn - Acrylic DK

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

$4.50
King Cole Pricewise DK Yarn - Acrylic DK 30 options
King Cole Pricewise DK Yarn - Acrylic DK

100% Acrylic, 308yds (282m)/100g (3.53oz), DK | Light Worsted

$4.90
Araucania Fiesta Yarn - Wool Super Chunky 5 options
Araucania Fiesta Yarn - Wool Super Chunky

100% Virgin Wool, 114yds (104m)/150g (5.29oz), Super Bulky

$30.00
Hayfield Bonus Aran Yarn - Acrylic Aran 50 options
Hayfield Bonus Aran Yarn - Acrylic Aran

100% Acrylic, 280yds (256m)/100g (3.53oz), Aran

$5.60
SALE Cascade Yarns Kid Seta Hand Paints Yarn - Mohair Lace 10 options
Cascade Yarns Kid Seta Hand Paints Yarn - Mohair Lace

74% Mohair 26% Silk, 232yds (212m)/25g (0.88oz), Lace | 2 Ply

$10.50
$14.00
King Cole Explorer Super Chunky Yarn - Acrylic Super Chunky 18 options
King Cole Explorer Super Chunky Yarn - Acrylic Super Chunky

80% Acrylic 20% Wool, 87yds (80m)/100g (3.53oz), Super Bulky

$9.45
Rowan Felted Tweed Soft Yarn - Wool heavy_Worsted 10 options
Rowan Felted Tweed Soft Yarn - Wool heavy_Worsted

64% Wool 8% Alpaca 8% Viscose 20% Nylon, 153yds (140m)/50g (1.76oz), Heavy Worsted

$14.00
SALE Paintbox Yarns Cotton Aran 5 Ball Value Pack Yarn - Cotton Aran 81 options
Paintbox Yarns Cotton Aran 5 Ball Value Pack Yarn - Cotton Aran

100% Cotton, 93yds (85m)/250g (8.82oz), Aran

$14.84
$23.75
King Cole Cherish DK Yarn - Acrylic DK 23 options
King Cole Cherish DK Yarn - Acrylic DK

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

$8.36
Berroco Vellina Yarn - Superwash Wool Worsted 8 options
Berroco Vellina Yarn - Superwash Wool Worsted

65% Wool 20% Hemp 15% Cotton, 234yds (214m)/100g (3.53oz), Worsted

$27.00
Stylecraft Extra Special DK Yarn - Acrylic DK 5 options
Stylecraft Extra Special DK Yarn - Acrylic DK

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

$2.99
Berroco Paperie Yarn - Cotton Worsted 8 options
Berroco Paperie Yarn - Cotton Worsted

90% Cotton 10% Other, 102yds (93m)/50g (1.76oz), Worsted

$12.00
Trendsetter Yarn Sweetie Yarn - Viscose DK 13 options
Trendsetter Yarn Sweetie Yarn - Viscose DK

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

$10.00
Stylecraft Life Tweed DK Yarn - Acrylic DK 6 options
Stylecraft Life Tweed DK Yarn - Acrylic DK

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

$7.49
Circulo Clea Weaving Yarn Yarn - Cotton Lace 31 options
Circulo Clea Weaving Yarn Yarn - Cotton Lace

100% Cotton, 3975yds (3635m)/500g (17.64oz), Lace | 2 Ply

$32.99
King Cole Glitz DK Yarn - Acrylic DK 15 options
King Cole Glitz DK Yarn - Acrylic DK

97% Acrylic 3% Polyester, 317yds (290m)/100g (3.53oz), DK | Light Worsted

$8.14
Koigu Minna Yarn - Merino Wool Sport 8 options
Koigu Minna Yarn - Merino Wool Sport

75% Merino Wool 15% Cashmere 10% Silk, 308yds (282m)/100g (3.53oz), Sport

$44.00
Stylecraft Bambino Prints Yarn - Acrylic DK 13 options
Stylecraft Bambino Prints Yarn - Acrylic DK

100% Acrylic, 293yds (268m)/100g (3.53oz), DK | Light Worsted

$6.59
West Yorkshire Spinners ColourLab Yarn - Wool DK 16 options
West Yorkshire Spinners ColourLab Yarn - Wool DK

100% Wool, 246yds (225m)/100g (3.53oz), DK | Light Worsted

$15.00
Viking Garn Snorre Naturgarn. 27 options
Viking Garn Snorre Naturgarn.

100% Wool, 55yds (50m)/50g (1.76oz), Super Bulky

$2.89
Stylecraft Special Aran with Wool Yarn - Acrylic Aran 24 options
Stylecraft Special Aran with Wool Yarn - Acrylic Aran

80% Acrylic 20% Wool, 892yds (816m)/400g (14.11oz), Aran

$18.59
West Yorkshire Spinners Re:Treat Twist Chunky Yarn - Wool Chunky 9 options
West Yorkshire Spinners Re:Treat Twist Chunky Yarn - Wool Chunky

100% Wool, 153yds (140m)/100g (3.53oz), Bulky

$18.00
SALE MODE at Rowan Colourmix Yarn - Cotton Aran 6 options
MODE at Rowan Colourmix Yarn - Cotton Aran

47% Cotton 30% Wool 23% Alpaca, 109yds (100m)/50g (1.76oz), Aran

$9.60
$12.00
King Cole Luxury Yak DK Yarn - Merino Wool DK 12 options
King Cole Luxury Yak DK Yarn - Merino Wool DK

85% Merino Wool 15% Yak, 123yds (112m)/50g (1.76oz), DK | Light Worsted

$13.59
Berroco Gianna Yarn - Merino Wool Worsted 6 options
Berroco Gianna Yarn - Merino Wool Worsted

46% Merino Wool 26% Cotton 14% Baby Alpaca 14% Silk, 296yds (271m)/100g (3.53oz), Worsted

$28.00
King Cole Wool Aran Yarn - Superwash Wool 17 options
King Cole Wool Aran Yarn - Superwash Wool

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

$10.47
Circulo LOOMA 3/2 Weaving Yarn Yarn - Cotton Sport 31 options
Circulo LOOMA 3/2 Weaving Yarn Yarn - Cotton Sport

100% Cotton, 1445yds (1321m)/520g (18.34oz), Sport

$31.00
West Yorkshire Spinners Solstice 4ply Yarn - Wool Fingering 4 options
West Yorkshire Spinners Solstice 4ply Yarn - Wool Fingering

70% Wool 20% Lyocell 10% Cashmere, 437yds (400m)/100g (3.53oz), Fingering

$32.50
Stylecraft Batik Elements Swirl 100g Yarn - Acrylic DK 12 options
Stylecraft Batik Elements Swirl 100g Yarn - Acrylic DK

80% Acrylic 20% Wool, 301yds (275m)/100g (3.53oz), DK | Light Worsted

$9.09
Hayfield Bonus Super Chunky Yarn - Acrylic Super Chunky 34 options
Hayfield Bonus Super Chunky Yarn - Acrylic Super Chunky

100% Acrylic, 90yds (82m)/100g (3.53oz), Super Bulky

$5.60
Koigu Grevillea Shawl Set Yarn - Merino Wool 4 Ply 3 options
Koigu Grevillea Shawl Set Yarn - Merino Wool 4 Ply

100% Merino Wool, 476g (16.79oz), Fingering

$100.00
Cascade Yarns Heritage Tie Dye Yarn - Superwash Merino 4 Ply 14 options
Cascade Yarns Heritage Tie Dye Yarn - Superwash Merino 4 Ply

75% Merino Wool 25% Nylon, 437yds (400m)/100g (3.53oz), Fingering

$15.00
King Cole Cherished 4ply Yarn - Acrylic 4 Ply 7 options
King Cole Cherished 4ply Yarn - Acrylic 4 Ply

100% Acrylic, 410yds (375m)/100g (3.53oz), Fingering

$8.19
West Yorkshire Spinners The Croft Yarn - Wool Aran 3 options
West Yorkshire Spinners The Croft Yarn - Wool Aran

100% Wool, 182yds (166m)/100g (3.53oz), Aran

$19.70
King Cole Simply Denim DK Yarn - Cotton DK 8 options
King Cole Simply Denim DK Yarn - Cotton DK

50% Cotton 50% Acrylic, 306yds (280m)/100g (3.53oz), DK | Light Worsted

$7.73
Stylecraft Special XL Tweed Yarn - Acrylic Super Chunky 14 options
Stylecraft Special XL Tweed Yarn - Acrylic Super Chunky

97% Acrylic 3% Viscose, 74yds (68m)/100g (3.53oz), Super Bulky

$5.19
King Cole Velveteen Yarn - Polyester novelty 10 options
King Cole Velveteen Yarn - Polyester novelty

100% Polyester, 71yds (65m)/100g (3.53oz), Novelty

$10.91
Berroco Emberstone Yarn - Wool Chunky 6 options
Berroco Emberstone Yarn - Wool Chunky

46% Wool 33% Cotton 21% Alpaca, 159yds (145m)/100g (3.53oz), Bulky

$20.50
Stylecraft Colour Burst Yarn - Acrylic DK 13 options
Stylecraft Colour Burst Yarn - Acrylic DK

80% Acrylic 20% Polyamide, 350yds (320m)/100g (3.53oz), DK | Light Worsted

$5.29
Circulo LOOMA 10/2 Weaving Yarn Yarn - Cotton Lace 29 options
Circulo LOOMA 10/2 Weaving Yarn Yarn - Cotton Lace

100% Cotton, 4819yds (4406m)/520g (18.34oz), Lace | 2 Ply

$31.00
SALE Berroco Aurelia Yarn - Cotton Worsted 8 options
Berroco Aurelia Yarn - Cotton Worsted

74% Cotton 26% Merino Wool, 267yds (244m)/100g (3.53oz), Worsted

$16.50
$22.00
Circulo LOOMA 5/2 Weaving Yarn Yarn - Cotton 4 Ply 30 options
Circulo LOOMA 5/2 Weaving Yarn Yarn - Cotton 4 Ply

100% Cotton, 2409yds (2203m)/520g (18.34oz), Fingering

$31.00
King Cole Beaches DK Yarn - Acrylic DK 13 options
King Cole Beaches DK Yarn - Acrylic DK

70% Acrylic 30% Polyamide, 279yds (255m)/100g (3.53oz), DK | Light Worsted

$9.63
Stylecraft For the Love of Stripes Yarn - Acrylic Chunky 8 options
Stylecraft For the Love of Stripes Yarn - Acrylic Chunky

100% Acrylic, 157yds (144m)/100g (3.53oz), Bulky

$7.99
SALE Paintbox Yarns Simply Aran 5 Ball Color Pack Yarn - Acrylic Aran 5 options
Paintbox Yarns Simply Aran 5 Ball Color Pack Yarn - Acrylic Aran

100% Acrylic, 1006yds (920m)/500g (17.64oz), Aran

$13.81
$21.25
King Cole Comfort Baby DK Yarn - Acrylic DK 16 options
King Cole Comfort Baby DK Yarn - Acrylic DK

60% Acrylic 40% Nylon, 339yds (310m)/100g (3.53oz), DK | Light Worsted

$7.98
King Cole Cottonsoft Crystal DK Yarn - Cotton DK 6 options
King Cole Cottonsoft Crystal DK Yarn - Cotton DK

100% Cotton, 230yds (210m)/100g (3.53oz), DK | Light Worsted

$10.25
King Cole Safari Chunky Yarn - Acrylic Chunky 6 options
King Cole Safari Chunky Yarn - Acrylic Chunky

100% Acrylic, 312yds (285m)/150g (5.29oz), Bulky

$13.50
King Cole Warm and Toastie Yarn - Polyester novelty 27 options
King Cole Warm and Toastie Yarn - Polyester novelty

100% Polyester, 109yds (100m)/200g (7.06oz), Novelty

$10.64
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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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