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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 Worsted Yarn - Acrylic Worsted 146 options
Plymouth Yarn Encore Worsted Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 199yds (182m)/100g (3.53oz), Worsted

$6.80
$8.50
Malabrigo Rios Merino Worsted Yarn - Superwash Worsted 120 options
Malabrigo Rios Merino Worsted Yarn - Superwash Worsted

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

$17.90
SALE Cascade Yarns 220 Yarn - 100% Wool Worsted 111 options
Cascade Yarns 220 Yarn - 100% Wool Worsted

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

$9.76
$12.20
SALE Cascade Yarns 220 Superwash Merino Yarn DK 122 options
Cascade Yarns 220 Superwash Merino Yarn DK

100% Merino Wool, 220yds (201m)/100g (3.53oz), DK | Light Worsted

$11.20
$14.00
SALE Cascade Yarns 220 Superwash Yarn - Superwash Wool DK 201 options
Cascade Yarns 220 Superwash Yarn - Superwash Wool DK

100% Wool, 219yds (200m)/100g (3.53oz), DK | Light Worsted

$11.40
$14.25
Malabrigo Rasta Yarn - Merino Super Chunky 101 options
Malabrigo Rasta Yarn - Merino Super Chunky

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

$25.00
SALE Rowan Felted Tweed Yarn - Wool DK 73 options
Rowan Felted Tweed Yarn - Wool DK

50% Wool 25% Alpaca 25% Viscose, 191yds (175m)/50g (1.76oz), DK | Light Worsted

$13.20 - $16.50
$16.50
SALE Cascade Yarns Heritage Yarn - Superwash Merino 4 Ply 109 options
Cascade Yarns Heritage Yarn - Superwash Merino 4 Ply

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

$9.60
$12.00
Tahki Yarns Cotton Classic Yarn - Cotton DK 76 options
Tahki Yarns Cotton Classic Yarn - Cotton DK

100% Cotton, 107yds (98m)/50g (1.76oz), DK | Light Worsted

$6.99
$0.00
SALE Paintbox Yarns Cotton DK Yarn 81 options
Paintbox Yarns Cotton DK Yarn

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

$3.33
$4.75
Cascade Yarns Ultra Pima Fine Yarn - Cotton Sport 95 options
Cascade Yarns Ultra Pima Fine Yarn - Cotton Sport

100% Cotton, 137yds (125m)/50g (1.76oz), Sport

$7.25
SALE Cascade Yarns Ultra Pima Yarn - Cotton DK 109 options
Cascade Yarns Ultra Pima Yarn - Cotton DK

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

$11.20
$14.00
SALE Berroco Vintage Yarn - Acrylic Worsted 136 options
Berroco Vintage Yarn - Acrylic Worsted

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

$8.80
$11.00
SALE Valley Yarns Northampton Yarn - Wool Worsted 36 options
Valley Yarns Northampton Yarn - Wool Worsted

100% Wool, 247yds (226m)/100g (3.53oz), Worsted

$8.79
$10.99
SALE Valley Yarns Valley Superwash DK Yarn - Merino DK 33 options
Valley Yarns Valley Superwash DK Yarn - Merino DK

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

$6.79
$8.49
SALE Cascade Yarns 220 Superwash Sport Yarn - Merino Sport 88 options
Cascade Yarns 220 Superwash Sport Yarn - Merino Sport

100% Merino Wool, 137yds (125m)/50g (1.76oz), Sport

$5.60
$7.00
SALE Lopi Léttlopi (Lite Lopi) Yarn - Wool Worsted 45 options
Lopi Léttlopi (Lite Lopi) Yarn - Wool Worsted

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

$6.20 - $7.75
$7.75
Valley Yarns Huntington Yarn - Merino Wool 4 Ply 32 options
Valley Yarns Huntington Yarn - Merino Wool 4 Ply

75% Merino Wool 25% Nylon, 218yds (199m)/50g (1.76oz), Fingering

$7.49
Valley Yarns Valley Superwash Yarn - Merino Worsted 37 options
Valley Yarns Valley Superwash Yarn - Merino Worsted

100% Merino Wool, 97yds (89m)/50g (1.76oz), Worsted

$8.49
SALE Valley Yarns Southampton Yarn - Mohair Lace 50 options
Valley Yarns Southampton Yarn - Mohair Lace

72% Mohair 28% Silk, 230yds (210m)/25g (0.88oz), Lace | 2 Ply

$9.59
$11.99
Malabrigo Arroyo Merino Sport Yarn - Superwash Merino Sport 90 options
Malabrigo Arroyo Merino Sport Yarn - Superwash Merino Sport

100% Merino Wool, 335yds (306m)/100g (3.53oz), Sport

$22.00
SALE Cascade Yarns 220 Sport Yarn - Wool Sport 116 options
Cascade Yarns 220 Sport Yarn - Wool Sport

100% Wool, 164yds (150m)/50g (1.76oz), Sport

$4.80
$6.00
Malabrigo Mecha Merino Chunky Yarn - Superwash Merino Chunky 87 options
Malabrigo Mecha Merino Chunky Yarn - Superwash Merino Chunky

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

$16.90
Malabrigo Sock Merino 3 Ply Yarn - Superwash Merino 3 Ply 87 options
Malabrigo Sock Merino 3 Ply Yarn - Superwash Merino 3 Ply

100% Merino Wool, 440yds (402m)/100g (3.53oz), Light Fingering

$22.25
SALE Paintbox Yarns Cotton Aran Yarn 81 options
Paintbox Yarns Cotton Aran Yarn

100% Cotton, 93yds (85m)/50g (1.76oz), Aran

$3.33
$4.75
SALE Berroco Ultra Alpaca Yarn - Alpaca Worsted 94 options
Berroco Ultra Alpaca Yarn - Alpaca Worsted

50% Alpaca 50% Wool, 217yds (198m)/100g (3.53oz), Worsted

$13.20
$16.50
SALE Berroco Vintage Chunky Yarn - Acrylic Chunky 74 options
Berroco Vintage Chunky Yarn - Acrylic Chunky

52% Acrylic 40% Wool 8% Nylon, 136yds (124m)/100g (3.53oz), Bulky

$8.40
$10.50
Malabrigo Mechita Merino 4 Ply Yarn - Superwash Merino 4 Ply 90 options
Malabrigo Mechita Merino 4 Ply Yarn - Superwash Merino 4 Ply

100% Merino Wool, 420yds (384m)/100g (3.53oz), Fingering

$22.25
SALE Cascade Yarns 128 Superwash Yarn - Superwash Merino Chunky 100 options
Cascade Yarns 128 Superwash Yarn - Superwash Merino Chunky

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

$10.72
$13.40
SALE Debbie Bliss Baby Cashmerino Yarn - Merino Wool Sport 87 options
Debbie Bliss Baby Cashmerino Yarn - Merino Wool Sport

55% Merino Wool 33% Acrylic 12% Cashmere, 137yds (125m)/50g (1.76oz), Sport

$8.25
$11.00
Cascade Yarns 220 Fingering Yarn - Wool 4 Ply 108 options
Cascade Yarns 220 Fingering Yarn - Wool 4 Ply

100% Wool, 273yds (250m)/50g (1.76oz), Fingering

$5.75
SALE Plymouth Yarn Encore Chunky Yarn - Acrylic Chunky 49 options
Plymouth Yarn Encore Chunky Yarn - Acrylic Chunky

75% Acrylic 25% Wool, 142yds (130m)/100g (3.53oz), Bulky

$6.38
$8.50
SALE Rowan Kidsilk Haze Yarn - Mohair Lace 107 options
Rowan Kidsilk Haze Yarn - Mohair Lace

70% Mohair 30% Silk, 230yds (210m)/25g (0.88oz), Lace | 2 Ply

$14.18
$18.90
SALE Plymouth Yarn Encore Worsted Colorspun Yarn - Acrylic Worsted 85 options
Plymouth Yarn Encore Worsted Colorspun Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 199yds (182m)/100g (3.53oz), Worsted

$7.60
$9.50
Valley Yarns Haydenville Yarn - Superwash Merino Worsted 32 options
Valley Yarns Haydenville Yarn - Superwash Merino Worsted

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

$10.99
Valley Yarns Haydenville DK Yarn - Superwash Merino 31 options
Valley Yarns Haydenville DK Yarn - Superwash Merino

60% Merino Wool 40% Acrylic, 136yds (124m)/50g (1.76oz), DK | Light Worsted

$6.25
SALE Blue Sky Fibers Organic Worsted Cotton Yarn - Cotton Worsted 36 options
Blue Sky Fibers Organic Worsted Cotton Yarn - Cotton Worsted

100% Cotton, 150yds (137m)/100g (3.53oz), Worsted

$14.24
$17.80
Valley Yarns Berkshire Bulky Yarn - Wool Chunky 24 options
Valley Yarns Berkshire Bulky Yarn - Wool Chunky

85% Wool 15% Alpaca, 108yds (99m)/100g (3.53oz), Bulky

$10.49
SALE Plymouth Yarn Select DK Merino Superwash Yarn 64 options
Plymouth Yarn Select DK Merino Superwash Yarn

100% Merino Wool, 129yds (118m)/50g (1.76oz), DK | Light Worsted

$6.74
$8.99
SALE Lopi Álafosslopi (Lopi) Yarn - Wool Chunky 49 options
Lopi Álafosslopi (Lopi) Yarn - Wool Chunky

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

$10.80 - $13.50
$13.50
SALE Berroco Vintage DK Yarn - Acrylic DK 74 options
Berroco Vintage DK Yarn - Acrylic DK

52% Acrylic 40% Wool 8% Nylon, 288yds (263m)/100g (3.53oz), DK | Light Worsted

$8.40
$10.50
SALE Blue Sky Fibers Woolstok 50 Yarn - Wool Worsted 28 options
Blue Sky Fibers Woolstok 50 Yarn - Wool Worsted

100% Wool, 123yds (112m)/50g (1.76oz), Worsted

$8.40
$10.50
SALE Berroco Ultra Wool Yarn - Superwash Wool Aran 96 options
Berroco Ultra Wool Yarn - Superwash Wool Aran

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

$10.69
$14.25
Brown Sheep Lamb's Pride Worsted Yarn - Wool Worsted 70 options
Brown Sheep Lamb's Pride Worsted Yarn - Wool Worsted

85% Wool 15% Mohair, 189yds (173m)/113g (3.99oz), Worsted

$15.80
Brown Sheep Lamb's Pride Bulky Yarn - Wool Chunky 68 options
Brown Sheep Lamb's Pride Bulky Yarn - Wool Chunky

85% Wool 15% Mohair, 125yds (114m)/100g (3.53oz), Bulky

$15.80
SALE Universal Yarn Bamboo Pop Yarn - Bamboo DK 72 options
Universal Yarn Bamboo Pop Yarn - Bamboo DK

50% Bamboo 50% Cotton, 291yds (266m)/100g (3.53oz), DK | Light Worsted

$8.80
$11.00
Valley Yarns Charlemont Yarn - Superwash Merino 4 Ply 19 options
Valley Yarns Charlemont Yarn - Superwash Merino 4 Ply

60% Merino Wool 20% Silk 20% Polyamide, 439yds (401m)/100g (3.53oz), Fingering

$17.49
Malabrigo Washted Merino Worsted Yarn 41 options
Malabrigo Washted Merino Worsted Yarn

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

$16.50
SALE Valley Yarns Southwick Yarn - Cotton DK 25 options
Valley Yarns Southwick Yarn - Cotton DK

52% Cotton 48% Bamboo, 105yds (96m)/50g (1.76oz), DK | Light Worsted

$6.39
$7.99
Valley Yarns Valley Superwash Sport Yarn 31 options
Valley Yarns Valley Superwash Sport Yarn

100% Merino Wool, 153yds (140m)/50g (1.76oz), Sport

$8.49
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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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