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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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Rowan Brushed Fleece 30 options
Rowan Brushed Fleece

65% Wool 30% Alpaca 5% Polyamide, 115yds (105m)/50g (1.76oz), Bulky

$16.25
Sesia Bio Bimbo 19 options
Sesia Bio Bimbo

100% Cotton, 196yds (179m)/50g (1.76oz), Fingering

$10.99
Sirdar Country Classic Worsted 30 options
Sirdar Country Classic Worsted

50% Wool 50% Acrylic, 218yds (199m)/100g (3.53oz), Worsted

$9.50
Paintbox Yarns Cotton 4 ply 31 options
Paintbox Yarns Cotton 4 ply

100% Cotton, 186yds (170m)/50g (1.76oz), Fingering

$3.75
Juniper Moon Farm Cumulus 51 options
Juniper Moon Farm Cumulus

94% Cotton 6% Nylon, 250yds (229m)/100g (3.53oz), Worsted

$23.95
SALE Rowan Kid Classic 55 options
Rowan Kid Classic

70% Wool 22% Mohair 8% Polyamide, 153yds (140m)/50g (1.76oz), Aran

$12.20
$15.25
SALE MillaMia Naturally Soft Merino 41 options
MillaMia Naturally Soft Merino

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

$7.70
$11.00
Cascade Yarns Heritage 6 52 options
Cascade Yarns Heritage 6

75% Merino Wool 25% Nylon, 292yds (267m)/100g (3.53oz), Sport

$11.50
Debbie Bliss Cotton DK 46 options
Debbie Bliss Cotton DK

100% Cotton, 92yds (84m)/50g (1.76oz), DK | Light Worsted

$6.50
Koigu KPM 18 options
Koigu KPM

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

$15.00
SALE Blue Sky Fibers Metalico 14 options
Blue Sky Fibers Metalico

50% Alpaca 50% Silk, 148yds (135m)/50g (1.76oz), Sport

$16.40
$20.50
Elsebeth Lavold Silky Wool 79 options
Elsebeth Lavold Silky Wool

45% Wool 35% Silk 20% Nylon, 192yds (176m)/50g (1.76oz), DK | Light Worsted

$11.95
SALE Blue Sky Fibers Woolstok Mini Hank Bundle 11 options
Blue Sky Fibers Woolstok Mini Hank Bundle

100% Wool, 252yds (230m)/5g (0.18oz), Worsted

$23.40
$36.00
Noro Ito 59 options
Noro Ito

100% Wool, 437yds (400m)/200g (7.06oz), Worsted

$52.50
SALE Ella Rae Cashmereno Aran 48 options
Ella Rae Cashmereno Aran

55% Merino Wool 33% Acrylic 12% Cashmere, 196yds (179m)/100g (3.53oz), Aran

$9.99
$19.95
SALE Berroco Summer Sesame 22 options
Berroco Summer Sesame

47% Cotton 44% Acrylic 9% Nylon, 295yds (270m)/100g (3.53oz), DK | Light Worsted

$13.60
$17.00
SALE Universal Yarn Bamboo Bloom Handpaints 32 options
Universal Yarn Bamboo Bloom Handpaints

48% Rayon 44% Wool 8% Acrylic, 153yds (140m)/100g (3.53oz), Bulky

$10.80
$13.50
SALE Cascade Yarns Cantata 36 options
Cascade Yarns Cantata

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

$8.00
$10.00
SALE Tahki Yarns Aurora 7 options
Tahki Yarns Aurora

70% Merino Wool 30% Acrylic, 261yds (239m)/100g (3.53oz), Worsted

$13.49
$17.99
SALE Sesia Pigalle 13 options
Sesia Pigalle

71% Mohair 20% Silk 5% Metallic 4% Polyamide, 229yds (209m)/25g (0.88oz), DK | Light Worsted

$12.24
$17.49
SALE Universal Yarn Deluxe Worsted Tweed Superwash 26 options
Universal Yarn Deluxe Worsted Tweed Superwash

90% Wool 7% Acrylic 3% Viscose, 219yds (200m)/100g (3.53oz), Worsted

$10.40
$13.00
SALE Cascade Yarns Cherub Aran Prints 17 options
Cascade Yarns Cherub Aran Prints

55% Nylon 45% Acrylic, 240yds (219m)/100g (3.53oz), Aran

$5.20
$6.50
Rowan Creative Linen 29 options
Rowan Creative Linen

50% Linen 50% Cotton, 219yds (200m)/100g (3.53oz), DK | Light Worsted

$17.85
SALE Paintbox Yarns Wool Mix Super Chunky 60 options
Paintbox Yarns Wool Mix Super Chunky

50% Wool 50% Acrylic, 60yds (55m)/100g (3.53oz), Super Bulky

$6.65
$9.50
SALE Plymouth Yarn Baby Alpaca Worsted 40 options
Plymouth Yarn Baby Alpaca Worsted

100% Baby Alpaca, 205yds (187m)/100g (3.53oz), Worsted

$19.49
$25.99
SALE Tahki Yarns Cotton Classic Twist 10 options
Tahki Yarns Cotton Classic Twist

100% Cotton, 108yds (99m)/50g (1.76oz), DK | Light Worsted

$5.62
$7.49
SALE Ella Rae Marmel Duo 14 options
Ella Rae Marmel Duo

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

$11.40
$19.00
SALE Berroco Ultra Alpaca Natural 10 options
Berroco Ultra Alpaca Natural

50% Alpaca 50% Wool, 215yds (197m)/100g (3.53oz), Worsted

$12.80
$16.00
SALE Ella Rae Eco Organic Cotton 25 options
Ella Rae Eco Organic Cotton

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

$8.37
$13.95
SALE Berroco Remix Chunky 23 options
Berroco Remix Chunky

30% Nylon 27% Cotton 24% Acrylic 10% Silk 9% Linen, 139yds (127m)/100g (3.53oz), Bulky

$11.20
$14.00
Paintbox Yarns Wool Mix Aran 60 options
Paintbox Yarns Wool Mix Aran

50% Wool 50% Acrylic, 197yds (180m)/100g (3.53oz), Aran

$9.50
Rowan Felted Tweed Colour 11 options
Rowan Felted Tweed Colour

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

$18.90
SALE Stacy Charles Fine Yarns Gwen 14 options
Stacy Charles Fine Yarns Gwen

95% Wool 5% Polyamide, 88yds (80m)/50g (1.76oz), Worsted

$5.99
$12.00
Sirdar Snuggly Cashmere Merino Silk 4-Ply 8 options
Sirdar Snuggly Cashmere Merino Silk 4-Ply

75% Merino Wool 20% Silk 5% Cashmere, 186yds (170m)/50g (1.76oz), Fingering

$13.00
SALE Ella Rae Cashmereno Sport 45 options
Ella Rae Cashmereno Sport

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

$9.56
$11.95
Noro Malvinas 32 options
Noro Malvinas

100% Wool, 328yds (300m)/150g (5.29oz), Worsted

$31.50
Blue Sky Fibers Extra 19 options
Blue Sky Fibers Extra

55% Alpaca 45% Merino Wool, 218yds (199m)/150g (5.29oz), Aran

$32.00
Malabrigo Mohair 14 options
Malabrigo Mohair

72% Mohair 28% Silk, 229yds (209m)/25g (0.88oz), Lace | 2 Ply

$15.20
Malabrigo Verano 18 options
Malabrigo Verano

100% Cotton, 205yds (187m)/100g (3.53oz), DK | Light Worsted

$16.40
Sirdar Snuggly Bunny 8 options
Sirdar Snuggly Bunny

100% Nylon, 98yds (90m)/50g (1.76oz), Worsted

$6.20
SALE Sirdar Haworth Tweed 12 options
Sirdar Haworth Tweed

50% Merino Wool 50% Nylon, 180yds (165m)/50g (1.76oz), DK | Light Worsted

$4.38
$8.75
SALE Debbie Bliss Donegal Luxury Tweed Aran 43 options
Debbie Bliss Donegal Luxury Tweed Aran

100% Wool, 96yds (88m)/50g (1.76oz), Aran

$9.45
$13.50
Universal Yarn Uptown DK 74 options
Universal Yarn Uptown DK

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

$7.75
MillaMia Naturally Soft Super Chunky 24 options
MillaMia Naturally Soft Super Chunky

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

$15.00
SALE Berroco Lanas Quick 30 options
Berroco Lanas Quick

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

$10.00
$12.50
SALE Cascade Yarns Spuntaneous 22 options
Cascade Yarns Spuntaneous

100% Merino Wool, 109yds (100m)/200g (7.06oz), Super Bulky

$21.60
$27.00
SALE Cascade Yarns Aegean Tweed 30 options
Cascade Yarns Aegean Tweed

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

$10.40
$13.00
SALE Stacy Charles Fine Yarns Mariah 8 options
Stacy Charles Fine Yarns Mariah

83% Merino Wool 17% Polyamide, 137yds (125m)/50g (1.76oz), Worsted

$11.20
$16.00
SALE Plymouth Yarn Homestead Tweed 11 options
Plymouth Yarn Homestead Tweed

100% Wool, 191yds (175m)/100g (3.53oz), Aran

$11.19
$13.99
SALE Noro Silk Garden Solo 43 options
Noro Silk Garden Solo

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

$12.40
$15.50
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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.