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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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Plymouth Yarn Homestead Tweed

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

$11.19 - $13.99
$13.99
Noro Silk Garden Solo

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

$12.40 - $15.50
$15.50
Debbie Bliss Fine Donegal

95% Wool 5% Cashmere, 416yds (380m)/100g (3.53oz), Fingering

$19.50
$26.00
Blue Sky Fibers Printed Organic Cotton Worsted

100% Cotton, 153yds (140m)/100g (3.53oz), Worsted

$15.60
$19.50
Sirdar Snuggly Cashmere Merino Silk DK

75% Merino Wool 20% Silk 5% Cashmere, 127yds (116m)/50g (1.76oz), DK | Light Worsted

$10.40 - $13.00
$13.00
Blue Sky Fibers Sweater

55% Wool 45% Cotton, 160yds (146m)/100g (3.53oz), Worsted

$21.25
Stacy Charles Fine Yarns Janelle

68% Cotton 22% Baby Alpaca 10% Merino Wool, 121yds (111m)/50g (1.76oz), Heavy Worsted, Worsted

$11.20
$16.00
Juniper Moon Farm Cumulus Rainbow

94% Cotton 6% Nylon, 251yds (230m)/100g (3.53oz), Worsted

$20.21 - $26.95
$26.95
Sirdar Snuggly Baby Bamboo DK

80% Bamboo 20% Wool, 104yds (95m)/50g (1.76oz), DK | Light Worsted

$7.20 - $9.00
$9.00
Hayfield Soft Twist

90% Acrylic 10% Merino Wool, 354yds (324m)/100g (3.53oz), DK | Light Worsted

$4.66
$6.65
Paintbox Yarns 100% Wool Chunky Superwash

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

$12.00
Debbie Bliss Paloma

60% Baby Alpaca 40% Merino Wool, 71yds (65m)/50g (1.76oz), Super Bulky

$11.81
$15.75
Cascade Yarns 220 Superwash Sport Wave

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

$13.00
Lang Yarns Cloud

90% Merino Wool 10% Nylon, 284yds (260m)/100g (3.53oz), Bulky

$30.00
Manos del Uruguay Franca

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

$33.00 - $44.00
$44.00
Blue Sky Fibers Techno

68% Alpaca 22% Silk 10% Merino Wool, 119yds (109m)/50g (1.76oz), Bulky

$26.50
Rowan Cotton Wool

60% Cotton 40% Wool, 142yds (130m)/50g (1.76oz), DK | Light Worsted

$9.98
$19.95
Paintbox Yarns Wool Blend Worsted

75% Acrylic 25% Wool, 219yds (200m)/100g (3.53oz), Worsted

$6.50
Cascade Yarns Sarasota Worsted

60% Cotton 40% Acrylic, 208yds (190m)/100g (3.53oz), Worsted

$5.60
$7.00
Cascade Yarns 220 Superwash Grande

100% Wool, 220yds (201m)/200g (7.06oz), Bulky

$18.80
$23.50
Juniper Moon Farm Cumulus Dappled

94% Cotton 6% Nylon, 251yds (230m)/100g (3.53oz), Worsted

$26.95
Noro Kakigori

50% Cotton 30% Silk 10% Viscose 10% Polyamide, 660yds (604m)/200g (7.06oz), DK | Light Worsted

$38.00 - $47.50
$47.50
Berroco Millefiori Light

50% Wool 50% Acrylic, 350yds (320m)/100g (3.53oz), Sport

$17.00
Cascade Yarns Woolpaka

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

$14.00
Paintbox Yarns Socks

75% Wool 25% Polyamide, 427yds (390m)/100g (3.53oz), Fingering

$11.50
Paintbox Yarns Wool Blend DK

75% Acrylic 25% Wool, 284yds (260m)/100g (3.53oz), DK | Light Worsted

$4.55
$6.50
Tahki Yarns Tiburon

50% Cotton 50% Lyocell, 110yds (101m)/50g (1.76oz), DK | Light Worsted

$8.99
Cascade Yarns Cotton Sox

89% Cotton 11% Nylon, 433yds (396m)/100g (3.53oz), Sport

$8.25
$11.00
Juniper Moon Farm Herriot

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

$20.76 - $25.95
$25.95
Tahki Yarns Reno

45% Merino Wool 37% Bamboo 10% Yak 8% Polyamide, 110yds (101m)/50g (1.76oz), DK | Light Worsted

$9.09
$12.99
Elsebeth Lavold Silky Wool Aran

45% Wool 35% Silk 20% Nylon, 104yds (95m)/50g (1.76oz), Worsted

$11.95
MillaMia Naturally Soft Aran

100% Merino Wool, 87yds (80m)/50g (1.76oz), Aran

$7.70
$11.00
Cascade Yarns 220 Superwash Aran Wave

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

$13.00
Lang Yarns Snowflake

47% Cotton 42% Alpaca 7% Nylon 4% Wool, 126yds (115m)/50g (1.76oz), Worsted

$9.00
$18.00
Noro Yukata

50% Silk 25% Wool 25% Polyamide, 787yds (720m)/200g (7.06oz), Sport

$49.95
Blue Sky Fibers Skyland

40% Wool 30% Alpaca 30% Silk, 210yds (192m)/100g (3.53oz), DK | Light Worsted

$30.50
Berroco Pima Soft

100% Cotton, 124yds (113m)/50g (1.76oz), DK | Light Worsted

$9.35
Noro Madara

60% Wool 10% Alpaca 30% Silk, 219yds (200m)/100g (3.53oz), Worsted

$22.80 - $28.50
$28.50
Tahki Yarns Osprey

87% Cotton 13% Polyamide, 148yds (135m)/50g (1.76oz), DK | Light Worsted

$7.69
$10.99
Malabrigo Metamorphosis Sock

100% Merino Wool, 400yds (366m)/100g (3.53oz), Fingering

$24.00
Cascade Yarns Botanika

100% Cotton, 328yds (300m)/100g (3.53oz), Sport

$10.00
$12.50
Willow & Lark Ramble

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

$8.00
Blue Sky Fibers Suri Merino Worsted

60% Baby Alpaca 40% Merino Wool, 164yds (150m)/100g (3.53oz), DK | Light Worsted

$26.50
Cascade Yarns Pandamonium

55% Cotton 45% Viscose, 273yds (250m)/100g (3.53oz), DK | Light Worsted

$8.50
Debbie Bliss Piper

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

$7.88
$10.50
Plymouth Yarn Encore Chunky Colorspun

75% Acrylic 25% Wool, 143yds (131m)/100g (3.53oz), Bulky

$6.39
$7.99
Debbie Bliss Rialto 4 Ply

100% Merino Wool, 197yds (180m)/50g (1.76oz), Fingering

$11.00
Debbie Bliss Merion

50% Wool 50% Acrylic, 109yds (100m)/100g (3.53oz), Bulky

$8.63
$11.50
Berroco Wizard

85% Merino Wool 15% Nylon, 262yds (240m)/100g (3.53oz), Bulky

$20.00 - $25.00
$25.00
Cascade Yarns Eco Duo

70% Baby Alpaca 30% Merino Wool, 197yds (180m)/100g (3.53oz), Aran

$19.00
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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.