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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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Noro Kakigori 32 options
Noro Kakigori

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

$47.50
Paintbox Yarns Wool Blend DK 30 options
Paintbox Yarns Wool Blend DK

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

$6.75
SALE Tahki Yarns Reno 12 options
Tahki Yarns Reno

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

$9.09
$12.99
Tahki Yarns Tiburon 15 options
Tahki Yarns Tiburon

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

$8.99
SALE Juniper Moon Farm Herriot 78 options
Juniper Moon Farm Herriot

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

$20.76
$25.95
MillaMia Naturally Soft Aran 40 options
MillaMia Naturally Soft Aran

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

$11.00
SALE Elsebeth Lavold Silky Wool Aran 26 options
Elsebeth Lavold Silky Wool Aran

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

$10.16
$11.95
SALE Cascade Yarns 220 Superwash Aran Wave 21 options
Cascade Yarns 220 Superwash Aran Wave

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

$11.92
$14.90
SALE Lang Yarns Snowflake 9 options
Lang Yarns Snowflake

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

$9.00 - $18.00
$18.00
Blue Sky Fibers Skyland 11 options
Blue Sky Fibers Skyland

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

$30.50
SALE Berroco Pima Soft 33 options
Berroco Pima Soft

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

$7.01
$9.35
Noro Madara 35 options
Noro Madara

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

$28.50
SALE Tahki Yarns Osprey 6 options
Tahki Yarns Osprey

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

$7.69
$10.99
SALE Malabrigo Metamorphosis Sock 11 options
Malabrigo Metamorphosis Sock

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

$18.00
$24.00
Cascade Yarns Botanika 16 options
Cascade Yarns Botanika

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

$12.50
Debbie Bliss Piper 20 options
Debbie Bliss Piper

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

$10.50
Willow & Lark Ramble 37 options
Willow & Lark Ramble

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

$8.00
Blue Sky Fibers Suri Merino Worsted 7 options
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 43 options
Cascade Yarns Pandamonium

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

$8.50
Debbie Bliss Rialto 4 Ply 43 options
Debbie Bliss Rialto 4 Ply

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

$11.00
Debbie Bliss Merion 14 options
Debbie Bliss Merion

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

$11.50
Berroco Wizard 13 options
Berroco Wizard

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

$25.00
SALE Berroco Aerial Color 10 options
Berroco Aerial Color

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

$12.80
$16.00
Cascade Yarns Eco Duo 13 options
Cascade Yarns Eco Duo

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

$19.00
Willow & Lark Poetry 19 options
Willow & Lark Poetry

60% Merino Wool 30% Microfibre 10% Camel, 126yds (115m)/50g (1.76oz), DK | Light Worsted

$8.00
Queensland Collection Coastal Cotton 30 options
Queensland Collection Coastal Cotton

100% Cotton, 185yds (169m)/100g (3.53oz), Worsted

$7.95
Debbie Bliss Rialto Aran 16 options
Debbie Bliss Rialto Aran

100% Merino Wool, 85yds (78m)/50g (1.76oz), Aran

$11.00
SALE Berroco Spree 28 options
Berroco Spree

56% Wool 44% Cotton, 142yds (130m)/50g (1.76oz), DK | Light Worsted

$9.60
$12.00
Debbie Bliss Angel 53 options
Debbie Bliss Angel

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

$15.75
SALE Universal Yarn Wool Pop 30 options
Universal Yarn Wool Pop

50% Bamboo 35% Wool 15% Polyamide, 284yds (260m)/100g (3.53oz), DK | Light Worsted

$12.00
$15.00
SALE Juniper Moon Farm Beatrix 24 options
Juniper Moon Farm Beatrix

54% Merino Wool 30% Angora 16% Nylon, 109yds (100m)/50g (1.76oz), Bulky

$17.56
$21.95
SALE Rowan Sock 12 options
Rowan Sock

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

$11.25
$22.50
Paintbox Yarns Baby DK 25 options
Paintbox Yarns Baby DK

55% Nylon 45% Acrylic, 183yds (167m)/50g (1.76oz), DK | Light Worsted

$5.00
Manos del Uruguay Milo 15 options
Manos del Uruguay Milo

65% Merino Wool 35% Linen, 380yds (347m)/100g (3.53oz), DK | Light Worsted

$34.00
SALE Trendsetter Yarns Heavenly 7 options
Trendsetter Yarns Heavenly

52% Cotton 41% Viscose 7% Polyamide, 125yds (114m)/50g (1.76oz), Worsted

$5.25
$10.50
SALE Juniper Moon Farm Herriot Great 52 options
Juniper Moon Farm Herriot Great

100% Baby Alpaca, 131yds (120m)/100g (3.53oz), Bulky

$20.76
$25.95
SALE Lang Linello 17 options
Lang Linello

40% Linen 32% Cotton 28% Viscose, 306yds (280m)/100g (3.53oz), Worsted

$15.75
$21.00
Debbie Bliss Dulcie 13 options
Debbie Bliss Dulcie

47% Cotton 47% Acrylic 6% Nylon, 82yds (75m)/50g (1.76oz), Bulky

$8.00
Valley Yarns Valley Superwash 100 Gram Hanks
Valley Yarns Valley Superwash 100 Gram Hanks

100% Merino Wool, 194yds (177m)/100g (3.53oz), Worsted

$12.49
Juniper Moon Farm Summer Solstice 21 options
Juniper Moon Farm Summer Solstice

48% Linen 24% Cotton 24% Viscose 4% Polyester, 295yds (270m)/100g (3.53oz), Sport

$21.50
Cascade Yarns 220 Grande 30 options
Cascade Yarns 220 Grande

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

$23.25
Debbie Bliss Saphia 14 options
Debbie Bliss Saphia

43% Baby Alpaca 42% Merino Wool 15% Linen, 109yds (100m)/100g (3.53oz), Bulky

$16.50
Koigu Othello Merino 15 options
Koigu Othello Merino

100% Merino Wool, 95yds (87m)/100g (3.53oz), Bulky

$29.00
Plymouth Yarn Highland Wool Souffle 8 options
Plymouth Yarn Highland Wool Souffle

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

$15.99
SALE Queensland Collection Kathmandu Aran 100 17 options
Queensland Collection Kathmandu Aran 100

85% Merino Wool 10% Silk 5% Cashmere, 208yds (190m)/100g (3.53oz), Worsted

$22.36
$27.95
SALE Trendsetter Yarns Tiger 10 options
Trendsetter Yarns Tiger

30% Baby Alpaca 30% Merino Wool 40% Nylon, 220yds (201m)/50g (1.76oz), Aran

$6.53
$14.50
SALE Malabrigo Seis Cabos 28 options
Malabrigo Seis Cabos

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

$13.20
$17.60
SALE Trendsetter Yarns Blink 13 options
Trendsetter Yarns Blink

90% Cotton 10% Polyamide, 110yds (101m)/50g (1.76oz), Worsted

$6.00
$12.00
SALE Berroco Vintage Baby Handpaint 9 options
Berroco Vintage Baby Handpaint

52% Acrylic 40% Wool 8% Nylon, 145yds (133m)/50g (1.76oz), DK | Light Worsted

$7.40
$9.25
Valley Yarns Huntington Coned Sock Yarn - 2lb Cone
Valley Yarns Huntington Coned Sock Yarn - 2lb Cone

75% Merino Wool 25% Nylon, 4260yds (3895m)/998g (35.2oz), Fingering

$94.49
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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.