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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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Stylecraft Soft Baby Easy Stripes 8 options
Stylecraft Soft Baby Easy Stripes

50% Acrylic 50% Polyamide, 322yds (294m)/100g (3.53oz), DK | Light Worsted

$6.49
King Cole Cherished DK 48 options
King Cole Cherished DK

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

$7.17
King Cole Tinsel Chunky 45 options
King Cole Tinsel Chunky

75% Polyester 25% Metallic, 77yds (70m)/50g (1.76oz), Bulky

$5.66
Stylecraft Easy Fair Isle Effect Aran 6 options
Stylecraft Easy Fair Isle Effect Aran

100% Acrylic, 262yds (240m)/100g (3.53oz), Aran

$8.39
Stylecraft Special Aran with Wool Nepp 10 options
Stylecraft Special Aran with Wool Nepp

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

$19.19
Stylecraft Wonderland Chunky 4 options
Stylecraft Wonderland Chunky

99% Acrylic 1% Polyester, 208yds (190m)/100g (3.53oz), Bulky

$9.39
SALE Paintbox Yarns Cotton DK 10 Ball Value Pack 79 options
Paintbox Yarns Cotton DK 10 Ball Value Pack

100% Cotton, 137yds (125m)/500g (17.64oz), DK | Light Worsted

$28.50
$47.50
King Cole Luxury Merino DK 34 options
King Cole Luxury Merino DK

100% Merino Wool, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$10.47
Paintbox Yarns Simply DK 10 Ball Color Pack 28 options
Paintbox Yarns Simply DK 10 Ball Color Pack

100% Acrylic, 302yds (276m)/1000g (35.27oz), DK | Light Worsted

$42.50
Plymouth Yarn Sonnet 4 options
Plymouth Yarn Sonnet

60% Merino Wool 20% Silk 20% Bamboo, 382yds (349m)/100g (3.53oz), Sport

$23.99
SALE Plymouth Yarn Plymouth Bay 7 options
Plymouth Yarn Plymouth Bay

80% Acrylic 20% Wool, 76yds (69m)/200g (7.06oz), Super Bulky

$7.20
$15.99
SALE West Yorkshire Spinners Re:Treat Super Chunky 14 options
West Yorkshire Spinners Re:Treat Super Chunky

100% Wool, 131yds (120m)/200g (7.06oz), Super Bulky

$22.00
$27.50
SALE Paintbox Yarns Simply Aran 5 Ball Value Pack 82 options
Paintbox Yarns Simply Aran 5 Ball Value Pack

100% Acrylic, 201yds (184m)/500g (17.64oz), Aran

$13.50
$22.50
Paintbox Yarns Recycled T-Shirt 450g 22 options
Paintbox Yarns Recycled T-Shirt 450g

90% Cotton 10% Synthetic, 71yds (65m)/450g (15.87oz), Super Bulky

$8.50
SALE Paintbox Yarns Cotton Aran 5 Ball Value Pack 79 options
Paintbox Yarns Cotton Aran 5 Ball Value Pack

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

$14.25
$23.75
King Cole Comfort Chunky 32 options
King Cole Comfort Chunky

60% Acrylic 40% Nylon, 116yds (106m)/100g (3.53oz), Bulky

$9.18
Stylecraft Baby Sparkle DK 8 options
Stylecraft Baby Sparkle DK

98% Acrylic 2% Synthetic, 243yds (222m)/100g (3.53oz), DK | Light Worsted

$6.09
King Cole Yummy Rose 4 options
King Cole Yummy Rose

100% Polyester, 87yds (80m)/100g (3.53oz), Novelty

$9.26
Paintbox Yarns Recycled T-Shirt 22 options
Paintbox Yarns Recycled T-Shirt

90% Cotton 10% Synthetic, 120yds (110m)/800g (28.22oz), Super Bulky

$12.00
King Cole Super Yummy 7 options
King Cole Super Yummy

100% Polyester, 44yds (40m)/100g (3.53oz), Super Bulky

$9.54
Malabrigo Caracol On Black 7 options
Malabrigo Caracol On Black

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

$25.75
Stylecraft Chromatic DK 8 options
Stylecraft Chromatic DK

80% Acrylic 20% Wool, 339yds (310m)/100g (3.53oz), DK | Light Worsted

$9.09
Lion Brand Babysoft 21 options
Lion Brand Babysoft

60% Acrylic 40% Nylon, 459yds (420m)/140g (4.94oz), DK | Light Worsted

$7.99
Stylecraft Special for Babies Aran 7 options
Stylecraft Special for Babies Aran

100% Acrylic, 201yds (184m)/100g (3.53oz), Aran

$4.79
SALE Paintbox Yarns Cotton DK 5 Ball Value Pack 80 options
Paintbox Yarns Cotton DK 5 Ball Value Pack

100% Cotton, 137yds (125m)/250g (8.82oz), DK | Light Worsted

$14.25
$23.75
SALE King Cole Baby Alpaca DK 30 options
King Cole Baby Alpaca DK

100% Baby Alpaca, 109yds (100m)/50g (1.76oz), DK | Light Worsted

$9.92
$13.23
SALE King Cole Harvest DK 13 options
King Cole Harvest DK

90% Acrylic 10% Alpaca, 585yds (535m)/150g (5.29oz), DK | Light Worsted

$10.88
$14.51
Stylecraft Batik Swirl DK 8 options
Stylecraft Batik Swirl DK

80% Acrylic 20% Wool, 601yds (550m)/200g (7.06oz), DK | Light Worsted

$18.89
SALE King Cole Big Value Tweed DK 30 options
King Cole Big Value Tweed DK

98% Acrylic 2% Viscose, 317yds (290m)/100g (3.53oz), DK | Light Worsted

$4.76
$6.34
Rowan Juleteppe Knit Along by ARNE & CARLOS 6 options
Rowan Juleteppe Knit Along by ARNE & CARLOS

100% Wool, 2187yds (2000m)/800g (28.22oz), DK | Light Worsted

$78.00 - $179.00
King Cole Zigzag 4Ply 9 options
King Cole Zigzag 4Ply

75% Wool 25% Nylon, 459yds (420m)/100g (3.53oz), Fingering

$14.23
Stylecraft Bella Bella 6 options
Stylecraft Bella Bella

100% Acrylic, 159yds (145m)/100g (3.53oz), Bulky

$8.59
Stylecraft Highland Heathers Aran 11 options
Stylecraft Highland Heathers Aran

100% Acrylic, 201yds (184m)/100g (3.53oz), Aran

$5.99
Rowan Baby Cashsoft Worsted 12 options
Rowan Baby Cashsoft Worsted

57% Merino Wool 33% Acrylic 10% Cashmere, 82yds (75m)/50g (1.76oz), Worsted

$13.00
King Cole Merino Blend 4 Ply 51 options
King Cole Merino Blend 4 Ply

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

$8.14
SALE King Cole Cosy Love Aran 7 options
King Cole Cosy Love Aran

100% Acrylic, 232yds (212m)/100g (3.53oz), Aran

$6.95
$9.27
SALE King Cole Nordic Chunky 14 options
King Cole Nordic Chunky

80% Acrylic 20% Merino Wool, 219yds (200m)/150g (5.29oz), Bulky

$10.21
$13.61
King Cole Camouflage 6 options
King Cole Camouflage

100% Acrylic, 312yds (285m)/100g (3.53oz), DK | Light Worsted

$9.79
King Cole Baby Glitz DK 15 options
King Cole Baby Glitz DK

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

$8.14
Lion Brand Babysoft Prints 6 options
Lion Brand Babysoft Prints

60% Acrylic 40% Nylon, 367yds (336m)/113g (3.99oz), DK | Light Worsted

$7.99
Lion Brand Wool Ease Thick & Quick Stripes 13 options
Lion Brand Wool Ease Thick & Quick Stripes

86% Acrylic 10% Wool 4% Polyester, 92yds (84m)/140g (4.94oz), Super Bulky

$9.99
Stylecraft That Colour Vibe 8 options
Stylecraft That Colour Vibe

85% Acrylic 15% Wool, 87yds (80m)/100g (3.53oz), Bulky

$8.99
Paintbox Yarns Cotton Aran 25 Ball Color Pack 2 options
Paintbox Yarns Cotton Aran 25 Ball Color Pack

100% Cotton, 2324yds (2125m)/1250g (44.09oz), Aran

$93.75
King Cole Summer 4Ply 2 options
King Cole Summer 4Ply

55% Bamboo 37% Cotton 8% Other, 492yds (450m)/100g (3.53oz), Fingering

$13.62
King Cole Cotton Top DK 16 options
King Cole Cotton Top DK

78% Acrylic 22% Cotton, 284yds (260m)/100g (3.53oz), DK | Light Worsted

$7.80
Paintbox Yarns Cotton DK 10 Ball Color Pack 28 options
Paintbox Yarns Cotton DK 10 Ball Color Pack

100% Cotton, 1367yds (1250m)/500g (17.64oz), DK | Light Worsted

$37.50
Lion Brand Vanna's Choice Multi 23 options
Lion Brand Vanna's Choice Multi

100% Acrylic, 145yds (133m)/85g (3oz), Worsted

$4.49
SALE Stylecraft Winter Magic XL 3 options
Stylecraft Winter Magic XL

99% Acrylic 1% Polyester, 66yds (60m)/100g (3.53oz), Super Bulky

$7.04
$9.39
Lion Brand Wool Ease Thick & Quick Metallics 9 options
Lion Brand Wool Ease Thick & Quick Metallics

79% Acrylic 20% Polyester 1% Metallic, 92yds (84m)/140g (4.94oz), Super Bulky

$8.79
King Cole Big Value Baby DK 26 options
King Cole Big Value Baby DK

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

$5.54
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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.