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.  See the full yarn weight chart with ply conversions. 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 Paintbox Yarns Cotton Aran 10 Ball Value Packs Yarn 81 options
Paintbox Yarns Cotton Aran 10 Ball Value Packs Yarn

100% Cotton, 93yds (85m)/500g (17.64oz), Aran

$28.50 - $33.25
$47.50
SALE Paintbox Yarns Cotton DK 10 Ball Color Pack Yarn - Cotton DK 26 options
Paintbox Yarns Cotton DK 10 Ball Color Pack Yarn - Cotton DK

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

$35.63
$37.50
Lion Brand Babysoft Yarn - Acrylic DK 6 options
Lion Brand Babysoft Yarn - Acrylic DK

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

$7.99
Lion Brand Wool Ease Thick & Quick Stripes Yarn - Acrylic Super Chunky 6 options
Lion Brand Wool Ease Thick & Quick Stripes Yarn - Acrylic Super Chunky

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

$9.99
Stylecraft Batik Swirl DK Yarn - Acrylic DK 7 options
Stylecraft Batik Swirl DK Yarn - Acrylic DK

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

$18.89
SALE Plymouth Estilo Hand Dyed 4 options
Plymouth Estilo Hand Dyed

80% Merino Wool 20% Silk, 381yds (348m)/100g (3.53oz), Sport

$12.20 - $24.39
$24.39
Lion Brand Babysoft Prints Yarn - Acrylic DK 5 options
Lion Brand Babysoft Prints Yarn - Acrylic DK

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

$7.99
Stylecraft Highland Heathers Aran Yarn - Acrylic Aran 7 options
Stylecraft Highland Heathers Aran Yarn - Acrylic Aran

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

$5.99
King Cole Crescendo Aran Yarn - Acrylic Aran 8 options
King Cole Crescendo Aran Yarn - Acrylic Aran

100% Acrylic, 241yds (220m)/100g (3.53oz), Aran

$8.07
King Cole Cotton Top DK Yarn - Acrylic DK 5 options
King Cole Cotton Top DK Yarn - Acrylic DK

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

$7.80
SALE Paintbox Yarns Baby DK 5 Ball Value Pack Yarn - Nylon DK 28 options
Paintbox Yarns Baby DK 5 Ball Value Pack Yarn - Nylon DK

55% Nylon 45% Acrylic, 913yds (835m)/250g (8.82oz), DK | Light Worsted

$15.63
$25.00
SALE Paintbox Yarns Wool Mix Super Chunky 5 Ball Value Pack Yarn - Wool Super Chunky 60 options
Paintbox Yarns Wool Mix Super Chunky 5 Ball Value Pack Yarn - Wool Super Chunky

50% Wool 50% Acrylic, 301yds (275m)/500g (17.64oz), Super Bulky

$30.47
$48.75
Stylecraft That Colour Vibe Yarn - Acrylic Chunky 2 options
Stylecraft That Colour Vibe Yarn - Acrylic Chunky

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

$8.99
Sirdar Snuggly Snowflake Chunky 50g Yarn - Polyester Chunky 9 options
Sirdar Snuggly Snowflake Chunky 50g Yarn - Polyester Chunky

100% Polyester, 136yds (124m)/50g (1.76oz), Bulky

$8.75
Plymouth Yarn Select Reserve Fingering 5 options
Plymouth Yarn Select Reserve Fingering

70% Merino Wool 20% Nylon 10% Cashmere, 400yds (366m)/100g (3.53oz), Lace | 2 Ply

$26.79
Koigu Sofie Yarn - Mohair Lace 27 options
Koigu Sofie Yarn - Mohair Lace

70% Mohair 30% Silk, 238yds (218m)/25g (0.88oz), Lace | 2 Ply

$20.00
King Cole Fruitilicious Yarn - Polyester varied 8 options
King Cole Fruitilicious Yarn - Polyester varied

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

$9.87
Sirdar Supersoft Aran Rainbow Drops Yarn - Acrylic Aran 3 options
Sirdar Supersoft Aran Rainbow Drops Yarn - Acrylic Aran

100% Acrylic, 257yds (235m)/100g (3.53oz), Aran

$8.49
Berroco Biella 10 options
Berroco Biella

60% Merino Wool 30% Silk 10% Mohair, 202yds (185m)/50g (1.76oz), DK | Light Worsted, Sport

$15.50
SALE Paintbox Yarns Cotton Aran 25 Ball Color Pack Yarn - Cotton Aran
Paintbox Yarns Cotton Aran 25 Ball Color Pack Yarn - Cotton Aran

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

$89.06
$93.75
SALE Paintbox Yarns 100% Wool Worsted 5 Ball Value Pack Yarn 48 options
Paintbox Yarns 100% Wool Worsted 5 Ball Value Pack Yarn

100% Wool, 1094yds (1000m)/500g (17.64oz), Worsted

$34.38
$55.00
Lion Brand Vanna's Choice Multi Yarn - Acrylic Worsted 6 options
Lion Brand Vanna's Choice Multi Yarn - Acrylic Worsted

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

$4.49
Stylecraft Winter Magic XL Yarn - Acrylic Super Chunky 2 options
Stylecraft Winter Magic XL Yarn - Acrylic Super Chunky

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

$9.39
SALE Paintbox Yarns Chenille 5 Ball Value Pack Yarn - Polyester Chunky 30 options
Paintbox Yarns Chenille 5 Ball Value Pack Yarn - Polyester Chunky

100% Polyester, 656yds (600m)/500g (17.64oz), Bulky

$23.44
$37.50
Noro Koma Yarn - Wool DK 6 options
Noro Koma Yarn - Wool DK

45% Wool 35% Mohair 20% Silk, 443yds (405m)/150g (5.29oz), DK | Light Worsted

$52.50
King Cole Bumble Chunky Yarn - Acrylic Chunky 6 options
King Cole Bumble Chunky Yarn - Acrylic Chunky

100% Acrylic, 166yds (152m)/100g (3.53oz), Bulky

$9.27
Lion Brand Wool Ease Thick & Quick Metallics Yarn - Acrylic Super Chunky 5 options
Lion Brand Wool Ease Thick & Quick Metallics Yarn - Acrylic Super Chunky

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

$8.79
SALE Paintbox Yarns Simply DK 10 Ball Value Pack Yarn 91 options
Paintbox Yarns Simply DK 10 Ball Value Pack Yarn

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

$27.00 - $45.00
$45.00
King Cole Big Value Baby DK Yarn - Acrylic DK 6 options
King Cole Big Value Baby DK Yarn - Acrylic DK

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

$5.54
Koigu Ambah Solstice KAL 2025 Small Wrap Yarn - Merino Wool 4 Ply 3 options
Koigu Ambah Solstice KAL 2025 Small Wrap Yarn - Merino Wool 4 Ply

100% Merino Wool, 1020yds (933m)/300g (10.58oz), Fingering

$97.00
Stylecraft Serene Yarn - Acrylic Aran 6 options
Stylecraft Serene Yarn - Acrylic Aran

66% Acrylic 34% Wool, 252yds (230m)/100g (3.53oz), Aran

$6.19
Stylecraft Soft Pastels Yarn - Acrylic Aran 6 options
Stylecraft Soft Pastels Yarn - Acrylic Aran

50% Acrylic 50% Cotton, 268yds (245m)/100g (3.53oz), Aran

$7.29
Hayfield Bonus Aran Tweed with Wool Yarn - Acrylic Aran 10 options
Hayfield Bonus Aran Tweed with Wool Yarn - Acrylic Aran

74% Acrylic 20% Wool 6% Viscose, 919yds (840m)/400g (14.11oz), Aran

$23.50 - $25.50
SALE Paintbox Yarns Simply DK 5 Ball Color Pack Yarn - Acrylic DK 5 options
Paintbox Yarns Simply DK 5 Ball Color Pack Yarn - Acrylic DK

100% Acrylic, 1509yds (1380m)/500g (17.64oz), DK | Light Worsted

$20.19
$21.25
SALE Paintbox Yarns Cotton Aran 20 Ball Value Pack Yarn 73 options
Paintbox Yarns Cotton Aran 20 Ball Value Pack Yarn

100% Cotton, 1859yds (1700m)/1000g (35.27oz), Aran

$52.25 - $66.50
$95.00
Koigu Ambah Solstice KAL 2025 Large Wrap Yarn - Merino Wool 4 Ply 2 options
Koigu Ambah Solstice KAL 2025 Large Wrap Yarn - Merino Wool 4 Ply

100% Merino Wool, 2720yds (2487m)/800g (28.22oz), Fingering

$258.00
Sirdar Cotton DK Yarn - Cotton DK 5 options
Sirdar Cotton DK Yarn - Cotton DK

100% Cotton, 232yds (212m)/100g (3.53oz), DK | Light Worsted

$10.00
King Cole Comfort Aran Yarn - Acrylic Aran 7 options
King Cole Comfort Aran Yarn - Acrylic Aran

60% Acrylic 40% Nylon, 221yds (202m)/100g (3.53oz), Aran

$9.18
King Cole Big Value Aran Yarn - Acrylic Aran 16 options
King Cole Big Value Aran Yarn - Acrylic Aran

100% Acrylic, 257yds (235m)/100g (3.53oz), Aran

$6.37
Stylecraft Softie Chunky Yarn - Acrylic Chunky 8 options
Stylecraft Softie Chunky Yarn - Acrylic Chunky

80% Acrylic 20% Wool, 186yds (170m)/100g (3.53oz), Bulky

$7.49
Berroco Stratto 6 options
Berroco Stratto

74% Cotton 26% Merino Wool, 65yds (59m)/50g (1.76oz), Bulky

$12.00
King Cole Christmas Super Chunky Yarn - Acrylic Super Chunky 5 options
King Cole Christmas Super Chunky Yarn - Acrylic Super Chunky

80% Acrylic 20% Wool, 96yds (88m)/100g (3.53oz), Super Bulky

$10.66
SALE Paintbox Yarns Simply Chunky 10 Ball Value Pack Yarn - Acrylic Chunky 76 options
Paintbox Yarns Simply Chunky 10 Ball Value Pack Yarn - Acrylic Chunky

100% Acrylic, 1487yds (1360m)/1000g (35.27oz), Bulky

$27.00 - $31.50
$45.00
Sirdar Loveful 100% Bio Blend Yarn - Polyester DK 12 options
Sirdar Loveful 100% Bio Blend Yarn - Polyester DK

80% Polyester 20% Wool, 291yds (266m)/100g (3.53oz), DK | Light Worsted

$7.00
SALE Paintbox Yarns Cotton DK 20 Ball Value Pack Yarn - Cotton DK 73 options
Paintbox Yarns Cotton DK 20 Ball Value Pack Yarn - Cotton DK

100% Cotton, 2734yds (2500m)/1000g (35.27oz), DK | Light Worsted

$52.25 - $66.50
$95.00
King Cole Melody DK Yarn - Acrylic DK 5 options
King Cole Melody DK Yarn - Acrylic DK

100% Acrylic, 308yds (282m)/100g (3.53oz), DK | Light Worsted

$7.61
King Cole Truffle Glitz Yarn - Polyamide DK 8 options
King Cole Truffle Glitz Yarn - Polyamide DK

91% Polyamide 9% Other, 171yds (156m)/100g (3.53oz), DK | Light Worsted

$10.48
Sirdar Pumpkin Spice Crochet Along 2026
Sirdar Pumpkin Spice Crochet Along 2026

100% Acrylic, 4899yds (4480m)/1645g (58.03oz), DK | Light Worsted

$70.00
King Cole Simply Footsie 4ply Yarn - Acrylic 4 Ply 2 options
King Cole Simply Footsie 4ply Yarn - Acrylic 4 Ply

93% Acrylic 7% Other, 470yds (430m)/100g (3.53oz), Fingering

$11.35
SALE Paintbox Yarns Simply Super Chunky 5 Ball Value Pack Yarn - Acrylic Super Chunky 25 options
Paintbox Yarns Simply Super Chunky 5 Ball Value Pack Yarn - Acrylic Super Chunky

100% Acrylic, 328yds (300m)/500g (17.64oz), Super Bulky

$17.19
$27.50
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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.

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