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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Noro Saiun Yarn - Wool DK 14 options
Noro Saiun Yarn - Wool DK

70% Wool 30% Polyester, 492yds (450m)/150g (5.29oz), DK | Light Worsted

$36.95
SALE Debbie Bliss Fine Donegal 50g Yarn - Wool Fingering 12 options
Debbie Bliss Fine Donegal 50g Yarn - Wool Fingering

95% Wool 5% Cashmere, 208yds (190m)/50g (1.76oz), Fingering

$9.80
$14.00
Stylecraft Special Aran Yarn - Acrylic Aran 50 options
Stylecraft Special Aran Yarn - Acrylic Aran

100% Acrylic, 214yds (196m)/100g (3.53oz), Aran

$4.79
Noro Haunui Yarn - Wool Worsted 6 options
Noro Haunui Yarn - Wool Worsted

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

$41.95
Koigu KPPPM Painter's Fade Palette Pack Yarn - Merino Wool 4 Ply 6 options
Koigu KPPPM Painter's Fade Palette Pack Yarn - Merino Wool 4 Ply

100% Merino Wool, 1575yds (1440m)/450g (15.87oz), Fingering

$148.50
Plymouth Yarn Viento 100 Yarn - Baby Alpaca Chunky 6 options
Plymouth Yarn Viento 100 Yarn - Baby Alpaca Chunky

70% Baby Alpaca 30% Bamboo, 196yds (179m)/100g (3.53oz), Bulky

$23.99
Berroco Bozzolo Yarn - Cotton 11 options
Berroco Bozzolo Yarn - Cotton

100% Cotton, 240yds (219m)/100g (3.53oz), Aran

$17.99
SALE Valley Yarns Savoy Yarn - Wool DK 5 options
Valley Yarns Savoy Yarn - Wool DK

30% Wool 5% Cashmere 35% Viscose 30% Polyamide, 137yds (125m)/50g (1.76oz), DK | Light Worsted

$8.39
$11.99
Rowan Fine Tweed Haze Yarn - Alpaca 4 Ply 13 options
Rowan Fine Tweed Haze Yarn - Alpaca 4 Ply

37% Alpaca 37% Wool 13% Polyamide 9% Cotton 4% Polyester, 235yds (215m)/50g (1.76oz), Fingering

$21.50
Noro Sonata Shima Yarn - Cotton DK 11 options
Noro Sonata Shima Yarn - Cotton DK

35% Cotton 25% Viscose 20% Silk 20% Polyamide, 393yds (359m)/100g (3.53oz), DK | Light Worsted

$25.95
SALE Berroco Seaspun Yarn - Cotton 11 options
Berroco Seaspun Yarn - Cotton

50% Cotton 50% Polyester, 120yds (110m)/50g (1.76oz), Worsted

$5.50
$10.99
Cascade Yarns Cantata Hand Paint Yarn - Cotton Worsted 5 options
Cascade Yarns Cantata Hand Paint Yarn - Cotton Worsted

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

$11.50
Rowan Pure Alpaca Yarn - Alpaca DK 20 options
Rowan Pure Alpaca Yarn - Alpaca DK

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

$13.65
King Cole Homespun Prism DK Yarn - Polyamide DK 12 options
King Cole Homespun Prism DK Yarn - Polyamide DK

23% Polyamide 23% Acrylic 22% Merino Wool 22% Alpaca 10% Viscose, 191yds (175m)/50g (1.76oz), DK | Light Worsted

$6.69
SALE King Cole Riot DK Yarn - Acrylic DK 34 options
King Cole Riot DK Yarn - Acrylic DK

70% Acrylic 30% Wool, 322yds (294m)/100g (3.53oz), DK | Light Worsted

$6.99
$9.99
Queensland Collection Coastal Cotton Ocean Mist Yarn - Cotton Worsted 6 options
Queensland Collection Coastal Cotton Ocean Mist Yarn - Cotton Worsted

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

$8.95
SALE Adriafil Memphis Yarn - Cotton DK 24 options
Adriafil Memphis Yarn - Cotton DK

100% Cotton, 241yds (220m)/100g (3.53oz), DK | Light Worsted

$8.49
$16.99
Stylecraft Life DK Yarn - Acrylic DK 28 options
Stylecraft Life DK Yarn - Acrylic DK

75% Acrylic 25% Wool, 326yds (298m)/100g (3.53oz), DK | Light Worsted

$7.39
Juniper Moon Farm Big Merino Wool Yarn - Merino Wool Super Chunky 9 options
Juniper Moon Farm Big Merino Wool Yarn - Merino Wool Super Chunky

100% Merino Wool, 87yds (80m)/100g (3.53oz), Super Bulky

$18.95
SALE Tahki Yarns Hatteras Splash Yarn - Cotton Chunky 7 options
Tahki Yarns Hatteras Splash Yarn - Cotton Chunky

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

$11.24
$14.99
Berroco Modern Linen Yarn - Linen DK 32 options
Berroco Modern Linen Yarn - Linen DK

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

$26.00
Mode at Rowan Softest Alpaca Yarn - Alpaca Chunky 11 options
Mode at Rowan Softest Alpaca Yarn - Alpaca Chunky

70% Alpaca 7% Wool 23% Polyamide, 142yds (130m)/50g (1.76oz), Bulky

$11.00
Lion Brand Mandala Ombre Yarn - Acrylic Worsted 14 options
Lion Brand Mandala Ombre Yarn - Acrylic Worsted

100% Acrylic, 344yds (315m)/150g (5.29oz), Worsted

$7.99
SALE Ella Rae Velveteen Cotton Yarn - Cotton Worsted 7 options
Ella Rae Velveteen Cotton Yarn - Cotton Worsted

81% Cotton 19% Polyamide, 229yds (209m)/100g (3.53oz), Worsted

$9.95
$19.89
Paintbox Yarns Cotton Mix DK Yarn - Cotton DK 25 options
Paintbox Yarns Cotton Mix DK Yarn - Cotton DK

50% Cotton 50% Acrylic, 268yds (245m)/100g (3.53oz), DK | Light Worsted

$7.25
Juniper Moon Farm Cotton + Merino Yarn - Cotton 11 options
Juniper Moon Farm Cotton + Merino Yarn - Cotton

70% Cotton 30% Merino Wool, 229yds (209m)/100g (3.53oz), Worsted

$21.95
Juniper Moon Farm Fairy Floss Yarn - Wool Super Chunky 6 options
Juniper Moon Farm Fairy Floss Yarn - Wool Super Chunky

73% Wool 15% Baby Alpaca 12% Polyamide, 328yds (300m)/100g (3.53oz), Super Bulky

$29.99
SALE String Verona Yarn - Cashmere Chunky 10 options
String Verona Yarn - Cashmere Chunky

95% Cashmere 5% Merino Wool, 88yds (80m)/50g (1.76oz), Bulky

$25.99
$39.99
Lion Brand Homespun Yarn - Acrylic Chunky 18 options
Lion Brand Homespun Yarn - Acrylic Chunky

98% Acrylic 2% Polyester, 185yds (169m)/170g (6oz), Bulky

$8.49
Cascade Yarns Pandamonium Multis Yarn - Cotton DK 6 options
Cascade Yarns Pandamonium Multis Yarn - Cotton DK

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

$9.00
SALE Tahki Yarns Donegal Tweed Yarn - Wool Worsted 41 options
Tahki Yarns Donegal Tweed Yarn - Wool Worsted

100% Wool, 183yds (167m)/100g (3.53oz), Worsted

$11.83
$15.99
Berroco Tillie Yarn - Cotton 14 options
Berroco Tillie Yarn - Cotton

62% Cotton 38% Cellulose, 375yds (343m)/100g (3.53oz), Sport

$24.00
Cascade Yarns Kid Seta Yarn - Mohair Lace 60 options
Cascade Yarns Kid Seta Yarn - Mohair Lace

74% Mohair 26% Silk, 232yds (212m)/25g (0.88oz), Lace | 2 Ply

$13.00
Plymouth Yarn Hearty Homestead Tweed Yarn - Chunky 5 options
Plymouth Yarn Hearty Homestead Tweed Yarn - Chunky

90% Peruvian Highland Wool 10% Donegal Wool, 123yds (112m)/100g (3.53oz), Bulky

$14.99
Berroco Talara Yarn - Llama Worsted 8 options
Berroco Talara Yarn - Llama Worsted

100% Llama, 131yds (120m)/50g (1.76oz), Worsted

$13.00
Lion Brand Wool Ease Thick & Quick Yarn - Acrylic Super Chunky 48 options
Lion Brand Wool Ease Thick & Quick Yarn - Acrylic Super Chunky

86% Acrylic 10% Wool 4% Rayon, 106yds (97m)/170g (6oz), Super Bulky

$10.69
Lang Yarns Oceania Yarn - Cotton DK 21 options
Lang Yarns Oceania Yarn - Cotton DK

70% Cotton 30% Viscose, 153yds (140m)/50g (1.76oz), DK | Light Worsted

$10.00
Berroco Carousel Yarn - Wool Sport 10 options
Berroco Carousel Yarn - Wool Sport

52% Wool 48% Acrylic, 416yds (380m)/100g (3.53oz), Sport

$18.00
Cascade Yarns 128 Superwash Hand Paints Yarn - Merino Chunky 8 options
Cascade Yarns 128 Superwash Hand Paints Yarn - Merino Chunky

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

$15.60
Lion Brand Vanna's Choice Yarn - Acrylic Worsted 29 options
Lion Brand Vanna's Choice Yarn - Acrylic Worsted

100% Acrylic, 171yds (156m)/100g (3.53oz), Worsted

$8.56
Berroco Vintage Sock Handpaint Yarn - Acrylic 4 Ply 10 options
Berroco Vintage Sock Handpaint Yarn - Acrylic 4 Ply

52% Acrylic 40% Wool 8% Nylon, 437yds (400m)/100g (3.53oz), Fingering

$16.00
Paintbox Yarns Metallic DK Yarn - Cotton DK 14 options
Paintbox Yarns Metallic DK Yarn - Cotton DK

55% Cotton 45% Polyamide, 131yds (120m)/50g (1.76oz), DK | Light Worsted

$6.75
SALE Trendsetter Yarns Alfa Yarn - Cotton DK 12 options
Trendsetter Yarns Alfa Yarn - Cotton DK

72% Cotton 16% Metallic 9% Polyamide, 385yds (352m)/100g (3.53oz), DK | Light Worsted

$16.19 - $26.99
$26.99
SALE Paintbox Yarns Ombre Aran Wool Touch Yarn - Acrylic Aran 10 options
Paintbox Yarns Ombre Aran Wool Touch Yarn - Acrylic Aran

75% Acrylic 25% Wool, 208yds (190m)/100g (3.53oz), Aran

$6.01
$9.25
SALE Sirdar Jewelspun Ombre Yarn - Acrylic Aran 12 options
Sirdar Jewelspun Ombre Yarn - Acrylic Aran

100% Acrylic, 1094yds (1000m)/400g (14.11oz), Aran

$24.75
$33.00
Hayfield Spirit Chunky Yarn - Acrylic Chunky 14 options
Hayfield Spirit Chunky Yarn - Acrylic Chunky

80% Acrylic 20% Wool, 170yds (155m)/100g (3.53oz), Bulky

$8.75
SALE String Amalfi Yarn - Viscose Worsted 8 options
String Amalfi Yarn - Viscose Worsted

39% Viscose 25% Wool 22% Silk 14% Cashmere, 180yds (165m)/50g (1.76oz), Worsted

$16.90
$26.00
Mode At Rowan Alpaca Haze Yarn - Wool Sport 12 options
Mode At Rowan Alpaca Haze Yarn - Wool Sport

58% Wool 22% Alpaca 20% Polyamide, 232yds (212m)/25g (0.88oz), Sport

$8.00
King Cole Fashion Aran Yarn - Acrylic Aran 35 options
King Cole Fashion Aran Yarn - Acrylic Aran

70% Acrylic 30% Wool, 219yds (200m)/100g (3.53oz), Aran

$8.42
Juniper Moon Farm Cirrus Yarn - Cotton DK 8 options
Juniper Moon Farm Cirrus Yarn - Cotton DK

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

$23.95
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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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