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. 


read more
Lion Brand Mandala Yarn - Acrylic DK 38 options
Lion Brand Mandala Yarn - Acrylic DK

100% Acrylic, 591yds (540m)/150g (5.29oz), DK | Light Worsted

$8.49
Rowan Colours by Kaffe Fassett Kidsilk Haze Yarn - Mohair Lace 7 options
Rowan Colours by Kaffe Fassett Kidsilk Haze Yarn - Mohair Lace

70% Mohair 30% Silk, 230yds (210m)/25g (0.88oz), Lace | 2 Ply

$18.00
MODE at Rowan Cotton DK Yarn - Cotton DK 12 options
MODE at Rowan Cotton DK Yarn - Cotton DK

100% Cotton, 116yds (106m)/50g (1.76oz), DK | Light Worsted

$6.00
MODE at Rowan Mohair Soft Yarn - Mohair 11 options
MODE at Rowan Mohair Soft Yarn - Mohair

60% Mohair 40% Wool, 137yds (125m)/50g (1.76oz)

$11.00
Paintbox Yarns Chenille Yarn - Polyester Chunky 30 options
Paintbox Yarns Chenille Yarn - Polyester Chunky

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

$7.50
King Cole Cottonsoft DK Yarn - Cotton DK 34 options
King Cole Cottonsoft DK Yarn - Cotton DK

100% Cotton, 230yds (210m)/100g (3.53oz), DK | Light Worsted

$9.63
Noro Ohajiki Yarn - Cotton Worsted 8 options
Noro Ohajiki Yarn - Cotton Worsted

50% Cotton 20% Silk 15% Wool 15% Viscose, 459yds (420m)/150g (5.29oz), Worsted

$41.95
SALE Juniper Moon Farm Cumulus Stripe Yarn - Cotton 5 options
Juniper Moon Farm Cumulus Stripe Yarn - Cotton

94% Cotton 6% Nylon, 252yds (230m)/100g (3.53oz), Worsted

$16.17 - $26.95
$26.95
King Cole Big Value Super Chunky Yarn - Acrylic Super Chunky 49 options
King Cole Big Value Super Chunky Yarn - Acrylic Super Chunky

100% Acrylic, 89yds (81m)/100g (3.53oz), Super Bulky

$5.54
Mode at Rowan Alpaca Wool Yarn - Alpaca DK 11 options
Mode at Rowan Alpaca Wool Yarn - Alpaca DK

50% Alpaca 50% Wool, 127yds (116m)/50g (1.76oz), DK | Light Worsted

$9.00
Cascade Cotton Sox Splash Yarn - Cotton 4 Ply 14 options
Cascade Cotton Sox Splash Yarn - Cotton 4 Ply

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

$12.00
Lion Brand Heartland Yarn - Acrylic Worsted 36 options
Lion Brand Heartland Yarn - Acrylic Worsted

100% Acrylic, 252yds (230m)/142g (5.01oz), Worsted

$7.99
Mode at Rowan Alpaca Cotton Yarn - Alpaca DK 12 options
Mode at Rowan Alpaca Cotton Yarn - Alpaca DK

57% Alpaca 43% Cotton, 131yds (120m)/25g (0.88oz), DK | Light Worsted

$11.00
Lang Yarns Secret Garden Yarn - Cotton DK 8 options
Lang Yarns Secret Garden Yarn - Cotton DK

84% Cotton 16% Nylon, 263yds (240m)/50g (1.76oz), DK | Light Worsted

$16.00
SALE Berroco Mystery Blanket Knit Along Kit Yarn - Acrylic Worsted 6 options
Berroco Mystery Blanket Knit Along Kit Yarn - Acrylic Worsted

52% Acrylic 40% Wool 8% Nylon, 3917yds (3582m)/1800g (63.49oz), Worsted

$126.00
$180.00
Plymouth Yarn Baby Alpaca Sport EC Yarn - Baby Alpaca Sport 11 options
Plymouth Yarn Baby Alpaca Sport EC Yarn - Baby Alpaca Sport

100% Baby Alpaca, 164yds (150m)/50g (1.76oz), Sport

$12.99
Sirdar Happy Cotton Assortment Pack Yarn - Cotton DK
Sirdar Happy Cotton Assortment Pack Yarn - Cotton DK

100% Cotton, 2351yds (2150m)/1000g (35.27oz), DK | Light Worsted

$107.00
Lion Brand Hometown USA Yarn - Acrylic Super Chunky 42 options
Lion Brand Hometown USA Yarn - Acrylic Super Chunky

100% Acrylic, 81yds (74m)/142g (5.01oz), Super Bulky

$5.99
Cascade Anchor Bay Hand Paints Yarn - Cotton DK 8 options
Cascade Anchor Bay Hand Paints Yarn - Cotton DK

50% Cotton 50% Merino Wool, 262yds (240m)/100g (3.53oz), DK | Light Worsted

$14.00
SALE Trendsetter Yarns Cheerleader Yarn - Polyester Worsted 8 options
Trendsetter Yarns Cheerleader Yarn - Polyester Worsted

37% Polyester 28% Alpaca 22% Nylon 13% Merino Wool, 120yds (110m)/50g (1.76oz), Worsted

$8.00
$16.00
SALE Mode at Rowan Chunky Wool Yarn - Wool Chunky 11 options
Mode at Rowan Chunky Wool Yarn - Wool Chunky

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

$10.40
$13.00
SALE Paintbox Yarns Wool Mix Aran 10 Ball Color Pack Yarn - Wool Aran 11 options
Paintbox Yarns Wool Mix Aran 10 Ball Color Pack Yarn - Wool Aran

50% Wool 50% Acrylic, 1969yds (1800m)/1000g (35.27oz), Aran

$90.25
$95.00
SALE Lion Brand Fishermen's Wool Yarn - Wool Worsted 6 options
Lion Brand Fishermen's Wool Yarn - Wool Worsted

100% Wool, 465yds (425m)/227g (8.01oz), Worsted

$10.15
$12.69
Lion Brand Ferris Wheel Yarn - Acrylic Worsted 12 options
Lion Brand Ferris Wheel Yarn - Acrylic Worsted

100% Acrylic, 270yds (247m)/85g (3oz), Worsted

$4.99
Malabrigo Lace Yarn - Merino Lace 48 options
Malabrigo Lace Yarn - Merino Lace

100% Merino Wool, 470yds (430m)/50g (1.76oz), Lace | 2 Ply

$9.95
Berroco Hearthside Yarn - Alpaca Chunky 8 options
Berroco Hearthside Yarn - Alpaca Chunky

40% Alpaca 27% Wool 33% Cotton, 159yds (145m)/100g (3.53oz), Bulky

$19.00
Stylecraft Highland Heathers DK Yarn - Acrylic DK 19 options
Stylecraft Highland Heathers DK Yarn - Acrylic DK

100% Acrylic, 297yds (272m)/100g (3.53oz), DK | Light Worsted

$6.89
Koigu Supernova MKAL 2023 Yarn Pack Yarn - Merino Wool 4 Ply 5 options
Koigu Supernova MKAL 2023 Yarn Pack Yarn - Merino Wool 4 Ply

100% Merino Wool, 400yds (366m)/400g (14.11oz), Fingering

$129.00
Hayfield Spirit DK Yarn - Acrylic DK 12 options
Hayfield Spirit DK Yarn - Acrylic DK

80% Acrylic 20% Wool, 377yds (345m)/100g (3.53oz), DK | Light Worsted

$9.85
King Cole Rebel 4Ply Yarn - Superwash Wool Fingering 6 options
King Cole Rebel 4Ply Yarn - Superwash Wool Fingering

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

$12.29
Noro Rittou Yarn - Wool Worsted 7 options
Noro Rittou Yarn - Wool Worsted

70% Wool 15% Silk 15% Mohair, 361yds (330m)/150g (5.29oz), Worsted

$47.50
Mode at Rowan Merino Soft Yarn - Superwash Wool Aran 11 options
Mode at Rowan Merino Soft Yarn - Superwash Wool Aran

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

$8.00
Universal Yarn Uni Merino Mini Neons Yarn - Superwash 4 Ply 5 options
Universal Yarn Uni Merino Mini Neons Yarn - Superwash 4 Ply

75% Merino Wool 25% Nylon, 109yds (100m)/25g (0.88oz), Fingering

$5.50
King Cole Fjord DK Yarn - Acrylic DK 30 options
King Cole Fjord DK Yarn - Acrylic DK

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

$9.11
King Cole Linendale DK Yarn - Cotton DK 14 options
King Cole Linendale DK Yarn - Cotton DK

57% Cotton 30% Viscose 13% Linen, 131yds (120m)/50g (1.76oz), DK | Light Worsted

$5.99
Berroco Vintage Handpaint Yarn - Acrylic Worsted 11 options
Berroco Vintage Handpaint Yarn - Acrylic Worsted

52% Acrylic 40% Wool 8% Nylon, 218yds (199m)/100g (3.53oz), Worsted

$15.25
Berroco Mistico Yarn - Cotton Worsted 4 options
Berroco Mistico Yarn - Cotton Worsted

48% Cotton 30% Alpaca 12% Wool 10% Nylon, 191yds (175m)/50g (1.76oz), Worsted

$15.75
King Cole Cutie Pie DK Yarn - Acrylic DK 10 options
King Cole Cutie Pie DK Yarn - Acrylic DK

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

$8.49
SALE King Cole Forest Aran Yarn - Wool Aran 14 options
King Cole Forest Aran Yarn - Wool Aran

35% Wool 20% Acrylic 20% Polyamide 25% Viscose, 328yds (300m)/100g (3.53oz), Aran

$6.03
$7.09
HiKoo Twisp Yarn -
HiKoo Twisp Yarn -

50g (1.76oz)

$9.50
Hayfield Bonus Chunky Yarn - Acrylic Chunky 50 options
Hayfield Bonus Chunky Yarn - Acrylic Chunky

100% Acrylic, 150yds (137m)/100g (3.53oz), Bulky

$5.60
Lion Brand Mandala Bonus Bundle Yarn - Acrylic DK 20 options
Lion Brand Mandala Bonus Bundle Yarn - Acrylic DK

100% Acrylic, 1181yds (1080m)/300g (10.58oz), DK | Light Worsted

$15.39
Sirdar Soft Down Yarn - Acrylic DK 16 options
Sirdar Soft Down Yarn - Acrylic DK

80% Acrylic 20% Wool, 375yds (343m)/100g (3.53oz), DK | Light Worsted

$7.00
SALE Adriafil Cupido Yarn - Cotton Sport 9 options
Adriafil Cupido Yarn - Cotton Sport

40% Cotton 35% Acrylic 17% Nylon 4% Metallic 4% Other, 175yds (160m)/50g (1.76oz), Sport

$3.60 - $7.19
$7.19
Hayfield Bonus Chunky Tweed Yarn - Acrylic Chunky 10 options
Hayfield Bonus Chunky Tweed Yarn - Acrylic Chunky

96% Acrylic 4% Viscose, 150yds (137m)/100g (3.53oz), Bulky

$5.65 - $6.20
Sirdar Stories Chunky Yarn - Cotton Chunky 20 options
Sirdar Stories Chunky Yarn - Cotton Chunky

50% Cotton 50% Acrylic, 142yds (130m)/100g (3.53oz), Bulky

$10.00
Koigu KPPPM WEBS 50th Anniversary Pencil Box Set Yarn - Merino Wool 4 Ply
Koigu KPPPM WEBS 50th Anniversary Pencil Box Set Yarn - Merino Wool 4 Ply

100% Merino Wool, 850yds (777m)/250g (8.82oz), Fingering

$96.00
Berroco Gimlet Yarn - Cotton Chunky 9 options
Berroco Gimlet Yarn - Cotton Chunky

42% Cotton 38% Alpaca 10% Wool, 95yds (87m)/50g (1.76oz), Bulky

$13.00
Stylecraft Squeeze Me Yarn - Polyester DK 16 options
Stylecraft Squeeze Me Yarn - Polyester DK

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

$5.99
Juniper Moon Farm Iris Yarn - Alpaca Worsted 7 options
Juniper Moon Farm Iris Yarn - Alpaca Worsted

70% Alpaca 20% Silk 10% Merino Wool, 437yds (400m)/100g (3.53oz), Worsted

$49.99
Next Page →
of 15

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.

Added to your cart!

Your Cart Is Empty

Start Shopping