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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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SALE 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

$6.00
$8.00
SALE 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

$6.32
$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
Trendsetter Yarns Wisdom Yarn - Merino Wool DK 18 options
Trendsetter Yarns Wisdom Yarn - Merino Wool DK

53% Merino Wool 47% Cotton, 135yds (123m)/50g (1.76oz), DK | Light Worsted

$11.55
Plymouth Yarn Angora Mist Yarn - Angora Worsted 5 options
Plymouth Yarn Angora Mist Yarn - Angora Worsted

80% Angora 20% Nylon, 122yds (112m)/25g (0.88oz), Worsted

$17.99
Noro Akari Solo Yarn - Silk Worsted 10 options
Noro Akari Solo Yarn - Silk Worsted

26% Silk 21% Cotton 15% Viscose 14% Mohair 24% Other, 524yds (479m)/200g (7.06oz), Worsted

$47.50
Koigu Jasmine Festive Mini Skein Set Yarn - Merino Wool DK 4 options
Koigu Jasmine Festive Mini Skein Set Yarn - Merino Wool DK

100% Merino Wool, 1440yds (1317m)/25g (0.88oz), DK | Light Worsted

$192.00
Rowan Colours by Kaffe Fassett Felted Tweed Yarn - Wool DK 7 options
Rowan Colours by Kaffe Fassett Felted Tweed Yarn - Wool DK

50% Wool 25% Alpaca 25% Viscose, 191yds (175m)/50g (1.76oz), DK | Light Worsted

$15.75
Cascade Yarns Baby Alpaca Chunky Discontinued Colors Yarn - Baby Alpaca Chunky 3 options
Cascade Yarns Baby Alpaca Chunky Discontinued Colors Yarn - Baby Alpaca Chunky

100% Baby Alpaca, 108yds (99m)/100g (3.53oz), Bulky

$20.00
Koigu KPPPM Festive Mini Skein Set Yarn - Merino Wool 4 Ply 4 options
Koigu KPPPM Festive Mini Skein Set Yarn - Merino Wool 4 Ply

100% Merino Wool, 2175yds (1989m)/25g (0.88oz), Fingering

$200.00
SALE 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

$14.40
$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
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
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
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
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
Paintbox Yarns Chenille Yarn - Polyester Chunky 30 options
Paintbox Yarns Chenille Yarn - Polyester Chunky

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

$7.50
SALE Cascade Yarns Elysian Yarn - Superwash Merino Worsted 34 options
Cascade Yarns Elysian Yarn - Superwash Merino Worsted

60% Merino Wool 40% Acrylic, 219yds (200m)/100g (3.53oz), Worsted

$5.00 - $6.00
$9.99
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
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
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
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
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
Lion Brand Heartland Yarn - Acrylic Worsted 36 options
Lion Brand Heartland Yarn - Acrylic Worsted

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

$7.99
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
SALE 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

$4.16
$5.54
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
Paintbox Yarns Chunky Pots Yarn - Acrylic Chunky 21 options
Paintbox Yarns Chunky Pots Yarn - Acrylic Chunky

100% Acrylic, 297yds (272m)/200g (7.06oz), Bulky

$12.50
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

$16.00
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

$13.00
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

$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)/170g (6oz), Worsted

$9.52
$12.69
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
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
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
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
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
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
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
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
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
HiKoo Twisp Yarn -
HiKoo Twisp Yarn -

50g (1.76oz)

$9.50
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

$7.09
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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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