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 Plymouth Yarn Encore Worsted Yarn - Acrylic Worsted 69 options
Plymouth Yarn Encore Worsted Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 199yds (182m)/100g (3.53oz), Worsted

$6.38
$8.50
SALE Malabrigo Rios Merino Worsted Yarn - Superwash Worsted 93 options
Malabrigo Rios Merino Worsted Yarn - Superwash Worsted

100% Merino Wool, 210yds (192m)/100g (3.53oz), Worsted

$13.43
$17.90
SALE Cascade Yarns 220 Yarn - 100% Wool Worsted 106 options
Cascade Yarns 220 Yarn - 100% Wool Worsted

100% Wool, 219yds (200m)/100g (3.53oz), Worsted

$9.20 - $9.76
$11.50
SALE Berroco Vintage Yarn - Acrylic Worsted 72 options
Berroco Vintage Yarn - Acrylic Worsted

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

$8.80
$11.00
SALE Valley Yarns Northampton Yarn - Wool Worsted 34 options
Valley Yarns Northampton Yarn - Wool Worsted

100% Wool, 247yds (226m)/100g (3.53oz), Worsted

$8.24
$10.99
Lopi Léttlopi (Lite Lopi) Yarn - Wool Worsted 40 options
Lopi Léttlopi (Lite Lopi) Yarn - Wool Worsted

100% Wool, 109yds (100m)/50g (1.76oz), Worsted

$8.00
SALE Valley Yarns Valley Superwash Yarn - Merino Worsted 35 options
Valley Yarns Valley Superwash Yarn - Merino Worsted

100% Merino Wool, 97yds (89m)/50g (1.76oz), Worsted

$6.37
$8.49
SALE Berroco Ultra Alpaca Yarn - Alpaca Worsted 42 options
Berroco Ultra Alpaca Yarn - Alpaca Worsted

50% Alpaca 50% Wool, 217yds (198m)/100g (3.53oz), Worsted

$13.20
$16.50
SALE Plymouth Yarn Encore Worsted Colorspun Yarn - Acrylic Worsted 23 options
Plymouth Yarn Encore Worsted Colorspun Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 199yds (182m)/100g (3.53oz), Worsted

$6.84 - $9.50
$9.50
SALE Valley Yarns Haydenville Yarn - Superwash Merino Worsted 30 options
Valley Yarns Haydenville Yarn - Superwash Merino Worsted

60% Merino Wool 40% Acrylic, 220yds (201m)/100g (3.53oz), Worsted

$8.24
$10.99
Blue Sky Fibers Organic Worsted Cotton Yarn - Cotton Worsted 34 options
Blue Sky Fibers Organic Worsted Cotton Yarn - Cotton Worsted

100% Cotton, 150yds (137m)/100g (3.53oz), Worsted

$17.80
Blue Sky Fibers Woolstok 50 Yarn - Wool Worsted 16 options
Blue Sky Fibers Woolstok 50 Yarn - Wool Worsted

100% Wool, 123yds (112m)/50g (1.76oz), Worsted

$10.80
SALE Brown Sheep Lamb's Pride Worsted Yarn - Wool Worsted 12 options
Brown Sheep Lamb's Pride Worsted Yarn - Wool Worsted

85% Wool 15% Mohair, 189yds (173m)/113g (3.99oz), Worsted

$12.64
$15.80
SALE Malabrigo Washted Merino Worsted Yarn 22 options
Malabrigo Washted Merino Worsted Yarn

100% Merino Wool, 210yds (192m)/100g (3.53oz), Worsted

$13.20
$16.50
Valley Yarns Amherst Yarn - Merino Wool Worsted 21 options
Valley Yarns Amherst Yarn - Merino Wool Worsted

100% Merino Wool, 109yds (100m)/50g (1.76oz), Worsted

$6.75
SALE Plymouth Yarn Encore Tweed Yarn - Acrylic Worsted 13 options
Plymouth Yarn Encore Tweed Yarn - Acrylic Worsted

75% Acrylic 22% Wool 3% Rayon, 199yds (182m)/100g (3.53oz), Worsted

$8.00
$10.00
Cascade Yarns 220 Superwash Wave Yarn - Wool Worsted 25 options
Cascade Yarns 220 Superwash Wave Yarn - Wool Worsted

100% Wool, 220yds (201m)/100g (3.53oz), Worsted

$15.00
SALE Tahki Yarns Tandem Yarn - Cotton Worsted 14 options
Tahki Yarns Tandem Yarn - Cotton Worsted

28% Cotton 28% Viscose 28% Nylon 16% Acrylic, 107yds (98m)/50g (1.76oz), Worsted

$6.29
$8.99
SALE Berroco Modern Cotton Yarn - Cotton Worsted 25 options
Berroco Modern Cotton Yarn - Cotton Worsted

60% Cotton 40% Rayon, 209yds (191m)/100g (3.53oz), Worsted

$9.60
$12.00
Valley Yarns Berkshire Yarn - Wool Worsted 20 options
Valley Yarns Berkshire Yarn - Wool Worsted

85% Wool 15% Alpaca, 141yds (129m)/100g (3.53oz), Worsted

$9.99
SALE Valley Yarns Becket Yarn - Alpaca Worsted 18 options
Valley Yarns Becket Yarn - Alpaca Worsted

50% Alpaca 50% Wool, 141yds (129m)/100g (3.53oz), Worsted

$8.99
$11.99
Cascade Yarns Nifty Cotton Yarn - Cotton Worsted 12 options
Cascade Yarns Nifty Cotton Yarn - Cotton Worsted

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

$8.25
Lopi Plötulopi Yarn - Wool Worsted 19 options
Lopi Plötulopi Yarn - Wool Worsted

100% Wool, 328yds (300m)/100g (3.53oz), Worsted

$15.50
Valley Yarns Peru Yarn - Baby Alpaca Worsted 14 options
Valley Yarns Peru Yarn - Baby Alpaca Worsted

84% Baby Alpaca 8% Merino Wool 8% Nylon, 120yds (110m)/50g (1.76oz), Worsted

$8.49
Plymouth Yarn Hot Cakes Yarn - Acrylic Worsted 11 options
Plymouth Yarn Hot Cakes Yarn - Acrylic Worsted

75% Acrylic 25% Wool, 404yds (369m)/200g (7.06oz), Worsted

$16.99
SALE Valley Yarns Montague Yarn - Cotton Worsted 18 options
Valley Yarns Montague Yarn - Cotton Worsted

100% Cotton, 110yds (101m)/50g (1.76oz), Worsted

$5.24
$6.99
SALE Berroco Comfort Yarn - Nylon Worsted 20 options
Berroco Comfort Yarn - Nylon Worsted

50% Nylon 50% Acrylic, 211yds (193m)/100g (3.53oz), Worsted

$3.60
$8.00
SALE Tahki Yarns Superwash Merino Worsted Twist Yarn 25 options
Tahki Yarns Superwash Merino Worsted Twist Yarn

100% Wool, 221yds (202m)/100g (3.53oz), Worsted

$10.33
$14.75
Plymouth Yarn Worsted Merino Superwash 23 options
Plymouth Yarn Worsted Merino Superwash

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

$17.99
Universal Yarn Uptown Worsted Yarn - Acrylic Worsted 25 options
Universal Yarn Uptown Worsted Yarn - Acrylic Worsted

100% Acrylic, 180yds (165m)/100g (3.53oz), Worsted

$7.75
SALE Universal Yarn Cotton Supreme Yarn - Cotton Worsted 28 options
Universal Yarn Cotton Supreme Yarn - Cotton Worsted

100% Cotton, 180yds (165m)/100g (3.53oz), Worsted

$9.60
$12.00
Berroco Pima 100 Yarn - Cotton Worsted 21 options
Berroco Pima 100 Yarn - Cotton Worsted

100% Cotton, 219yds (200m)/100g (3.53oz), Worsted

$14.50
SALE Valley Yarns Brodie Yarn - Cashmere Worsted 10 options
Valley Yarns Brodie Yarn - Cashmere Worsted

95% Cashmere 5% Merino Wool, 154yds (141m)/50g (1.76oz), Worsted

$16.79
$27.99
SALE Paintbox Yarns 100% Wool Worsted Superwash Yarn - Superwash Wool Worsted 48 options
Paintbox Yarns 100% Wool Worsted Superwash Yarn - Superwash Wool Worsted

100% Wool, 219yds (200m)/100g (3.53oz), Worsted

$7.80
$12.00
SALE Berroco Sesame Yarn - Wool Worsted 13 options
Berroco Sesame Yarn - Wool Worsted

43% Wool 39% Acrylic 9% Cotton 9% Nylon, 230yds (210m)/100g (3.53oz), Worsted

$9.50 - $11.40
$19.00
Plymouth Yarn Encore Starz Yarn - Acrylic Worsted 3 options
Plymouth Yarn Encore Starz Yarn - Acrylic Worsted

74% Acrylic 25% Wool 1% Polyester, 200yds (183m)/100g (3.53oz), Worsted

$10.00
Cascade Yarns Nifty Cotton Splash Yarn - Cotton Worsted 16 options
Cascade Yarns Nifty Cotton Splash Yarn - Cotton Worsted

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

$8.50
Rowan Pure Wool Superwash Worsted Yarn 9 options
Rowan Pure Wool Superwash Worsted Yarn

100% Wool, 219yds (200m)/100g (3.53oz), Worsted

$16.80
SALE Plymouth Yarn Pima Rino Yarn - Cotton Worsted 13 options
Plymouth Yarn Pima Rino Yarn - Cotton Worsted

70% Cotton 30% Merino Wool, 109yds (100m)/50g (1.76oz), Worsted

$3.60
$7.99
SALE Blue Sky Fibers Woolstok Tweed Aran Yarn - Wool Worsted 14 options
Blue Sky Fibers Woolstok Tweed Aran Yarn - Wool Worsted

85% Wool 15% Wool, 109yds (100m)/100g (3.53oz), Worsted

$16.96
$21.20
Blue Sky Fibers Woolstok 150 Yarn - Wool Worsted 9 options
Blue Sky Fibers Woolstok 150 Yarn - Wool Worsted

100% Wool, 370yds (338m)/150g (5.29oz), Worsted

$29.20
SALE Juniper Moon Farm Cumulus Yarn - Cotton Worsted 22 options
Juniper Moon Farm Cumulus Yarn - Cotton Worsted

94% Cotton 6% Nylon, 250yds (229m)/100g (3.53oz), Worsted

$19.16
$23.95
SALE Noro Ito Yarn - Wool Worsted 15 options
Noro Ito Yarn - Wool Worsted

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

$42.00
$52.50
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted 5 options
Blue Sky Fibers Woolstok Mini Hank Bundle Yarn - Wool Worsted

100% Wool, 252yds (230m)/5g (0.18oz), Worsted

$36.00
Cascade Yarns Cantata Yarn - Cotton Worsted 13 options
Cascade Yarns Cantata Yarn - Cotton Worsted

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

$10.50
SALE Tahki Yarns Aurora Yarn - Merino Wool Worsted 7 options
Tahki Yarns Aurora Yarn - Merino Wool Worsted

70% Merino Wool 30% Acrylic, 261yds (239m)/100g (3.53oz), Worsted

$12.59
$17.99
SALE Universal Yarn Deluxe Worsted Tweed Superwash Yarn 8 options
Universal Yarn Deluxe Worsted Tweed Superwash Yarn

90% Wool 7% Acrylic 3% Viscose, 219yds (200m)/100g (3.53oz), Worsted

$10.40
$13.00
Plymouth Yarn Baby Alpaca Worsted Yarn - Baby Alpaca Worsted 17 options
Plymouth Yarn Baby Alpaca Worsted Yarn - Baby Alpaca Worsted

100% Baby Alpaca, 205yds (187m)/100g (3.53oz), Worsted

$25.99
Berroco Ultra Alpaca Natural Yarn - Alpaca Worsted 6 options
Berroco Ultra Alpaca Natural Yarn - Alpaca Worsted

50% Alpaca 50% Wool, 215yds (197m)/100g (3.53oz), Worsted

$16.50
SALE Stacy Charles Fine Yarns Gwen Yarn - Wool Worsted 6 options
Stacy Charles Fine Yarns Gwen Yarn - Wool Worsted

95% Wool 5% Polyamide, 88yds (80m)/50g (1.76oz), Worsted

$7.80
$12.00
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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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