Yarn by Size

Yarn by Size

Understanding Yarn Sizes

Yarn comes in a variety of sizes, each suited for different types of projects and techniques. The Craft Yarn Council (CYC) has established a standard yarn weight system to help you choose the right yarn for your needs. Here’s a guide to the different yarn sizes and their classifications:

  1. Lace Weight (0):

    • Description: The thinnest yarn available, often used for delicate and intricate projects.
    • Uses: Ideal for lace shawls, doilies, and lightweight garments.
    • Needle/Hook Size: 000-1 (1.5-2.25 mm)
    • Gauge: 33-40 stitches per 4 inches
  2. Super Fine (1):

    • Description: Includes fingering, sock, and baby yarns.
    • Uses: Perfect for socks, lightweight sweaters, and baby items.
    • Needle/Hook Size: 1-3 (2.25-3.25 mm)
    • Gauge: 27-32 stitches per 4 inches
  3. Fine (2):

    • Description: Includes sport and baby yarns.
    • Uses: Great for lightweight garments, baby clothes, and accessories.
    • Needle/Hook Size: 3-5 (3.25-3.75 mm)
    • Gauge: 23-26 stitches per 4 inches
  4. Light (3):

    • Description: Includes DK (double knitting) and light worsted yarns.
    • Uses: Suitable for a wide range of projects, including sweaters, hats, and blankets.
    • Needle/Hook Size: 5-7 (3.75-4.5 mm)
    • Gauge: 21-24 stitches per 4 inches
  5. Medium (4):

    • Description: Includes worsted, afghan, and aran yarns.
    • Uses: Ideal for sweaters, afghans, and scarves.
    • Needle/Hook Size: 7-9 (4.5-5.5 mm)
    • Gauge: 16-20 stitches per 4 inches
  6. Bulky (5):

    • Description: Includes chunky, craft, and rug yarns.
    • Uses: Great for chunky scarves, hats, and cozy blankets.
    • Needle/Hook Size: 9-11 (5.5-8 mm)
    • Gauge: 12-15 stitches per 4 inches
  7. Super Bulky (6):

    • Description: Very thick yarn, ideal for quick projects.
    • Uses: Perfect for heavy blankets, oversized sweaters, and statement accessories.
    • Needle/Hook Size: 11+ (8 mm and up)
    • Gauge: 7-11 stitches per 4 inches
  8. Jumbo (7):

    • Description: The thickest yarn available, often used for extreme knitting and crochet.
    • Uses: Ideal for arm knitting, large-scale projects, and home decor items.
    • Needle/Hook Size: 17+ (12.75 mm and up)
    • Gauge: 6 stitches or fewer per 4 inches

Choosing the right yarn size can make a big difference in the look and feel of your finished project. Whether you’re aiming for delicate lace or a chunky knit, there’s a yarn size that’s perfect for your needs!

  • Manufacturer's closeup image of Cascade Yarns Cherub Aran in color Provence 1425
    $9.50
    Stock:7
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  • closeup of Cascade Alpaca Lace - Scarlet 1449
    $9.50
    Stock:5
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  • hank of yarn of Mirasol Yarns Ushya - Raspberry Tart 1771
    $23.00
    Stock:9
    Stock: 9
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  • hank of yarn of Mirasol Yarns Ushya Chianti 1772
    $23.00
    Stock:10
    Stock: 10
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  • Closeup of Cascade Yarns - 220 Superwash - Provence 1975
    $11.50
    Stock:7
    Stock: 7
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  • Fixation - Yankee Red 3628
    $6.00
    Out of Stock
  • Closeup of Cascade Yarns - Ultra Pima Fine - Cranberry 3701
    $7.00
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Ultra Pima - Cranberry 3701
    $13.50
    Stock:4
    Stock: 4
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  • Closeup of Cascade Yarns - Ultra Pima Fine - Wine 3713
    $7.00
    Out of Stock
  • Closeup of Cascade Yarns - Ultra Pima - Wine 3713
    $13.50
    Stock:9
    Stock: 9
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  • Closeup of Cascade Yarns - Ultra Pima - Burgundy 3714
    $13.50
    Stock:2
    Stock: 2
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  • Closeup of Cascade Yarns - Ultra Pima - Poppy Red 3751
    $13.50
    Stock:13
    Stock: 13
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  • Closeup of Cascade Yarns - Ultra Pima - Lipstick Red 3755
    $13.50
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Ultra Pima Fine - Paprika 3771
    $7.00
    Stock:4
    Stock: 4
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  • Closeup of Cascade Yarns - Ultra Pima - Paprika 3771
    $13.50
    Stock:7
    Stock: 7
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  • Fixation - Wine 3794
    $6.00
    Out of Stock
  • Closeup of Cascade Yarns - Ultra Pima Fine - Tomato 3823
    $7.00
    Stock:6
    Stock: 6
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  • Closeup of Cascade Yarns - Ultra Pima - Tomato 3823
    $13.50
    Stock:19
    Stock: 19
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  • Closeup of Cascade Yarns - Heritage - Burgundy 5606
    $11.50
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Heritage - Red 5607
    $11.50
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Heritage Silk - Red 5607
    $19.00
    Stock:10
    Stock: 10
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  • Closeup of Cascade Yarns - Heritage - Christmas Red 5619
    $11.50
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Heritage Silk - Christmas Red 5619
    $19.00
    Stock:4
    Stock: 4
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  • Closeup of Cascade Yarns - Heritage - Cinnamon 5640
    $11.50
    Stock:5
    Stock: 5
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  • Closeup of Cascade Yarns - Heritage - Blood Orange 5642
    $11.50
    Stock:9
    Stock: 9
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  • Closeup of Cascade Yarns - Heritage - Wine 5663
    $11.50
    Stock:7
    Stock: 7
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  • Closeup of Cascade Yarns - Heritage Silk - Wine 5663
    $19.00
    Stock:14
    Stock: 14
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  • ball of Cascade Yarns - Lana Grande - Crimson 6034
    $11.00
    Stock:9
    Stock: 9
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  • manufacturer's stock image closeup of Cascade Yarns Lana Grande - Pomegranate 6098
    $11.00
    Stock:6
    Stock: 6
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  • Closeup of Cascade Yarns - Magnum - Ruby 9404

    Magnum - Ruby 9404

    $13.75
    $27.50
    $13.75
    $27.50
    Stock:3
    Stock: 3
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  • Closeup of Cascade Yarns - Magnum - Poinsettia 9646
    $13.75
    $27.50
    Stock:1
    Stock: 1
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  • Cascade's closeup of Woolpaka yarn Red Wine Heather 15
    $14.00
    Stock:3
    Stock: 3
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  • Cascade's closeup of Woolpaka yarn Ruby 16
    $14.00
    Stock:9
    Stock: 9
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