Crochet Hook 6 mm (J-10)

This is the Easy Crochet archive for free crochet patterns using the J/10 hook size. The J-10 hook size is also known as the 6 mm metric and UK 4 hook. We recommend using the J hook with Medium weight yarn (Worsted, Afghan or Aran).

The J-10 / 6 mm / UK4 hook is the perfect size for making everything from baby blankets to scarves to ear warmers.

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Free Crochet Patterns using 6 mm (J-10) Crochet Hooks

These free crochet patterns were all created using various yarn types and brands, but all use the 6 mm (J-10) sized crochet hook.

  • Colton Sweater

    Colton Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8), 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet, Single Crochet Back Loop,
    • Color: Gray,
  • Dotty Baby Blanket

    Dotty Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Simple Stitch,
    • Color: Blue, Green, Neutral,
  • Nora Lace Shawl

    Nora Lace Shawl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 0 – Lace,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch,
    • Color: Blue,
  • Easy Tweedy Child Sweater

    Easy Tweedy Child Sweater

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Gray, Green,
  • Easy Tweedy Adult Sweater

    Easy Tweedy Adult Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet Back Loop,
    • Color: Brown, Gray, Green, Neutral,
  • Compostela Blanket

    Compostela Blanket

    Free Crochet Pattern
    • Yarn Brand: Zeeman,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet, Single Crochet Back Loop,
    • Color: Green, White,
  • Easy Tweedy Ear Warmer

    Easy Tweedy Ear Warmer

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Slip Stitch,
    • Color: Blue, Gray, Pink, Variegated,
  • Easy Tweedy Hat

    Easy Tweedy Hat

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet, Slip Stitch,
    • Color: Blue, Gray, Pink, Red,
  • Crochet Hooded Cowl

    Crochet Hooded Cowl

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Hue + Me,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet, Single Crochet Two Together, Slip Stitch, Slip Stitch Back Loop,
    • Color: Blue, Green,
  • Granny Basket

    Granny Basket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Blue, Green, Red, White,
  • Lemon Zest Blanket

    Lemon Zest Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Zeeman,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: White, Yellow,
  • Hop Bunny Hooded Crochet Blanket

    Hop Bunny Hooded Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown,
  • Urban Rib Scarf

    Urban Rib Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobbii,
    • Yarn Name: Upcycle Alpaca Blend Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral,
  • Granny Square Border Blanket

    Granny Square Border Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Zeeman,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8), 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Green, Red, White,
  • Caramel Comfort Throw Blanket

    Caramel Comfort Throw Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Color: Neutral,
  • Cobblestone Pathways Throw

    Cobblestone Pathways Throw

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 40 mm, 6 mm (J-10),
    • Stitches: Double Crochet, Moss / Linen,
    • Color: Neutral,
  • Cozy Pom Pom Beanie

    Cozy Pom Pom Beanie

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Color: Blue, Green, Variegated,
  • Morning Mist Crochet Scarf

    Morning Mist Crochet Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Blue,
  • Quick Half Double Crochet Blanket

    Quick Half Double Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Green,
  • Derby Blanket

    Derby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hayfield,
    • Yarn Name: Dreambaby DK,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 4 mm (G-6), 6 mm (J-10),
    • Stitches: Tunisian Purl Stitch,
    • Color: Blue, Green, Pink, White, Yellow,
  • Block Blanket Crochet

    Block Blanket Crochet

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Zeeman,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Front Loop Single Crochet, Half Double Crochet Front Loop, Single Crochet Back Loop,
    • Color: Brown, Gray, Green, Neutral, Orange, White, Yellow,
  • Seafoam Hotpad Trivet and Coaster Set

    Seafoam Hotpad Trivet and Coaster Set

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Re-Up,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet, Slip Stitch,
  • Faraway Lace Poncho

    Faraway Lace Poncho

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 2 – Fine,
    • Hook Size: 6 mm (J-10),
    • Color: Blue, Green, Variegated,
  • Kid’s Hooded Vest

    Kid’s Hooded Vest

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Paintbox Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Moss / Linen, Single Crochet,
    • Color: Blue, Gray, White,
  • Hug Me Bear Children’s Hooded Sweater

    Hug Me Bear Children’s Hooded Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Double Crochet Increase,
    • Color: Brown, White,
  • Tunisian Lacy Shell Wrap

    Tunisian Lacy Shell Wrap

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Color: Blue,
  • Kid’s Crochet Crown

    Kid’s Crochet Crown

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Shell Stitch, Single Crochet,
    • Color: Yellow,
  • Daniel Diamond Blanket

    Daniel Diamond Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Simple Stitch,
    • Color: Blue, Green,
  • Shipka Cardigan

    Shipka Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown,
  • The Banbury Drape Oversized Crochet Cardigan

    The Banbury Drape Oversized Crochet Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Feels Like Bliss,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
  • The Fall to Winter Crochet Sweater

    The Fall to Winter Crochet Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown, White,
  • Victoria Easy Chunky Crochet Cardigan

    Victoria Easy Chunky Crochet Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Pink, White,
  • Free Hedgehog Amigurumi

    Free Hedgehog Amigurumi

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Weight: Weight 6 – Super Bulky,
    • Hook Size: 5 mm (H-8), 6 mm (J-10),
    • Stitches: Single Crochet, Slip Stitch,
    • Color: Black, Brown, Neutral,
  • Crochet Project Bag Pattern

    Crochet Project Bag Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Moss / Linen, Single Crochet,
    • Color: Pink,
  • Radley Tunisian Hat

    Radley Tunisian Hat

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10), 6.5 mm (K-10.5),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch,
    • Color: Pink, Red,
  • Tunisian Crossed Basketweave Cowl

    Tunisian Crossed Basketweave Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Green, Red,
  • Moon and Stars Tunisian Crochet Blanket

    Moon and Stars Tunisian Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Stylecraft,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Blue, Gray, Orange,
  • Mustard and Co Tunisian Crochet Blanket

    Mustard and Co Tunisian Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet, Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Blue, Gray, Purple, Yellow,
  • Broken Bricks Cowl

    Broken Bricks Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Knit Picks,
    • Yarn Name: Wool of the Andes Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Green, Neutral,
  • Modern Colorful Baby Blanket Crochet Pattern

    Modern Colorful Baby Blanket Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: Unforgettable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Variegated,
  • Daydream Square

    Daydream Square

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Color Theory,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Double Crochet Increase, Half Double Crochet, Single Crochet, Slip Stitch Back Loop,
    • Color: Brown, Gray, Pink,
  • Ahavah Baby Blanket

    Ahavah Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarn and Colors,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Color: Brown, Pink, Variegated, White,
  • Easy Crochet Hot Pads with Handles

    Easy Crochet Hot Pads with Handles

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral,