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Easy Crochet Patterns

Crochet Hook 5.5 mm (I-9)

Buy this hook on Amazon

Free Crochet Patterns using 5.5 mm (I-9) Crochet Hooks

These free crochet patterns were all created using various yarn types and brands, but all use the 5.5 mm (I-9) sized crochet hook.

Dog Sweater Crochet Pattern

Dog Sweater Crochet Pattern

Free Crochet Pattern
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet,
Easy Crochet Cozy Sweater Pattern

Easy Crochet Cozy Sweater Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Red Heart,
  • Yarn Name: Super Saver,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Color: Neutral,
Circle Hot Pad

Circle Hot Pad

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Hobby Lobby,
  • Yarn Name: Crafter’s Secret Cotton,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Slip Stitch,
Spill The Beans Baby Blanket

Spill The Beans Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand, Loops and Threads,
  • Yarn Name: Feels Like Butta,
  • Yarn Weight: Weight 3 – Light,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Puff, Slip Stitch,
  • Color: Variegated,
Spring’s Arrival Scarf

Spring’s Arrival Scarf

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Premier Yarns,
  • Yarn Weight: Weight 3 – Light,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Slip Stitch,
  • Color: Green, Pink, White,
Chunky Crochet Ear Warmer Pattern

Chunky Crochet Ear Warmer Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Woolspun,
  • Yarn Weight: Weight 5 – Bulky,
  • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
  • Stitches: Half Double Crochet, Herringbone Half Double Crochet,
  • Color: Orange,
Ombre Crochet Blanket Pattern (Easy & Quick)

Ombre Crochet Blanket Pattern (Easy & Quick)

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Red Heart,
  • Yarn Name: Super Saver,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet, Slip Stitch,
  • Color: Blue, Green,
Easy Crochet Pocket Shawl Pattern

Easy Crochet Pocket Shawl Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Caron Yarn,
  • Yarn Name: Simply Soft,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6), 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Orange,
Easy Crochet Lovey Pattern

Easy Crochet Lovey Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Knit Picks, WeCrochet,
  • Yarn Name: Brava Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Gray,
Modern Crochet Baby Granny Stitch Blanket

Modern Crochet Baby Granny Stitch Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Knit Picks, WeCrochet,
  • Yarn Name: Brava Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet,
  • Color: Blue, Gray, Pink, Purple,
Easy Crochet Lap Blanket

Easy Crochet Lap Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Feels Like Butta, Mandala,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
  • Color: Blue,
Clara Crochet Ripple Blanket

Clara Crochet Ripple Blanket

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Bobble, Double Crochet, Single Crochet,
  • Color: Blue, Green, Pink,
Crochet Velvet Headband Pattern

Crochet Velvet Headband Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Bernat, Yarnspirations,
  • Yarn Weight: Weight 5 – Bulky,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Neutral,
Bobble Stitch Crochet Scarf Pattern

Bobble Stitch Crochet Scarf Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Crayola™ Cake,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Bobble, Single Crochet,
  • Color: Gray, Neutral,
Fall Herringbone Half Double Crochet Blanket Pattern

Fall Herringbone Half Double Crochet Blanket Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Herringbone Half Double Crochet,
  • Color: Orange, Red, Yellow,
Free and Easy Crochet Headband Pattern for Winter

Free and Easy Crochet Headband Pattern for Winter

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Woolspun,
  • Yarn Weight: Weight 5 – Bulky,
  • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Neutral,
Simple Stitch Crochet Baby Blanket

Simple Stitch Crochet Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Basic Stitch Yarn,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
  • Color: Blue,
How to Crochet a Heart for Beginners

How to Crochet a Heart for Beginners

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet,
  • Color: Pink,
Luna Chevron Scarf Crochet Pattern

Luna Chevron Scarf Crochet Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Shawl in a Ball,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Blue,
Easy Hat Crochet Pattern: The Leigh

Easy Hat Crochet Pattern: The Leigh

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Jeans,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Blue,
Simple Striped Granny Scarf Crochet Pattern

Simple Striped Granny Scarf Crochet Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet,
  • Color: Blue,
Free Mini Crochet Basket Pattern

Free Mini Crochet Basket Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Wool and the Gang,
  • Yarn Name: Tina Tape Yarn,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Single Crochet,
  • Color: Green,
Emily Diagonal Beanie Crochet Hat Pattern

Emily Diagonal Beanie Crochet Hat Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease Tonal,
  • Yarn Weight: Weight 5 – Bulky,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Gray,
Striped Crochet Pillow Cover

Striped Crochet Pillow Cover

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Single Crochet,
  • Color: Blue,
Easy Crochet Glasses Case Pattern

Easy Crochet Glasses Case Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet,
  • Color: Neutral,
Ombre Ripple Crochet Blanket Pattern

Ombre Ripple Crochet Blanket Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Half Double Crochet Decrease,
  • Color: Blue,
Crochet Button Cowl Pattern The Penn

Crochet Button Cowl Pattern The Penn

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Pink,
How to Crochet a Heart with Two Colors

How to Crochet a Heart with Two Colors

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet, Slip Stitch,
  • Color: Pink,
Half & Half Boot Cuffs – Crochet Pattern

Half & Half Boot Cuffs – Crochet Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Single Crochet,
  • Color: Neutral,
Crochet Beanie Pattern Taupe It

Crochet Beanie Pattern Taupe It

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Neutral,
Free Autumn Crochet Beanie Pattern

Free Autumn Crochet Beanie Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet,
  • Color: Green,
Free Easy Crochet Dishcloth Pattern (2 sizes)

Free Easy Crochet Dishcloth Pattern (2 sizes)

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Neutral,
Easy & Free Rosette Flower Crochet Pattern

Easy & Free Rosette Flower Crochet Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Brown, Pink,
Christmas Crochet Flowers

Christmas Crochet Flowers

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet, Slip Stitch,
  • Color: Green,
Crochet Criss-Cross Bobble Flower

Crochet Criss-Cross Bobble Flower

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Caron Yarn,
  • Yarn Name: Simply Soft,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet,
Free Easy Crochet Boot Cuffs Pattern

Free Easy Crochet Boot Cuffs Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Puff, Single Crochet,
  • Color: Gray, Neutral,
Gamer Beanie Crochet Pattern

Gamer Beanie Crochet Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Red Heart,
  • Yarn Name: Red Heart Soft,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet, Slip Stitch,
  • Color: Black, Green,
Crochet Flower Beanie Hat

Crochet Flower Beanie Hat

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Color: Pink,
Patriotic Crochet Pillow Pattern

Patriotic Crochet Pillow Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Single Crochet,
  • Color: Blue, Red, White,

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Yarn Weights Using 5.5 mm (I-9)

  • Weight 3 - Light
  • Weight 4 - Medium

Other Popular Hook Sizes

  • 6 mm (J-10)
  • 5 mm (H-8)
  • 4 mm (G-6)
  • 5.5 mm (I-9)
  • 4.5 mm (7)
  • 9 mm (M/N-13)
  • 2.25 mm (B-1)
  • 3.5 mm (E-4)
  • 6.5 mm (K-10.5)
  • 10 mm (N/P-15)
  • View all →

Hook Details

US Name:I-9
UK Name:5
Metric Name:5.5 mm
Yarn Weight:This crochet hook size works well when paired with the following yarn weight(s).
  • LightWeight #3: DK or Light Worsted
  • Medium Weight #4: Worsted, Afghan or Aran
5.5 mm (I-9) Crochet Hooks

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Hello and welcome to Easy Crochet! I'm Krista, and I've been designing modern crochet patterns since 2010. This free pattern website was created to showcase crochet tutorials, techniques, and more!

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