Crochet Hook 3.75 mm (F-5)

This is the Easy Crochet archive for free crochet patterns using the F/5 hook size. The F-5 hook size is also known as the metric 3.75 mm hook. We recommend using the F hook with Light #3 or Fine #2 weight yarn.

The F-5 / 3.75 mm hook is the perfect size for creating crocheted projects like dishtowels and baby blankets.

Free Crochet Patterns using 3.75 mm (F-5) Crochet Hooks

These free crochet patterns were all created using various yarn types and brands, but all use the 3.75 mm (F-5) sized crochet hook.

Primrose Baby Blanket

Primrose Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Bernat,
  • Yarn Name: Bundle Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Double Crochet, Half Double Crochet,
  • Color: Pink,
Lagoon Baby Blanket

Lagoon Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Bernat,
  • Yarn Name: Bundle Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Double Crochet, Single Crochet Back Loop,
  • Color: Blue,
Blue Bobble Baby Blanket

Blue Bobble Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Bernat,
  • Yarn Name: Bundle Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Bobble, Double Crochet,
  • Color: Blue,
Suffragette Hat Christmas Ornament

Suffragette Hat Christmas Ornament

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 2 – Fine,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Single Crochet,
  • Color: White,
Pug Puppy Sweater

Pug Puppy Sweater

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 2 – Fine,
  • Hook Size: 3.75 mm (F-5), 4 mm (G-6),
  • Stitches: Half Double Crochet, Single Crochet,
Crochet Heart Dishcloth Pattern

Crochet Heart Dishcloth Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Premier Yarns,
  • Yarn Name: Premier Home,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Single Crochet,
  • Color: Neutral,
How to Crochet a Star

How to Crochet a Star

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Knit Picks, WeCrochet,
  • Yarn Name: Brava Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Double Crochet, Herringbone Half Double Crochet, Single Crochet,
  • Color: Gray, Yellow,
Simple Crochet Coin Pouch Pattern

Simple Crochet Coin Pouch Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Re-Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Puff, Single Crochet,
  • Color: Neutral, White,
Crochet Spike Stitch Dishcloth Pattern

Crochet Spike Stitch Dishcloth Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Re-Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Herringbone Half Double Crochet, Single Crochet,
  • Color: Gray, White,
Crochet Chevron Baby Blanket Pattern

Crochet Chevron Baby Blanket Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Feels Like Butta,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Single Crochet, Single Crochet Two Together,
  • Color: Blue, Gray, White,
The “Olivia”, A Free Crochet Top Pattern

The “Olivia”, A Free Crochet Top Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Jeans,
  • Yarn Weight: Weight 3 – Light,
  • Hook Size: 3.75 mm (F-5), 5 mm (H-8),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Blue,
Crochet Tree Gift Card Holder

Crochet Tree Gift Card Holder

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Single Crochet,
  • Color: Green,
Bobble Crochet Hot Pad Pattern

Bobble Crochet Hot Pad Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Bobble, Single Crochet,
  • Color: Blue, Red,
Free Cozy Crochet Hat Pattern

Free Cozy Crochet Hat Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Vanna’s Choice,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Gray,