
Crochet Hook 4.5 mm (7)
The 4.5 mm crochet hook – otherwise known as a size #7 hook – is used for lighter yarns, such as #2 Fine/Sport/Baby and #3 Light/DK/Worsted. This hook is great for any crochet project where you want a crochet project that is tight with little give or holes. Dishcloths, beanies, and sweaters all work up great with the 4.5 mm / 7 crochet hook.
Free Crochet Patterns using 4.5 mm (7) Crochet Hooks
These free crochet patterns were all created using various yarn types and brands, but all use the 4.5 mm (7) sized crochet hook.


Labyrinth Poncho
Free Crochet Pattern

Cole’s Pumpkin Crochet Beanie
Free Crochet Pattern

Cool Crochet Balaclava
Free Crochet Pattern

Cool Crochet Bucket Hat
Free Crochet Pattern

Franny Granny Adult Cardigan
Free Crochet Pattern

Franny Granny Adult Dress
Free Crochet Pattern

Franny Granny Child Dress
Free Crochet Pattern

Hyacinth Bucket Hat
Free Crochet Pattern

Block Blanket Knit
Free Crochet Pattern

Seda Triangle Bandana
Free Crochet Pattern

Sunburst Square Bucket Hat
Free Crochet Pattern

Franny Granny Square Sweater
Free Crochet Pattern

Worry Worm
Free Crochet Pattern

Bee Worry Worm Crochet Pattern
Free Crochet Pattern

Franny Granny Square Cardigan
Free Crochet Pattern

Spring to Summer Light Mesh Top
Free Crochet Pattern

Rosa Shawlette
Free Crochet Pattern

Franny Granny Child Cardigan
Free Crochet Pattern

Franny Granny Child Sweater
Free Crochet Pattern

Franny Granny Child Hoodie
Free Crochet Pattern

Tunisian Heart Coaster
Free Crochet Pattern

Lovely Heart Coaster
Free Crochet Pattern

Theo Amigurumi No Sew Bunny
Free Crochet Pattern

Your First Crochet Beginner Sweater Pattern
Free Crochet Pattern

Flower Granny Bag
Free Crochet Pattern

Franny Granny Poncho
Free Crochet Pattern

Tweed Stacking Pumpkins
Free Crochet Pattern

Apple Crochet Coaster Pattern for Fall
Free Crochet Pattern

Crochet Dog Bed
Free Crochet Pattern

Easy Crochet Ombre Shell Stitch Baby Blanket
Free Crochet Pattern

Helen Shawl
Free Crochet Pattern

Crochet Backless Crop Top Pattern
Free Crochet Pattern

Ela Facecloth Set
Free Crochet Pattern

Blossom Shawl
Free Crochet Pattern

Deidra Sweater
Free Crochet Pattern

Misty Sunrise Shawl
Free Crochet Pattern

Easy Crochet Dishcloth Pattern for Beginners (all single crochets!)
Free Crochet Pattern

Spring Crochet Scarf
Free Crochet Pattern

Bingley Hat
Free Crochet Pattern

Mishelka Blanket
Free Crochet Pattern

Crochet Diamond Mesh Top
Free Crochet Pattern

Herringbone Moss Sweater
Free Crochet Pattern

Crochet Kitchen Towel
Free Crochet Pattern

Herringbone Backpack
Free Crochet Pattern

Double Waffle Crochet Baby Blanket
Free Crochet Pattern

Christmas Mini Hat Ornaments Crochet
Free Crochet Pattern

Thermal Crochet Coaster
Free Crochet Pattern
Common Questions About 4.5 mm (7)
Here we answer some common questions about 4.5 mm (7).
How many millimeters is the 7 sized crochet hook?
Answer: Unfortunately, crochet hook manufacturers have not kept this standard. Some #7 size hooks are 4.5mm while others are 4.75mm. Both of these are considered the correct size for a #7 US hook .