Needle Size Converter
Convert between US, UK, and metric needle sizes instantly
Complete Needle Size Chart
Reference table for all needle size conversions
| US Size | Metric (mm) | UK/Canada | Typical Uses |
|---|---|---|---|
| US 000 | 1.5 mm | UK 14 | Lace, cobweb yarn |
| US 00 | 1.75 mm | UK 13 | Lace, thread |
| US 0 | 2 mm | UK 12 | Lace, fine yarn |
| US 1 | 2.25 mm | UK 11 | Lace, light fingering |
| US 1.5 | 2.5 mm | UK 10 | Socks, fingering |
| US 2 | 2.75 mm | UK 9 | Socks, fingering |
| US 2.5 | 3 mm | UK 8 | Light DK, baby items |
| US 3 | 3.25 mm | UK 7 | Sport, baby items |
| US 4 | 3.5 mm | UK 6 | DK, light worsted |
| US 5 | 3.75 mm | UK 5 | Worsted, aran |
| US 6 | 4 mm | UK 4 | Worsted, aran |
| US 7 | 4.5 mm | UK 3 | Chunky, bulky |
| US 8 | 5 mm | UK 2 | Chunky, bulky |
| US 9 | 5.5 mm | UK 1 | Super bulky |
| US 10 | 6 mm | UK 0 | Super bulky, rugs |
| US 10.5 | 6.5 mm | UK 00 | Jumbo, extreme |
| US 11 | 8 mm | UK 000 | Jumbo, arm knitting |
| US 13 | 9 mm | UK - | Jumbo, blankets |
| US 15 | 10 mm | UK - | Extreme jumbo |
| US 17 | 12 mm | UK - | Extreme jumbo |
| US 19 | 15 mm | UK - | Extreme jumbo |
| US 35 | 19 mm | UK - | Extreme jumbo |
| US 50 | 25 mm | UK - | Extreme jumbo |
Needle Types Guide
Choose the right needles for your project
Straight Needles
Classic single-point needles perfect for flat knitting. Available in various lengths from 9" to 14".
Circular Needles
Two short needle tips connected by a flexible cable. Essential for circular and flat knitting of large pieces.
Double-Pointed (DPNs)
Short needles with points on both ends. Perfect for socks, mittens, and small circular projects.
Interchangeable Sets
Modular systems with detachable tips and cables. One set covers all your needle needs!
Cable Needles
Short, curved needles for holding stitches while creating cable patterns. A must-have for textured designs.
Tapestry Needles
Blunt-tipped needles for weaving in ends and seaming. Essential for finishing your projects.
Needle Material Guide
Bamboo & Wood
Warm to the touch, lightweight, and quiet. Great for slippery yarns and those with hand pain. Slightly more grip than metal.
Best for: Beginners, silk/acrylic yarns, arthritis sufferers
Metal (Aluminum/Steel)
Smooth, fast, and durable. Stitches glide easily, making them great for speed knitting. Can be cold and noisy.
Best for: Experienced knitters, wool yarns, intricate patterns
Carbon Fiber
Lightweight with warm touch like wood, but with the smoothness of metal. Flexible and strong. Often has brass tips for smoother stitching.
Best for: All skill levels, versatile for any yarn
Plastic & Acrylic
Affordable, lightweight, and available in bright colors. Good for beginners and children. Less durable than other materials.
Best for: Beginners, kids, budget-conscious knitters