US 10 knitting needles (6 mm)
US size 10 knitting needles are 6 mm in the Craft Yarn Council chart.
On old UK and Canadian needles and patterns the same size is number 4.
They are in the recommended needle range for 5 Bulky yarn (Chunky, craft, rug).
Needles around 6 mm
Needles around 6 mm| US | mm | Old UK | Yarn weights |
|---|
| 8 | 5 mm | 6 | 4 Medium |
|---|
| 9 | 5.5 mm | 5 | 4 Medium, 5 Bulky |
|---|
| 10 | 6 mm | 4 | 5 Bulky |
|---|
| 10½ | 6.5 mm | 3 | 5 Bulky |
|---|
| — | 7 mm | 2 | 5 Bulky |
|---|
Yarn weights for 6 mm needles
Yarn weights for 6 mm needles| Weight | Knit gauge | Needles |
|---|
| 5 Bulky | 12–15 sts per 4 in (10 cm) | 5.5–8 mm (US 9–11) |
|---|
The same size in crochet hooks
A 6 mm crochet hook is J-10.
Sizes from the Craft Yarn Council’s Hooks & Needles standard; old UK / Canadian numbers are the wire-gauge sizes used before metric. Go by the millimeter size printed on the needle.
Other knitting needle sizes
Frequently asked questions
What size in mm is a US 10 knitting needle?
A US 10 needle is 6 mm.
What yarn goes with 6 mm knitting needles?
They are in the recommended needle range for 5 Bulky yarn (Chunky, craft, rug).
Why don’t UK and US needle numbers match?
Old UK numbers come from a wire gauge where bigger numbers are thinner; US numbers grow with the needle. Millimeters are the same everywhere.