3 mm knitting needles
3 mm knitting needles have no US number in the Craft Yarn Council chart; they are sold by their millimeter size.
On old UK and Canadian needles and patterns the same size is number 11.
They are in the recommended needle range for 1 Super Fine yarn (Sock, fingering, baby).
Needles around 3 mm
Needles around 3 mm| US | mm | Old UK | Yarn weights |
|---|
| 1 | 2.25 mm | 13 | 0 Lace, 1 Super Fine |
|---|
| 2 | 2.75 mm | 12 | 1 Super Fine |
|---|
| — | 3 mm | 11 | 1 Super Fine |
|---|
| 3 | 3.25 mm | 10 | 1 Super Fine, 2 Fine |
|---|
| 4 | 3.5 mm | — | 2 Fine |
|---|
Yarn weights for 3 mm needles
Yarn weights for 3 mm needles| Weight | Knit gauge | Needles |
|---|
| 1 Super Fine | 27–32 sts per 4 in (10 cm) | 2.25–3.25 mm (US 1–3) |
|---|
The same size in crochet hooks
There is no 3 mm crochet hook in the Craft Yarn Council chart.
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 US size is a 3 mm knitting needle?
None: 3 mm has no US number in the Craft Yarn Council chart. Buy it by its millimeter size.
What yarn goes with 3 mm knitting needles?
They are in the recommended needle range for 1 Super Fine yarn (Sock, fingering, baby).
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.