Below is knitting needle conversion chart. Please use this chart as a guide.   Milimeter Range US Size English Size Knitting Needle Conversion Chart. 2 mm 0 14 2.25 mm 1 13 2.75 mm 2 12 3 mm – 11 3.25 mm 3 10 3.5 mm 4 – 3.75 mm 5 9 4 mm 6 – 4.5 mm 7 7 5 mm 8 6 5.25 mm – – 5.5 mm 9 5 5.75 mm – – 6 mm 10 4 6.5 mm 10.5 3 7 mm – 2 7.5 mm – 1 8 mm 11 0 9 mm 13 00