Knitting Needle Conversion Chart

Journal

Jun 27

Written By Harriet

The following chart gives metric needle sizes (in mm) and the corresponding US and UK needle sizes. US sizes are useful if you are knitting a pattern from the USA, and while UK sizes are not often used nowadays, they can still be found in older patterns.

    Metric (mm)
    UK
    US
    Crochet
  


    2
    14
    0
    -
  

    2.25
    13
    1
    B/1
  

    2.5
    -
    1.5
    -
  

    2.75
    12
    2
    C/2
  

    3
    11
    2.5
    -
  

    3.25
    10
    3
    D/3
  

    3.5
    -
    4
    E/4
  

    3.75
    9
    5
    F/5
  

    4
    8
    6
    G/6
  

    4.5
    7
    7
    -
  

    5
    6
    8
    H/8
  

    5.5
    5
    9
    I/9
  

    6
    4
    10
    J/10
  

    6.5
    3
    10.5
    K/10.5
  

    7
    2
    -
    -
  

    7.5
    1
    -
    -
  

    8
    0
    11
    L/11
  

    9
    00
    13
    M/13
  

    10
    000
    15
    N/15
  

    12-12.75
    -
    17
    -
  

    15-16
    -
    19
    -
  

    19
    -
    35
    -
  

    20
    -
    36
    -
  

    25
    -
    50
    -
  