Shoe Width Sizes

The US and UK shoe size systems have a range of width fittings using an alphabetical notation, the Mondopoint system uses the width of the foot in millimetres. The European system seems to have no standard width fittings, however some French outlets give widths as Largeur Confort, Grande Largeur, Extra Larges and Ultra Larges getting wider for each and some German outlets give widths as Schmal, Standard/Normal, Weit.

US and UK width fittings are based around the circumference around the widest part of the foot (as are the german width fittings) whereas Mondopoint widths are based around the width at the widest part of the foot. This makes a comparison between US and UK fittings easy, but comparison against Mondopoint is dependent on the shoe size as well as the width.

Ladies US To UK Width Fitting Conversion Table

Width US US Alternate UK
Extremely Narrow SS AAAA -
Very Narrow S AAA AAA
Narrow N AA/A AA
Standard M/R B B
Wide W C/D C
Very Wide WW/EW/XW EE/EEE D
Triple Wide WWW EEEE E
Designer Fashion Shoe

Note: The US fitting letters are abbreviations as follows:

  • SS - Extra Slim (or Quad)
  • S - Slim
  • N - Narrow
  • M - Medium
  • R - Regular (Equivalent to Medium)
  • W - Wide
  • WW/EW/XW - Extra Wide, Double Wide
  • WWW - Triple Wide

Extra Wide and Triple Wide feet are often caused by obesity and poor circulation that causes the feet to swell if you are looking for shoes in these widths it would be sensible to consult your doctor for recommendations for orthopaedic (medical) shoes.

The alternate US width fitting system is an older system which is slowly being replaced. In this system AA and A, C and D and EE and EEE are seperate sizes, they are grouped for comparison with the main system.

Width fitting to foot circumference measurements for US ladies sizes.

Mens US To UK Shoe Width Fitting Conversion Table

The standard width for mens shoes is the US D Fitting and UK F Fitting and shoes without a width indicated will usually be suitable for someone who can wear those fittings.

US UK Obsolete UK
B D Fitting 4
C E Fitting 5
C+ E+/EX -
D F Fitting 6
E/D+ F+/FX -
EE G Fitting 7
EEE G+/GX -
EEEE H Fitting 8
EEEEEE - -
Work Boots

Note: Some UK outlets are now showing width fittings using the US notation, this may be due to them importing shoes from the far east without specifying UK sizes, so it would be worthwhile checking that they are selling UK rather than US size shoes when you see US width fittings specified by a UK outlet.

Width fitting to foot circumference measurements for US mens sizes.

For UK width fittings as shoe size goes up by one the width fitting increases in size, such that a size 10F is the same width as a size 9G and a size 8H as per the table below:

Size E Fitting F Fitting G Fitting H Fitting
7 - - - W1
8 - - W1 W2
9 - W1 W2 W3
10 W1 W2 W3 -
11 W2 W3 - -
12 W3 - - -

 

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