Ladies' Shoe Size Table

US & Can 4 5 6 7 8 9 10 10½ 11 11½ 12 12½
European 35 35 36 36 37 38 38 39 40 40 41 41 42 43 43 44 45 45
UK 2 3 4 5 6 7 8 9 10 10½
Australia 4567891010½1111½1212½
Japan 2222.52323.523.52424.52525.5262626.52727.52828.52929
Mondopoint 220225230235235240245250255260260265270275280285290290
USEurUKAusJapMon
4352422220
3522.5225
5363523230
3623.5235
6374623.5235
3824240
7385724.5245
3925250
8406825.5255
4026260
9417926260
4126.5265
104281027270
10½4310½27.5275
114391128280
11½4411½28.5285
1245101229290
12½4510½12½29290

 

The table above uses most common American ladies' shoe sizes as its base and gives conversions to other sizes that are correct for the top of the size, so if you are only just into a size you may need the size below that given here.

The common US ladies' shoe sizes are based on US mens sizes, ladies' sizes are mens size plus 1½, thus a ladies' size 8½ is the same length as a men's size 7.

There is an alternative, less popular system, called the "standard" or Footwear Industries of America (FIA) scale in which the ladies' size is the men's size plus one. In this scale a ladies' sizes 8½ is the same length as the men's size 7½

Men's Shoe Size Table

US/Can 4 5 6 7 8 9 10 10½ 11 11½ 12 12½ 13
Euro 35 36 36 37 38 38 39 40 40 41 42 42 43 43 44 45 45 46 47 47
UK 3 4 5 6 7 8 9 10 10½ 11 11½ 12
Aus 3 4 5 6 7 8 9 10 10½ 11 11½ 12
Japan 22.5 23 23.5 23.5 24 24.5 25 25.5 26 26 26.5 27 27.5 28 28.5 29 29 29.5 30 30.5
Mondo 225 230 235 235 240 245 250 255 260 260 265 270 275 280 285 290 290 295 300 305
USEurUKAusJapMon
3522.5225
4363323230
3623.5235
5374423.5235
3824240
6385524.5245
3925250
7406625.5255
4026260
8417726260
4226.5265
9428827270
4327.5275
10439928280
10½4428.5285
1145101029290
11½4510½10½29290
1246111129.5295
12½4711½11½30300
1347121230.5305

 

The table above uses American shoe sizes as its base and gives conversions to other sizes that are correct for the top of the size, so if you are only just into a size you may need the size below that given here.

US men's shoe sizes are based on a fixed scale, originating from the middle ages and updated in the 19th century.

Boy's & Girl's Shoe Size Table

US & Can 6 7 8 9 10 10½ 11 11½ 12 12½ 13
European 23 23 24 25 25 26 27 27 28 28 29 30 30 31 32
UK 6 7 8 9 10 10½ 11 11½ 12 12½ 13
Australia 6 7 8 9 10 10½ 11 11½ 12 12½ 13
Japan 14 14.5 15 15.5 16 16 16.5 17 17.5 18 18.5 19 19 19.5 20
Mondopoint 140 145 150 155 160 160 165 170 175 180 185 190 190 195 200
US & CanEurUKAusJapMon
6236614140
2314.5145
7247715150
2515.5155
8258816160
2616160
9279916.5165
2717170
1028101017.5175
10½2810½10½18180
1129111118.5185
11½3011½11½19190
1230121219190
12½3112½12½19.5195
1332131320200

 

The table above uses American children's shoe sizes as its base and gives conversions to other sizes that are correct for the top of the size, so if you are only just into a size you may need the size below that given here.

US Womens Shoes
Cowboy Boots
Childrens Trainers

American Edwin Simpson developed a new sizing system in 1880 and it is still being used today. Simpson's system is based on a 1/3 inch difference between whole sizes and 1/6 inch difference in half sizes. His system measures the length, waist, ball width, heel and instep and those measurements are used to make shoes lasts, which are the templates that give the shoe its form.

Shoe sizing was a "do your own thing" system until King Edward II came up with an official system using barleycorns as measuring tools, in 1374. Three barleycorns equaled an inch, so a British shoe sizing system was established where each barleycorn or a 1/3" would represent a shoe size. American Edwin Simpson developed a new sizing system in 1880 and it is still being used today. Simpson's system is based on a 1/3 inch difference between whole sizes and 1/6 inch difference in half sizes. His system measures the length, waist, ball width, heel and instep and those measurements are used to make shoes lasts, which are the templates that give the shoe its form.

The system is based on these proportional measurements, so each time the length increases the other measurements increase as well. Every size has a corresponding last. Left and right lasts were developed a few years before Simpson's system, so once the proportional measuring system was incorporated in the shoe factories around Boston, there was no need to use the English system.

Shoe lasts are designed so shoes fit all feet, although the sizing system is not an exact science due to the variations in the human anatomy and different shoe styles. Shoe lasts are designed for a particular toe shape as well as heel height so different styles fit differently based on the foot shape, as well as the style. The actually numbers used to denote sizes are still based on the barleycorn system. A size 9 shoe is not 9 inches long, the 9 stands for 9 barleycorns. Letters are used to denote the width size. "D" is considered medium width or the standard width of most feet and E, EE and EEE are considered wide widths. C, B, A, AAA are narrow widths. EEE is the widest and AAA the narrowest.

Today's shoe factories manufacturer shoes that are 95% D width; wide widths and narrow sizes are considered specialty sizes. They are more expensive to produce because of the equipment cost. A typical American shoe size run would start at size 5 or 6 in men's and continue through size 13 including half sizes except for 12-1/2. Women's sizes also start at a 5 or 6 and continue through size 10 or 11 with half sizes except for 9-1/2 or 10-1/2 depending on the size run. Feet sizes have increased over the years, but large sizes are still made-to-order items. Children's shoes have four different size runs which are: pre-walker, infant, youth and misses. Athletic shoes use a sizing system based on millimeters not barleycorns, so there is a difference in fit.

The sizing system in England is one size different than the American system in width as well as length. The English system starts at 0 and the American system starts at 1. The American shoe sizing system is used to produce shoes for the U.S and Puerto Rico, parts of Asia and Africa, the Caribbean Islands and sometimes for Canada.

OTHER SYSTEMS

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