Understanding Shoe Sizing: a complete guide with easy to use size charts

Based on 100’s of shoe size charts our Expert Pablo has put together a Shoe Sizing guide that explains all shoe size basics, like shoe length, shoe width, and the international shoe size conversion. To answer the most asked questions like How do I know my shoe size? or What size is a US 8 in EU sizes? this page will deal with a clear how to measure your feet list and international shoe size conversion charts for men, women, and kids. To end this shoe sizing overview there’s a paragraph about Shoe width included.

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Shoe Sizing Basics

Shoe Length

Your numerical shoe size, whether you are buying Italian shoes or American shoes, is based on the length of your foot. This is the distance from your heel to your longest toe. It does not account for shape variations or width. Learn how to measure your foot below

Shoe Width

Although most shoes only come in standard widths, there’s an increasing number of brand which are available in wider or narrower styles. Knowing the width of your foot and how it compares to a pair of shoes is essential for a comfortable fit.
Shoe width is usually described with a letter or group of letters, such as “D” or “EEEE.” Sometimes, the letters are replaced by a combination of letters and numbers, such as “4E.” It’s important to note that the width sizing is also dependent on your foot’s length. For instance, if your foot is 3 9/16 inches wide and you wear a size 8, this is considered regular width. However, if you have a foot that is 3 9/16 inches wide and you wear a size 5, you’ll need a wide shoe. Learn all about the importance of width in shoe sizing here

Children’s shoes usually do not come in varying widths.

International Shoe Size Conversion

In the United States, women’s shoes come in whole and half sizes that range from 4 through 12. Men’s shoes have whole and half sizes from 6 through 16.

However, numerical sizes are different in other countries. For instance, a woman who wears a size 6 in the United States will wear a size 4 in the United Kingdom, a size 36/37 in Europe, and a size 23 in Japan.

Finding Your Shoe Size

From infant’s crib shoes to men’s work boots, shoes are sized according to length and width. Understanding how your foot compares to the standard sizes will ensure your shoes fit perfectly, whether you buy them in a real store or order them online.

Measure your feet for the right shoes size

How do I know my Shoe size?

You will need: your a pair of socks, a piece of paper or cardboard, a tape measure or ruler, and a pen

Time needed: 3 minutes.

How should shoes fit and how to define the perfect fitting shoe Size?
10 easy steps to measure your feet correctly:

  1. Measure your feet in the afternoon.
    Your feet swell during the day, it’s best to measure your feet at their fullest
  2. Stand When Measuring
    When in a wheelchair there’s no pressure on the feet, so it’s unnecessary to stand up.
  3. Wear socks
    Most of the time, you wear socks. Make sure you wear socks when you measure your feet. If you plan to buy clogs or sandals, you can leave the socks behind.
  4. Be precise
  5. Measure both feet
    Measure your left and right foot separately as they’re not the same length. Take the biggest measurement to determine your running shoes Size
  6. Stand on your piece of paper
    Keeping your body weight over your foot, trace a thin line around the outside of your entire foot.
  7. Start drawing
    When drawing the line, hold the pen perpendicular to the ground.
  8. Measure the length of your feet
    Measure vertically down the length of your foot tracing. This is your foot length.
  9. Find your width fitting by drawing or with measuring tape
    Measure horizontally across the widest part of your foot tracing. This is your foot width. A post dedicated on the importance of the width of shoes and the different width sizing systems for shoes you find here
  10. Determine your running shoe size in the conversion charts
    Start from the measurement in inches or centimeters and define your size in the charts for men, women or children

Read our dedicated How To Measure Your Feet Post

shoe sizing how to measure your feet - how to place heel, paper and pencil
shoe sizing how to measure your feet – how to place heel, paper and pencil

Helpful Measuring Tips and takeaways in a nutshell

Keep these tips in mind to help you get the best results from your measurement:

  1. Take your measurements at the end of the day
  2. When measuring, wear the socks or tights you plan to wear with this pair of shoes.
  3. Always trace and measure both feet.
  4. Use the largest foot to find your shoe size.
  5. to keep your balance while tracing, do it next to a chair or table that you can hold to steady yourself.
  6. Some people also find it easier to have a friend trace the foot.

Shoe Size Conversion Charts

Men's and Women's shoe size conversion chart - example of a shoe sizing chart for men and women with shape of feet - insoles
Men’s and Women’s shoe size conversion chart with shape of feet – insoles (by Threadcurve)

Women’s Shoe sizing Length and Width Charts

Length (inches)Length (centimeters)US SizeUK SizeEuropean SizeJapanese Size
8 9/16″21.6 cm5335/3622
8 3/4″22.2 cm5.53.53622.5
8 7/8″22.5 cm6436/3723
9 1/16″23 cm6.54.53723.5
9 1/4″23.5 cm7537/3824
9 3/8″23.8 cm7.55.53824.5
9 1/2″24.1 cm8638/3925
9 11/16″24.6 cm8.56.53925.5
9 7/8″25.1 cm9739/4026
10″25.4 cm9.57.54026.5
10 3/16″25.9 cm10840/4127
10 3/8″26.2 cm10.58.54127.5
10 1/2″26.7 cm11941/4228
10 11/16″27.1 cm11.59.54228.5
10 7/8″27.6 cm121042/4329
US SizeNarrow (AA) (inches)Narrow (AA) (cm)Medium (M or B) (inches)Medium (M or B) (cm)Wide (D) inchesWide (D) (cm)Extra Wide (EE) (inches)Extra Wide (EE) (cm)
52 13/16″7.1 cm3 3/16″8.1 cm3 9/16″9 cm3 15/16″10 cm
5.52 7/8″7.3 cm3 1/4″8.3 cm3 5/8″9.2 cm4″10.1 cm
62 15/16″7.5 cm3 5/16″8.4 cm3 11/16″9.4 cm4 1/16″10.3 cm
6.53″7.6 cm3 3/8″8.6 cm3 3/4″9.5 cm4 1/8″10.5 cm
73 1/16″7.8 cm3 7/16″8.7 cm3 13/16″9.7 cm4 3/16″10.6 cm
7.53 1/8″8 cm3 1/2″8.9 cm3 7/8″9.9 cm4 1/4″10.8 cm
83 3/16″8.1 cm3 9/16″9 cm3 15/16″10 cm4 5/16″11 cm
8.53 1/4″8.3 cm3 5/8″9.2 cm4″10.1 cm4 3/8″11.1 cm
93 5/16″8.4 cm3 11/16″9.4 cm4 1/16″10.3 cm4 7/16″11.3 cm
9.53 3/8″8.6 cm3 3/4″9.5 cm4 1/8″10.5 cm4 1/2″11.4 cm
103 7/16″8.7 cm3 13/16″9.7 cm4 3/16″10.6 cm4 9/16″11.6 cm
10.53 1/2″8.9 cm3 7/8″9.9 cm4 1/4″10.8 cm4 5/8″11.8 cm
113 9/16″9 cm3 15/16″10 cm4 5/16″11 cm4 11/16″11.9 cm
11.53 5/8″9.2 cm4″10.1 cm4 3/8″11.1 cm4 3/4″12.1 cm
123 11/16″9.4 cm4 1/16″10.3 cm4 7/16″11.3 cm4 13/16″12.2 cm

Men’s Shoe sizing Length and Width Charts

International men’s shoe size conversion chart with cms, inches, US Size, UK Size, EU sizes, and much more

Length (inches)Length (centimeters)US SizeUK SizeEuropean SizeJapanese Size
9 1/4″23.5 cm65.53925
9 1/2″24.1 cm6.5639/4025.5
9 5/8″24.4 cm76.54026
9 3/4″24.8 cm7.5740/4126.5
9 15/16″25.4 cm87.54127
10 1/8″25.7 cm8.5841/4227.5
10 1/4″26 cm98.54228
10 7/16″26.7 cm9.5942/4328.5
10 9/16″27 cm109.54329
10 3/4″27.3 cm10.51043/4429.5
10 15/16″27.9 cm1110.54430
11 1/8″28.3 cm11.51144/4531
11 1/4″28.6 cm1211.54532
11 1/2″29.2 cm12.51245/46
11 9/16″29.5 cm1312.546
11 3/4″30.2 cm13.51346/47
12 3/16″31 cm1413.547
12″31 cm14.51447/48
12 1/8″31.4 cm1514.548
12 1/2″32 cm161549/50
13″33 cm17
US Shoe SizeNarrow (B) (inches)Narrow (B) (cm)Medium (D) (inches)Medium (D) (cm)Wide (EE) (inches)Wide (EE) (cm)Extra-Wide (4E) (inches)Extra-Wide (4E) (cm)Extra, Extra-Wide (6E) (inches)Extra, Extra-Wide (6E) (cm)
63 5/168.43 1/28.93 11/169.43 7/89.84 1/1610.3
6.53 3/88.63 9/169.03 3/49.53 15/1610.04 1/810.5
73 7/168.73 5/89.23 13/169.7410.24 3/1610.6
7.53 1/28.93 11/169.43 7/89.84 1/1610.34 1/410.8
83 9/169.03 3/49.53 15/1610.04 1/810.54 5/1611.0
8.53 5/89.23 13/169.7410.24 3/1610.64 3/811.1
93 11/169.43 7/89.84 1/1610.34 1/410.84 7/1611.3
9.53 3/49.53 15/1610.04 1/810.54 5/1611.04 1/211.4
103 13/169.7410.24 3/1610.64 3/811.14 9/1611.6
10.53 7/89.84 1/1610.34 1/410.84 7/1611.34 5/811.7
113 15/1610.04 1/810.54 5/1611.04 1/211.44 11/1611.9
11.5410.24 3/1610.64 3/811.14 9/1611.64 3/412.1
124 1/1610.34 1/410.84 7/1611.34 5/811.74 13/1612.2
12.54 1/810.54 5/1611.04 1/211.44 11/1611.94 7/812.4
134 3/1610.64 3/811.14 9/1611.64 3/412.14 15/1612.5
13.54 1/410.84 7/1611.34 5/811.74 13/1612.2512.7
144 5/1611.04 1/211.44 11/1611.94 7/812.45 1/1612.8
14.54 3/811.14 9/1611.64 3/412.14 15/1612.55 1/813.0
154 7/1611.34 5/811.74 13/1612.2512.75 3/1613.2

Women to Men Shoes Sizes compared

While men’s and women’s shoe sizes are clear and easy to understand. For sneaker and sports brands like Nike, Puma, Skechers, or Adidas Many people ask “What size would a man be in women’s shoes?” or “how do men’s and women’s shoe sizes actually compare?“.  There’s a 1.5-size difference between the two.  So if a woman wears a women’s size 12.5, that corresponds to a  men’s size 11.

Read about

Children’s Shoe Sizing Chart

Kid's shoe size conversion chart - youth shoe sizing
Kid’s shoe size conversion chart – youth shoe sizing (by threadcurve)

Children’s shoes mainly come in 1 width. Check the below International kids’ shoe size conversion chart with cms, inches, US Size, UK Size, EU sizes, and much more. From Shoe sizes for Newborns, toddlers, kids, and youth.

A Detailed Children Shoe size by Age post can be found here

Length (inches)Length (centimeters)US SizeUK SizeEuropean SizeJapanese Size
3 1/8″7.9 cm0015
3 1/2″8.9 cm10.516
3 5/8″9.2 cm1.5117
3 3/4″9.5 cm2117
4″10.2 cm2.51.518
4 1/8″10.5 cm321812
4 1/4″10.8 cm3.52.51912/12.5
4 1/2″11.4 cm431912.5
4 5/8″11.7 cm4.53.52012.5/13
4 3/4″12.1 cm542013
5″12.7 cm5.54.52113.5
5 1/8″13 cm652214
5 1/4″13.3 cm6.55.52214/14.4
5 1/2″14 cm762314.5
5 5/8″14.3 cm7.56.52314.5/15
5 3/4″14.6 cm872415
6″15.2 cm8.57.52514/15.5
6 1/8″15.6 cm982515.5
6 1/4″15.9 cm9.58.52616
6 1/2″16.5 cm1092716.5
6 5/8″16.8 cm10.59.52716.5/17
6 3/4″17.1 cm11102817
7″17.8 cm11.510.52917/17.5
7 1/8″18.1 cm12113017.5
7 1/4″18.4 cm12.511.53018
7 1/2″19.1 cm13123118.5
7 5/8″19.4 cm13.512.53118.5/19
7 3/4″19.7 cm1133219
8″20.3 cm1.5143319.5
8 1/8″20.6 cm213320
8 1/4″21 cm2.51.53420.5
8 1/2″21.6 cm323421
8 5/8″21.9 cm3.52.53521.5
8 3/4″22.2 cm433622
9″22.9 cm4.53.53622.5
9 1/8″23.2 cm543723
9 1/4″23.5 cm5.54.53723.5
9 1/2″24.1 cm653824
9 5/8″24.4 cm6.55.53824.5
9 3/4″24.8 cm763925

Shoe Sizing Explained (video)

Shoe Sizing explained by Hes Kicks

Important First Step in getting shoe sizing right

Knowing your shoe size is a very important first step in finding a comfortable pair of shoes. Keep in mind that some manufacturers may deviate from the traditional sizing charts, so it’s always a good idea to double-check you measurements against those of the specific shoe brand you’re considering. That way, you can be positive you’ll end up with shoes that feel as good as they look.

Questions about Shoe Sizing

What does EU or European mean in shoe size?

Euro shoe sizes are different than US or UK shoe sizes. based on the size-charts on this page you learn that if you wear a men’s US size 10 shoe then size 43 is likely your Euro size. A Quick tip to Convert women’s US sizing to Euro Sizing by adding 31 to your US shoe size. For example, if you wear a women’s US size 7 shoe then size 38 is likely your Euro size.

Does half a size make a difference in shoe size?

Half sizes are made to give you more room and comfort if your feet are snug or tight in the full size below your size. In normal footwear it’s not really that much of a difference. In Running shoes or work boots half a size can really affect your performance. Half sizes are typically an extra more or less 1/9th of an inch or 3.33 centimeters to the length of the shoe.

Should my toe touch the end of my shoe?

In no circumstances, your toes should touch the end of the shoe. Your heel should feel comfortably cupped in the back of the shoe (heelcounter), which ensures that your foot won’t slip out from the back of the shoe. your toes must be able to move freely in your shoes. The shape of the shoe affects the length of your shoe. Pointy, narrow shoes will squeeze your toes together but still offer room at the end of your feet. Too small shoes can cause painful toes, blisters and much more unpleasant side effects.

How do you know if a shoe is too small?

How to tell if shoes are too big or too small. Start with looking at how much room there is in the toe of the shoe. About one finger’s width of space between your longest toe and the end of the shoe, is the bare minimum

What does D mean in shoes?

A ‘D’ width is the most common size for men and is considered a Normal/Medium/Standard width. For women, a ‘D’ width is considered Wide. Check the above shoe width size charts for men and women to find your size.

Picture in this post is by Pexels