Shoe Size Converter

Convert Any Shoe Size Instantly

US, UK, EU, India, Japan, CM — for men, women & kids. Fast, accurate, and free.

Select a size above to see conversions

Popular Conversions

Quick Shoe Size Conversions

Jump to the most commonly searched shoe size conversion. Each page includes a dedicated converter and full chart.

🇺🇸→🇪🇺US → EU🇺🇸→🇬🇧US → UK🇺🇸→🇮🇳US → India🇪🇺→🇺🇸EU → US🇬🇧→🇺🇸UK → US🇮🇳→🇺🇸India → US🇪🇺→🇬🇧EU → UK📏CM → All

Find My Shoe Size

Find Your Size by Foot Length

Enter your foot length in centimeters or inches — instantly see your shoe size in every system.

Measure heel to longest toe on flat ground

Enter your foot length above to see results

Quick Reference

cminUS MUS WEUIndia
239.1"56.5364
249.4"67.5385
259.8"78.5406
2610.2"89.5417
2710.6"910.5428
2811.0"1011.5439
2911.4"11124410
3011.8"12—4511

How to Measure

  1. 1
    PreparePlace paper on a hard floor against a wall
  2. 2
    Stand naturallyHeel touching wall, weight even
  3. 3
    Mark longest toePencil mark at the tip
  4. 4
    MeasureWall edge to mark in cm or inches
  5. 5
    Both feetUse the larger measurement
  6. 6
    AfternoonFeet swell — measure later in the day
Full guide

Size Charts

Shoe Size Charts

Complete shoe size charts for men, women and kids — all systems side by side.

USUKEUIndiaJP/CMInches
65.5395249.3"
6.56395.524.59.5"
76.5406259.6"
7.57406.525.59.8"
87.5417269.9"
8.58417.526.510.1"
98.54282710.3"
9.59428.527.510.4"
109.54392810.6"
10.510439.528.510.8"
1110.544102910.9"
11.5114410.529.511.1"
1211.545113011.3"
1312.546123111.6"
1413.547133211.9"

Brand Sizing

Brand-Specific Shoe Sizing

Shoe sizes vary by brand. Here's how the most popular brands compare so you can order the right size first time.

Nike

US / EU

Nike sizes run slightly small. Consider sizing up 0.5, especially for narrow shoes like Air Max. Nike uses US sizing as primary.

Adidas

EU / UK

Adidas shoes tend to run 0.5 larger than Nike. If you're US 9 in Nike, try US 8.5 in Adidas. Adidas uses EU as their primary sizing.

New Balance

US / UK

New Balance is known for true-to-size fit. They offer width options (B, D, 2E, 4E) making them ideal for wide feet.

Puma

EU / UK

Puma sizes are similar to Adidas — slightly large. If between sizes, go half down. Puma uses EU as primary.

Reebok

US / UK

Reebok runs true to size for most models. Their Classic Leather runs slightly narrow; consider a half size up for wide feet.

Converse

US / EU

Converse Chuck Taylors run a full size large. If you're US 9, order a US 8 in Chucks. This is one of the biggest offsets in footwear.

Measurement Guide

How to Measure Your Feet

Follow these steps to get an accurate foot measurement at home — all you need is a sheet of paper, a pencil, and a ruler.

1

Prepare

Place a blank A4 sheet on a hard floor against a wall.

2

Stand naturally

Stand with your heel touching the wall, weight evenly distributed.

3

Mark your longest toe

Make a pencil mark at the tip of your longest toe.

4

Measure

Measure from the wall edge to the pencil mark in cm or inches.

5

Measure both feet

Repeat for the other foot and use the larger measurement.

6

Measure in the afternoon

Feet swell during the day — afternoon gives the best fit.

Tip: If you have wide feet, consider ordering half a size up — foot length measurements don't account for width.

Comprehensive Footwear Authority

AllShoeSizeConverter: The Definitive Global Shoe Size Conversion Guide

Purchasing footwear online has never been more convenient, yet finding the right fit remains one of the greatest challenges in modern e-commerce. With international retailers shipping sneakers, dress shoes, and boots worldwide, consumers regularly encounter conflicting size tags. A men's size 9 in the United States does not equal a size 9 in the United Kingdom, and neither converts directly to a European 42 without understanding regional standards.

According to international retail studies, over 30% of all footwear purchased online is returned, with improper sizing and uncomfortable fit accounting for more than two-thirds of those returns. AllShoeSizeConverter was developed to eliminate this friction entirely. Built as a fast, accessible, and mathematically precise conversion platform, our tool translates footwear measurements across every major global standard in real time, helping men, women, and parents shop worldwide with confidence.

How to Use the AllShoeSizeConverter Tool

Traditional conversion charts require scrolling through dense, complicated tables. Our interactive converter streamlines this into a simple three-step workflow:

  1. Select Category: Choose between Men's, Women's, or Kids' footwear. Because sizing scales and proportions differ between demographics, selecting your category applies the exact mathematical starting point.
  2. Choose Your Known Size or Measurement: Select the sizing system from your favorite shoes—including United States (US), United Kingdom (UK), European Union (EU Paris Points), India, Japan (JP), Centimeters (CM), or Inches.
  3. Instant Synchronized Output: As soon as you enter your size or foot length, AllShoeSizeConverter instantly calculates and highlights the corresponding size across all international standards simultaneously.

Whether ordering limited-edition sneakers from international marketplaces or buying handmade European leather boots, you receive verified conversions instantly with zero guesswork.

The Engineering Behind Global Footwear Sizing Systems

Shoe sizing developed independently across different regions over the past two centuries, leading to distinct cobbling measurement systems:

  • United States (US Brannock Standard): Developed in 1927, the US system is based on the traditional English barleycorn unit, where one full size equals 1/3 of an inch (8.46 mm), and half sizes equal 1/6 inch (4.23 mm). Men's and women's scales begin at different baseline lengths, creating an offset between them.
  • United Kingdom (UK Standard): The UK system also uses the 1/3-inch increment but begins from a different base length. UK men's sizes are approximately 0.5 to 1 size smaller than US men's (US 10 = UK 9.5), while UK women's sizes are roughly 2 sizes smaller than US women's (US Women's 8 = UK 6).
  • European Union (EU Paris Points): Used across Continental Europe, this system relies on the Paris Point (2/3 of a centimeter, or 6.67 mm). Importantly, the EU scale is gender-neutral: an EU 41 represents the exact same footbed length whether made for men or women.
  • Japan, CM & Mondopoint: Asian manufacturers and alpine ski boot makers rely on metric simplicity. In Japan, shoe size equals bare foot length in centimeters (e.g., size 27 = 27 cm foot). The international Mondopoint (ISO 9407) standard for ski and snowboard boots also uses direct millimeter and centimeter measurements.
  • India Sizing: India largely follows UK sizing designations across heritage footwear brands like Bata and Woodland, making UK conversions directly applicable to Indian buyers.

Men to Women Shoe Size Conversion: The 1.5 Rule & Width Dynamics

With the popularity of unisex silhouettes like Nike Dunk Lows and adidas Sambas, the men to women shoe size conversion is one of our most requested features.

In American sizing, the standard conversion formula is a 1.5-size numerical difference:

  • Men's to Women's: Add 1.5 sizes (e.g., US Men's 8.5 + 1.5 = US Women's 10).
  • Women's to Men's: Subtract 1.5 sizes (e.g., US Women's 8.5 − 1.5 = US Men's 7).

However, width is equally vital. Standard Men's shoes are built on a "D" width last, while standard Women's shoes use a narrower "B" width last. A woman purchasing a men's sneaker may experience extra heel room, while a man purchasing a women's release will feel a snugger midfoot fit.

Kids & Toddler Sizing: Understanding "C" vs "Y"

Children's footwear undergoes rapid growth: toddlers can outgrow a shoe size every 2 to 3 months. American children's footwear uses a two-phase numbering system that frequently confuses parents:

  • Child ("C"): Runs from infant 0C up to little kid 13.5C.
  • Youth ("Y"): Instead of continuing to size 14, the numbering restarts at 1Y and runs through 7Y.
  • Adult Transition: A Youth 7Y equals an adult Men's 7 or Women's 8.5.

Additionally, toddler clothing labels (2T, 3T, 4T) denote garment height and weight, not shoe size. A toddler in 2T clothing typically wears shoe sizes between 5C and 7C.

Brand Tolerances: Why Sizes Vary Between Manufacturers

Even with standardized shoe tags, manufacturing lasts vary between brands:

  • Nike: Fits narrower through the midfoot; athletic models often require sizing up by half a size.
  • Adidas: Features a slightly wider forefoot profile in lifestyle silhouettes.
  • Converse (Chuck Taylor): Notoriously runs 0.5 to 1 full size large; buyers usually downsize.
  • Vans: Known for true-to-size consistency across classic skate models.
  • New Balance: Renowned for offering dedicated widths from narrow (B) to extra-wide (4E).

How to Measure Your Bare Foot at Home

To get the most accurate result from AllShoeSizeConverter, measure your bare feet using this simple procedure:

  1. Measure in the Evening: Feet naturally swell by up to 5% to 8% by late afternoon due to gravity and movement.
  2. Wall and Paper Setup: Tape blank paper on a hard floor against a flat wall. Stand with your heel gently touching the wall and weight distributed evenly.
  3. Mark the Longest Toe: Draw a line at the furthest tip of your longest toe using a pencil held straight upright.
  4. Measure and Size Up: Measure the distance in millimeters or inches. Always size to the larger foot, as over 60% of people have asymmetrical feet.

The 12 mm Rule of Thumb: Maintain approximately 10 to 12 mm (about half an inch) of clearance in front of your longest toe to allow for natural foot flexion and prevent toe crowding.

Use AllShoeSizeConverter as your go-to reference for stress-free online footwear shopping worldwide.

FAQ

Frequently Asked Questions

A shoe size converter is a tool that takes your shoe size in one country's system and tells you what it equals in another. For example, if you know your US size, the converter shows the matching UK, EU, India, Japan (CM), and inch sizes. It's useful when you're buying shoes from international brands or overseas websites.
Measure your foot from the back of your heel to the tip of your longest toe in centimeters. For US men's sizing, a 27 cm foot is about a US 9. For UK, subtract 0.5 from your US size (US 9 = UK 8.5). For EU, add 33 to your US size (US 9 = EU 42). Or just enter your CM measurement into our converter and it does the math for you.
It depends on your foot length. Stand on a piece of paper, trace your foot, and measure from heel to toe. If your foot is about 25.4 cm (10 inches), you're roughly a US men's 7.5. At 27 cm, you're a US 9. At 28.5 cm, you're about a US 10.5. The converter at the top of this page gives you exact results for any measurement.
India 7 is the same as UK 7, since Indian shoe sizing follows the UK system. In US men's sizing, IND 7 equals about US 7.5 to 8. In EU sizing, it's approximately EU 41. The foot length for this size is around 25.5 to 26 cm.
EU 42 is one of the most common men's sizes. It equals US men's 9, UK 8 to 8.5, and India 8. The foot length for EU 42 is about 26.5 to 27 cm. If you're shopping on European sites like Zalando or buying Adidas or Puma, EU 42 is what most brands label as a "medium" men's size.
EU 42 is closer to UK 8 or 8.5, not UK 9. UK 9 would be about EU 43. The confusion happens because the conversion isn't a round number. If you're between sizes, go with UK 8.5 for EU 42.
US men's 7 is approximately India 6 to 6.5 (since India uses UK sizing, and UK is about 0.5 to 1 less than US for men). US women's 7 is approximately India 5 (UK women's = US women's minus 2). The foot length for US 7 men's is about 25 cm.
Subtract about 1.5 from the US women's size to get the US men's size. So a women's 9 is roughly a men's 7.5. A women's 8 is a men's 6.5. This only applies to US sizing though. In EU and Japanese (CM) sizing, there's no gender difference — the number is the same for both.
US men's 10 is EU 43 and UK 9.5. US women's 10 is EU 40-41 and UK 8. The foot length for US men's 10 is about 28 cm (11 inches).
In the US, kids' sizes go from 0C (newborn) to 13C (child), then reset to 1Y (youth) through 7Y. After youth 7Y, adult sizing starts. This reset from 13C to 1Y confuses a lot of parents. EU kids' sizes are simpler — they go in a straight line from EU 17 to EU 39 without any restarts.
US men's 9 equals UK 8.5, EU 42, India 8, Japan 27 cm, and about 10.25 inches in foot length. It's one of the most common men's sizes worldwide.
Yes. Nike tends to run a bit small, so some people go half a size up. Converse runs large — about a full size bigger than other brands. Adidas is usually a little bigger than Nike. New Balance is generally true to size. When buying a new brand, check their specific size chart or measure your foot in CM and compare.
Go up. A slightly roomy shoe can be fixed with an insole or thicker socks. A tight shoe just causes pain, blisters, and nail problems. Also, feet swell during the day, so a shoe that feels fine in the morning might feel tight by evening.
Yes, for almost all brands. India's sizing system is based on the UK standard. A UK 8 is an India 8. Brands like Bata, Woodland, Red Tape, and Liberty all follow this. Some very small local manufacturers might differ slightly, but for any recognized brand, UK and India sizes are the same.
Place a sheet of paper on the floor against a wall. Stand on it with your heel touching the wall. Mark the tip of your longest toe with a pen. Measure from the edge of the paper to the mark in centimeters. Do both feet and use the bigger number. Measure in the evening since feet swell during the day.