Shoe Size Calculator & Converter

Find your correct shoe size in US, UK, EU, and Japanese systems. Measure your foot length and enter it below for an accurate size conversion.

1. Select Your Category

2. Enter Your Foot Length

Your Estimated Shoe Size

Enter your details above to see your size conversions.


How to Accurately Measure Your Foot for the Perfect Fit

Buying shoes online can be tricky, but getting an accurate measurement at home is easy. An incorrect shoe size can lead to discomfort and foot problems. Follow these simple steps to measure your foot length correctly:

  1. Gather Your Supplies: You'll need a piece of paper larger than your foot, a pen or pencil, and a ruler or measuring tape.
  2. Trace Your Foot: Place the paper on a hard, flat surface. Stand with one foot on the paper, keeping your weight evenly distributed. Trace the outline of your foot as closely as possible. It's easiest if you have someone help you.
  3. Measure the Length: Use your ruler to measure the distance from the very back of your heel to the tip of your longest toe.
  4. Repeat for the Other Foot: Most people have one foot that is slightly larger than the other. Measure both feet and use the measurement of the larger foot for the calculator.
  5. Measure in the Evening: For the most accurate result, measure your feet at the end of the day when they are at their largest.

Understanding International Shoe Sizing

Shoe sizes are not standardized globally, which can be confusing. Here’s a quick overview of the major systems:


Quick Conversion Chart (Adult Sizes)

While our calculator provides the most accurate conversion, here is a general reference chart. Now that you have found the right shoes, consider complementing them with a healthy lifestyle. Check out our Fitness & Health calculators to get started.

US MenUS WomenUKEUCM (JP)
78.56.54025
89.57.54126
910.58.54227
1011.59.54328
1112.510.54429