Shoe Size Conversion. Use the shoe size converter charts below to convert your shoe size across any of the various shoe sizing systems used worldwide. Our shoe size conversion charts will help you convert across most sizes worldwide. Table of Contents. Does Shoe Size Go by Inches? What Should Size be a 7, 5, and 9-inch Foot? Women's Inch to shoe size chart by Length. Women's Inch to shoe size chart by Width. Men's Inch to shoe size chart by Length. Men's Inch to shoe size chart by Width. Children's Inch to shoe size chart by Length. Does Shoe Size Go by Inches? How to measure your feet. Remember to measure both feet, making a note of the longest. Place your foot on a flat surface with your heel against a straight edge. Place a ruler beside your foot touching the straight edge your heel is also touching, then take the length in millimetres from the tip of your longest toe to your heel. Unlock your perfect fit with our Foot Length to Shoe Size Conversion guide. Uncover the ideal size effortlessly. Shoe size in Korea is foot length in millimeters. Here's how to find your Korean shoe size: From US male size - add 22, divide by 3, and multiply by 25.4; From US female size - add 21, divide by 3, and multiply by 25.4; From inches - multiply your foot length by 25.4; From centimeters - multiply your foot length by 10; or; Use our shoe 1. Foot Length. Measure your foot length by placing a ruler flat on the floor straight alongside the inside of your foot from your heal to your toes. Place an object with a flat edge straight across your toes with the edge touching the tip of your longest toe. How to convert the value of the foot length to the shoe size? Standard conversions are commonly accepted measurements that correspond to the lengths of the foot and the shoe size assigned to it. From the table, you will find out the overall size of your shoe based on the length of your foot. The foot length in cm is converted into the shoe size of the respective size system (i.e., the EU-, UK-, US- or Mondopoint system ) according to ISO formulas. The following shoe size tables for foot length in cm are also based on this ISO specification. 8kiV3k.