The table given below enables you to find out the length of your foot in inches, centimeters or millimeters by tallying with the corresponding International sizes. For e.g. English size 5 is equal to French size 38 & CIS size 250 which would mean the foot measures 10 inches or 25.38 centimeters.
English System
English sizes are measured in inches. For e.g. size 5 would mean the foot measures 10 inches. Between two English sizes the difference in foot length is 1/3rd of an inch.
French System
French size are measured in centimeters. For e.g. size 5 would mean the foot measures 25.38 cms. Between two French sizes the difference in foot length is 2/3rd of a centimeter.
Cis/Mondopoint System
Mondopoint sizes are measured in millimeters. For e.g. size 5 would mean the foot measures 250 mm. Between two Mondopoint sizes the difference in foot length is 10 millimeters.
American System
Add 1½ size to English sizes to arrive at the American size. For e.g. English size 5 equals American size 6½.