What is the average shoe size for an 11-year-old girl?
It varies for everyone.
The average size of a male adult foot is 11 to 13. It depends on whether you mean the size of the food in inches or the shoe size. If you mean shoe size, in the UK and Europe the average male shoe size is 8 or 9. The equivalent European shoe size is expressed as 42 and 43 and the equivalent American shoe size is expressed as 8.5 and 9.5.