It is size 54.
38
The secret is to add 21 when going from a womans size to a mans size and subtract 21 when going the other way, so a 38 mens size will be a Womans size 16/17
He wears a 10.
The average pant size for a seventeen year old girl is size 10. Nationwide women's average pant size is size 14.
You can convert pant sizes in Chinese by using the pant size converter and calculator.
27inch
40
No they are not dont worry
size sven is what in inches
7
No, they are unrelated.