What Size Do you mean?
size 10
the average size of a human is 163 for woman and 176 for men
5inches
14
There is no specific bust size for a size 18 woman. The average bust size for a size 18 woman is 109 cm/43 in.
size 12 would be average but many women are larger than that.
6
7.5 - 8
36" waste 30" length
size 8, not too big, not too small.
size 4-5