0 - 24
2 - 25
3 - 26
4 - 27
5 - 28
6 - 29
7 - 30

i think that would make more sense,
since im 00 and im size 23. but yeah i agree with v13co, it really depends what kind of jeans cus they all fit differently. that's what i hate about jeans! =( u wont know your size, unless u have personally tried them on ... sigh*