Size Waist Hip Inseam AU/UK/NZ US
XS 61-65 81-85 59 6 2
S 66-69 86-90 60 8 4
M 70-74 91-95 61 10 6
L 75-79 96-100 62 12 8
XL 80-84 101-105 63 14 10

All measurements are in cm.
Nicola is 168cm, AU 6; wears size XS.