Size Waist Hip Inseam AU/UK/NZ US
S 60-67 82-89 60 4-6 2-4
M 68-75 90-97 61 8-10 6-8
L 76-83 98-105 62 12-14 10-12

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