Your quick dress size overview table.

INTERNATIONAL SA OTHER SA UK USA
XXS 28 4 4 0
XS 30 6 6 2
S 32 8 8 4
S – M 32 – 34 8 – 10 8 – 10 4 – 6
M 34 10 10 6
L 36 12 12 8
L – XL 36 – 38 12 – 14 12 – 14 8 – 10
XL 38 14 14 10
XXL 40 16 16 12