Bust in
Inches

Cup
Size

Waist in
Inches

Hips in
Inches

Dress Size
UK

Dress Size
USA

X Small

30 - 32

A

21 - 23

32 - 34

 6

 4

Small

32 - 34

A - B

23 - 25

34 - 36

 8

 6

Medium

34 - 36

B - C

26 - 28

36 - 38

10 / 12

 8 / 10

Large

36 - 38

C

28 - 31

38 - 40

14

12

X Large

38 - 40

C - D

31 - 34

40 - 42

16 / 18

14 / 16

One Size

32 - 38

A - C

23 - 31

34 - 40

 8 / 14

 6 /12

S/M

32 - 36

A - B

23 - 28

34 - 38

 8 / 12

 6 / 10

M/L

34 - 38

B - C

26 - 31

36 - 40

10 / 14

 8 / 12