| US Size | UK Size | Bust | Waist | Hips |
| 2 | 6 | 30"-31" | 24"-25" | 33"-34" |
| 4 | 8 | 32"-33" | 26"-27" | 35"-36" |
| 6 | 10 | 33"-35" | 27"-28" | 33"-35" |
| 8 | 12 | 35"-37" | 28"-29" | 37"-39" |
| 10 | 14 | 38"-39" | 30"-31" | 40"-41" |
| 12 | 16 | 40"-42" | 32"-33" | 40"-42" |
| 14 | 18 | 43"-45" | 34"-36" | 43"-45" |
| 16 | 20 | 45"-47" | 38"-40" | 47"-49" |
| 18 | 22 | 47"-49" | 41"-43" | 50"-52" |
| US Size | UK Size | Waist | Hips | |
| 24R | 2 | 6 | 24"-25" | 33"-34" |
| 26R | 4 | 8 | 26"-27" | 35"-36" |
| 28R | 6 | 10 | 27"-28" | 36"-37" |
| 30R | 8 | 12 | 28"-29" | 37"-38" |
| 32R | 10 | 14 | 30"-31" | 40"-41" |
| 34R | 12 | 16 | 32"-33" | 42"-43" |
| 36R | 14 | 18 | 34"-36" | 44"-46" |
| 38R | 16 | 20 | 38"-40" | 47"-49" |
| 40R | 18 | 22 | 41"-43" | 50"-52" |