| Chico's Sizes | Conventional Size | Chest | Waist | Hip | |
| 000 | XXS | 0 | 32½" | 27" | 35½" |
| 00 | 2 | 33½" | 28" | 36½" | |
| 0 | XS | 4 | 34½" | 29" | 37½" |
| 0.5 | 6 | 35½" | 30" | 38½" | |
| 1 | S | 8 | 36½" | 31" | 39½" |
| 1.5 | 10 | 37½" | 32" | 40½" | |
| 2 | M | 12 | 39" | 33½" | 42" |
| 2.5 | 14 | 40½" | 35" | 43½" | |
| 3 | L | 16 | 42" | 37" | 45" |
| 3.5 | 18 | 44" | 39¼" | 47" | |
| 4 | XL | 20 | 46" | 41½" | 49" |
| 4.5 | 22 | 48" | 43¾" | 51" | |