Spanx Size Chart
  S M L XL 1X 2X 3X
  dress size 2-4 dress size 6-8 dress size 10-12 dress size 14-16 dress size 18-20 dress size 22-24 dress size 26-28
Bust 33 ½ - 35 ½" 36-38" 38½-40½" 41-43" 44-47½" 48-51½" 52-54
Waist 27-30½" 31-33" 33½-35½" 36-39" 39½-42" 42½-45" 45½-48
Hips 35-37½" 38-40½" 41-43" 43½-45½" 46-49½" 50-53½" 54-56

*All measurements in inches and designed as a guideline.