FINAL SALE AND SOLD AS IS 
This clothing is measured flat.  The bust is measured from underarm seam to the underarm seam across the front ( double to get the circumference).  The length is measured from the shoulder seam straight down to the hem in both the front and back.  
3: Bust is 20" (40" around), Length is 43"
4: Bust is 21" (42" around), Length is 43"
5: Bust is 22" (44" around), Length is 43.5"
6: Bust is 23" (46" around), Length is 44"
8: Bust is 26" (52" around), Length is 45"