Children dress size : size 3T dress length : 21 inch (53cm), Bust 20 inch(50cm) size 4T dress length : 22 inch (56cm), Bust 21 inch(54cm) size 5T dress length : 24 inch (60cm), Bust 23 inch(58cm) size 6T dress length : 25 inch (63cm), Bust 24 inch(60cm) size 7T dress length : 26 inch (66cm), Bust 25 inch(64cm) size 8T dress length : 27 inch (69 cm), Bust 26 inch(66cm) size 10T dress length : 29 inch (74cm), Bust 28 inch(70cm)