As a general rule in Australia, the size of the garment relates to the age of the child. However other factors may need to be considered pending the weight and individual height.
|Newborn||0000||Up to 4kg||Up to 56cm|
|0-3 Months||000||4-6kg||Up to 62cm|
|3-6 Months||00||6-8kg||Up to 68cm|
|6-12 Months||0||8-10kg||Up to 76cm|
|1 Year||1||10-12kg||Up to 84cm|