Question: what is the average shoe size for an 18 month old girl?
Answer: Use standards to estimate a toddler's shoe size from age. The recommended size is 5 for a 12- to 18-month-old child, 6 for an 18- to 24-month-old child, 7 for a 2-year-old, 8 for a 2- to 2 1/2-year-old, 9 for a 3-year-old, 10 for a 3 1/2-year-old, 11 for a 4 1/2-year-old and 12 for a 5-year-old.