what is the size of a newborn baby's head
1 - 1.5 lbs (Babies born between 23-25 weekers fit within these weights) Baby's Head Circumference is 7 - 8 18 - 20 cm (so hat circ. should be about 6 - 6.5 15.5 - 16.5 cm) Height of hat should be 3 - 3..25 8 cm. 2 lbs 1kg (Babies born between 26-27 weeks fit within these weights)