CG.com. Size

Newborn

3 months
0-3 months

6 months
3-6 months

9 months
6-9 months

12 months
9-12 months

18-24 months
Weight Up to 8 lb
(3.5 kg)

8 to 12 lb
(3.5 to 5.5 kg)

 12 to 18 lbs
(5.5 to 8 kg)
 18 to 24 lbs
(8 to 11 kg)
 24 to 28 lbs
(11 to 13 kg)
 28 to 32 lbs
(13 to 15 kg)
Height
 up to 21 in
(53 cm)
 up to 23 in
(58 cm)
 up to 25 in
(64 cm)
 up to 28 in
(71 cm)
 up to 32 in
(81 cm)
 up to 35 in
(89 cm)
Chest up to 17 in
(43 cm)
 up to 18 in
(46 cm)
 up to 19 in
(48 cm)
 up to 20 in
(51 cm)
 up to 21 in
(53 cm)
 up to 22 in
(56 cm)
Bonnet / Hat Sizing Small Medium Large      
Head 14 to 16 in
(35 - 41 cm)
 16 to 18 in
(41 - 46 cm)
 18 to 20 in
(46 - 51 cm)
      
Booties Sizing 0-3 mo 3-6 mo 6-9 mo 9-12 mo    
Heel to toe 3.5 in
(8.89 cm)
 3.75 in
(9.525 cm)
 4 in
(10.16 cm)
 4.125 in
(10.4 cm)