Brand vs brand

Carter's vs Cat & Jack sizes

Of Carter's 12 baby and toddler sizes, 4 line up closely with a Cat & Jack size, 6 are partial matches, and 2 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Carter's Newborn = Cat & Jack Newborn, Carter's 3M = Cat & Jack 0-3M, Carter's 6M = Cat & Jack 3-6M, Carter's 4T = Cat & Jack 4T.

Watch the labels: Carter's 24M is closer to Cat & Jack 3T than to Cat & Jack's own 24M; Carter's 2T is closer to Cat & Jack 3T than to Cat & Jack's own 2T; Carter's 4T is closer to Cat & Jack 4T than to Cat & Jack's own 4T.

Carter's True to sizeCat & Jack True to size

Based on published size charts compared with other brands.

Size by size, on one scale

Each block is one size, placed where the brand's chart puts it. Blocks that sit above each other fit the same baby.

Weight (lb)

Carter's

Up to 5 lb: up to 5 lb
Preemie: up to 6 lb
Newborn: 6 to 9 lb
3M: 9 to 12.5 lb
6M: 12.5 to 17 lb
9M: 17 to 21 lb
12M: 21 to 25 lb
18M: 25 to 28 lb
24M: 28 to 30 lb
2T: 29 to 31 lb
3T: 31 to 33 lb
4T: 33 to 37.5 lb

Cat & Jack

Preemie: up to 5.5 lb
Newborn: 6 to 8 lb
0-3M: 9 to 12 lb
3-6M: 12.5 to 16 lb
6-9M: 16.5 to 19.5 lb
12M: 20 to 23 lb
18M: 23.5 to 26 lb
24M: 26.5 to 28 lb
2T: 26.5 to 28 lb
3T: 28.5 to 32 lb
4T: 32.5 to 37 lb

Height (in)

Carter's

Up to 5 lb: up to 17 in
Preemie: up to 18 in
Newborn: 18 to 21.5 in
3M: 21.5 to 24 in
6M: 24 to 27 in
9M: 27 to 28.5 in
12M: 28.5 to 30 in
18M: 30 to 32 in
24M: 32 to 34 in
2T: 35 to 36.5 in
3T: 36.5 to 39 in
4T: 39 to 41.5 in

Cat & Jack

Preemie: up to 17.5 in
Newborn: 18 to 20 in
0-3M: 20.5 to 23.5 in
3-6M: 24 to 25.5 in
6-9M: 26 to 27.5 in
12M: 28 to 30.5 in
18M: 31 to 32.5 in
24M: 33 to 35.5 in
2T: 33 to 35.5 in
3T: 36 to 38.5 in
4T: 39 to 43 in

Carter's size to Cat & Jack size

Carter's	Closest Cat & Jack	Match	Weight: Carter's / Cat & Jack	Height: Carter's / Cat & Jack
Up to 5 lb	Preemie	Partial	up to 5 lb / up to 5.5 lb	up to 17 in / up to 17.5 in
Preemie	Preemie	No clean match	up to 6 lb / up to 5.5 lb	up to 18 in / up to 17.5 in
Newborn	Newborn	Close match	6 to 9 lb / 6 to 8 lb	18 to 21.5 in / 18 to 20 in
3M	0-3M	Close match	9 to 12.5 lb / 9 to 12 lb	21.5 to 24 in / 20.5 to 23.5 in
6M	3-6M	Close match	12.5 to 17 lb / 12.5 to 16 lb	24 to 27 in / 24 to 25.5 in
9M	6-9M	Partial	17 to 21 lb / 16.5 to 19.5 lb	27 to 28.5 in / 26 to 27.5 in
12M	12M	Partial	21 to 25 lb / 20 to 23 lb	28.5 to 30 in / 28 to 30.5 in
18M	18M	Partial	25 to 28 lb / 23.5 to 26 lb	30 to 32 in / 31 to 32.5 in
24M	3T	No clean match	28 to 30 lb / 28.5 to 32 lb	32 to 34 in / 36 to 38.5 in
2T	3T	Partial	29 to 31 lb / 28.5 to 32 lb	35 to 36.5 in / 36 to 38.5 in
3T	3T	Partial	31 to 33 lb / 28.5 to 32 lb	36.5 to 39 in / 36 to 38.5 in
4T	4T	Close match	33 to 37.5 lb / 32.5 to 37 lb	39 to 41.5 in / 39 to 43 in

Cat & Jack size to Carter's size

Cat & Jack	Closest Carter's	Match	Weight: Cat & Jack / Carter's	Height: Cat & Jack / Carter's
Preemie	Up to 5 lb	Partial	up to 5.5 lb / up to 5 lb	up to 17.5 in / up to 17 in
Newborn	Newborn	Close match	6 to 8 lb / 6 to 9 lb	18 to 20 in / 18 to 21.5 in
0-3M	3M	Close match	9 to 12 lb / 9 to 12.5 lb	20.5 to 23.5 in / 21.5 to 24 in
3-6M	6M	Close match	12.5 to 16 lb / 12.5 to 17 lb	24 to 25.5 in / 24 to 27 in
6-9M	9M	Partial	16.5 to 19.5 lb / 17 to 21 lb	26 to 27.5 in / 27 to 28.5 in
12M	12M	Partial	20 to 23 lb / 21 to 25 lb	28 to 30.5 in / 28.5 to 30 in
18M	18M	Partial	23.5 to 26 lb / 25 to 28 lb	31 to 32.5 in / 30 to 32 in
24M	18M	Partial	26.5 to 28 lb / 25 to 28 lb	33 to 35.5 in / 30 to 32 in
2T	18M	Partial	26.5 to 28 lb / 25 to 28 lb	33 to 35.5 in / 30 to 32 in
3T	3T	Partial	28.5 to 32 lb / 31 to 33 lb	36 to 38.5 in / 36.5 to 39 in
4T	4T	Close match	32.5 to 37 lb / 33 to 37.5 lb	39 to 43 in / 39 to 41.5 in

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Every Carter's size in Cat & Jack

Close match

Carter's Newborn lines up closely with Cat & Jack Newborn.

Weight (lb)

Carter's Newborn 6 to 9 lb

Cat & Jack Newborn 6 to 8 lb

Cat & Jack 0-3M 9 to 12 lb

Height (in)

Carter's Newborn 18 to 21.5 in

Cat & Jack Newborn 18 to 20 in

Cat & Jack 0-3M 20.5 to 23.5 in

The shaded column is the Carter's range. Bars show what each brand publishes for the size.

Based on published size charts. Carter's chart and Cat & Jack chart.

More comparisons

Charts retrieved October 4, 2026 (Carter's) and October 4, 2026 (Cat & Jack). Sources are listed on each brand page. This site is not affiliated with either brand.