Brand vs brand

Cat & Jack vs Gerber Childrenswear sizes

Of Cat & Jack's 11 baby and toddler sizes, 4 line up closely with a Gerber Childrenswear size, 5 are partial matches, and 2 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Cat & Jack 0-3M = Gerber Childrenswear 0-3M, Cat & Jack 3-6M = Gerber Childrenswear 3-6M, Cat & Jack 6-9M = Gerber Childrenswear 6-9M, Cat & Jack 12M = Gerber Childrenswear 12M.

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

Cat & Jack True to sizeGerber Childrenswear 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)

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

Gerber Childrenswear

Preemie: up to 5.1 lb
Newborn: 5.1 to 7.9 lb
0-3M: 7.9 to 11.9 lb
0-6M: up to 16.1 lb
3-6M: 11.9 to 16.1 lb
6-9M: 16.1 to 20.1 lb
12M: 20.1 to 24 lb
18M: 24 to 28 lb
24M/2T: 28 to 32 lb
3T: 32 to 35.1 lb
4T: 35.1 to 39 lb

Height (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

Gerber Childrenswear

Preemie: up to 17 in
Newborn: 17 to 21 in
0-3M: 21 to 24 in
0-6M: 17 to 26 in
3-6M: 24 to 26 in
6-9M: 26 to 28 in
12M: 28 to 30 in
18M: 30 to 32 in
24M/2T: 32 to 34 in
3T: 34 to 38 in
4T: 38 to 40 in

Cat & Jack size to Gerber Childrenswear size

Cat & Jack	Closest Gerber Childrenswear	Match	Weight: Cat & Jack / Gerber Childrenswear	Height: Cat & Jack / Gerber Childrenswear
Preemie	Preemie	Partial	up to 5.5 lb / up to 5.1 lb	up to 17.5 in / up to 17 in
Newborn	Newborn	Partial	6 to 8 lb / 5.1 to 7.9 lb	18 to 20 in / 17 to 21 in
0-3M	0-3M	Close match	9 to 12 lb / 7.9 to 11.9 lb	20.5 to 23.5 in / 21 to 24 in
3-6M	3-6M	Close match	12.5 to 16 lb / 11.9 to 16.1 lb	24 to 25.5 in / 24 to 26 in
6-9M	6-9M	Close match	16.5 to 19.5 lb / 16.1 to 20.1 lb	26 to 27.5 in / 26 to 28 in
12M	12M	Close match	20 to 23 lb / 20.1 to 24 lb	28 to 30.5 in / 28 to 30 in
18M	18M	Partial	23.5 to 26 lb / 24 to 28 lb	31 to 32.5 in / 30 to 32 in
24M	18M	No clean match	26.5 to 28 lb / 24 to 28 lb	33 to 35.5 in / 30 to 32 in
2T	18M	No clean match	26.5 to 28 lb / 24 to 28 lb	33 to 35.5 in / 30 to 32 in
3T	24M/2T	Partial	28.5 to 32 lb / 28 to 32 lb	36 to 38.5 in / 32 to 34 in
4T	3T	Partial	32.5 to 37 lb / 32 to 35.1 lb	39 to 43 in / 34 to 38 in

Gerber Childrenswear size to Cat & Jack size

Gerber Childrenswear	Closest Cat & Jack	Match	Weight: Gerber Childrenswear / Cat & Jack	Height: Gerber Childrenswear / Cat & Jack
Preemie	Preemie	Partial	up to 5.1 lb / up to 5.5 lb	up to 17 in / up to 17.5 in
Newborn	Newborn	Partial	5.1 to 7.9 lb / 6 to 8 lb	17 to 21 in / 18 to 20 in
0-3M	0-3M	Close match	7.9 to 11.9 lb / 9 to 12 lb	21 to 24 in / 20.5 to 23.5 in
0-6M	3-6M	Partial	up to 16.1 lb / 12.5 to 16 lb	17 to 26 in / 24 to 25.5 in
3-6M	3-6M	Close match	11.9 to 16.1 lb / 12.5 to 16 lb	24 to 26 in / 24 to 25.5 in
6-9M	6-9M	Close match	16.1 to 20.1 lb / 16.5 to 19.5 lb	26 to 28 in / 26 to 27.5 in
12M	12M	Close match	20.1 to 24 lb / 20 to 23 lb	28 to 30 in / 28 to 30.5 in
18M	18M	Partial	24 to 28 lb / 23.5 to 26 lb	30 to 32 in / 31 to 32.5 in
24M/2T	3T	Partial	28 to 32 lb / 28.5 to 32 lb	32 to 34 in / 36 to 38.5 in
3T	4T	Partial	32 to 35.1 lb / 32.5 to 37 lb	34 to 38 in / 39 to 43 in
4T	4T	No clean match	35.1 to 39 lb / 32.5 to 37 lb	38 to 40 in / 39 to 43 in

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Size

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Every Cat & Jack size in Gerber Childrenswear

Close match

Cat & Jack 0-3M lines up closely with Gerber Childrenswear 0-3M.

Weight (lb)

Cat & Jack 0-3M 9 to 12 lb

Gerber Childrenswear Newborn 5.1 to 7.9 lb

Gerber Childrenswear 0-3M 7.9 to 11.9 lb

Gerber Childrenswear 0-6M up to 16.1 lb

Height (in)

Cat & Jack 0-3M 20.5 to 23.5 in

Gerber Childrenswear Newborn 17 to 21 in

Gerber Childrenswear 0-3M 21 to 24 in

Gerber Childrenswear 0-6M 17 to 26 in

The shaded column is the Cat & Jack range. Bars show what each brand publishes for the size.

Based on published size charts. Cat & Jack chart and Gerber Childrenswear chart.

More comparisons

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