Brand vs brand

Gerber Childrenswear vs Little Sleepies sizes

Of Gerber Childrenswear's 11 baby and toddler sizes, 6 line up closely with a Little Sleepies size, 5 are partial matches, and 0 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Gerber Childrenswear Preemie = Little Sleepies Preemie, Gerber Childrenswear Newborn = Little Sleepies Newborn, Gerber Childrenswear 0-3M = Little Sleepies 0-3M, Gerber Childrenswear 0-6M = Little Sleepies 3-6M.

Watch the labels: Gerber Childrenswear 0-3M is closer to Little Sleepies 0-3M than to Little Sleepies' own 0-3M; Gerber Childrenswear 3-6M is closer to Little Sleepies 3-6M than to Little Sleepies' own 3-6M.

Gerber Childrenswear True to sizeLittle Sleepies 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)

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

Little Sleepies

Preemie: up to 5 lb
Newborn: 5 to 8 lb
0-3M: 8 to 12 lb
3-6M: 12 to 17 lb
6-12M: 17 to 23 lb
12-18M: 23 to 26 lb
18-24M: 26 to 30 lb
2T: 29 to 31 lb
3T: 31 to 35 lb
4T: 35 to 39 lb

Height (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

Little Sleepies

Preemie: up to 18 in
Newborn: 18 to 21 in
0-3M: 21 to 23 in
3-6M: 23 to 27 in
6-12M: 27 to 31 in
12-18M: 31 to 33 in
18-24M: 33 to 34.5 in
2T: 33 to 36 in
3T: 36 to 39 in
4T: 39 to 42 in

Gerber Childrenswear size to Little Sleepies size

Gerber Childrenswear	Closest Little Sleepies	Match	Weight: Gerber Childrenswear / Little Sleepies	Height: Gerber Childrenswear / Little Sleepies
Preemie	Preemie	Close match	up to 5.1 lb / up to 5 lb	up to 17 in / up to 18 in
Newborn	Newborn	Close match	5.1 to 7.9 lb / 5 to 8 lb	17 to 21 in / 18 to 21 in
0-3M	0-3M	Close match	7.9 to 11.9 lb / 8 to 12 lb	21 to 24 in / 21 to 23 in
0-6M	3-6M	Close match	up to 16.1 lb / 12 to 17 lb	17 to 26 in / 23 to 27 in
3-6M	3-6M	Close match	11.9 to 16.1 lb / 12 to 17 lb	24 to 26 in / 23 to 27 in
6-9M	6-12M	Partial	16.1 to 20.1 lb / 17 to 23 lb	26 to 28 in / 27 to 31 in
12M	6-12M	Partial	20.1 to 24 lb / 17 to 23 lb	28 to 30 in / 27 to 31 in
18M	12-18M	Partial	24 to 28 lb / 23 to 26 lb	30 to 32 in / 31 to 33 in
24M/2T	2T	Partial	28 to 32 lb / 29 to 31 lb	32 to 34 in / 33 to 36 in
3T	3T	Partial	32 to 35.1 lb / 31 to 35 lb	34 to 38 in / 36 to 39 in
4T	4T	Close match	35.1 to 39 lb / 35 to 39 lb	38 to 40 in / 39 to 42 in

Little Sleepies size to Gerber Childrenswear size

Little Sleepies	Closest Gerber Childrenswear	Match	Weight: Little Sleepies / Gerber Childrenswear	Height: Little Sleepies / Gerber Childrenswear
Preemie	Preemie	Close match	up to 5 lb / up to 5.1 lb	up to 18 in / up to 17 in
Newborn	Newborn	Close match	5 to 8 lb / 5.1 to 7.9 lb	18 to 21 in / 17 to 21 in
0-3M	0-3M	Close match	8 to 12 lb / 7.9 to 11.9 lb	21 to 23 in / 21 to 24 in
3-6M	0-6M	Close match	12 to 17 lb / up to 16.1 lb	23 to 27 in / 17 to 26 in
6-12M	12M	Partial	17 to 23 lb / 20.1 to 24 lb	27 to 31 in / 28 to 30 in
12-18M	18M	Partial	23 to 26 lb / 24 to 28 lb	31 to 33 in / 30 to 32 in
18-24M	24M/2T	Partial	26 to 30 lb / 28 to 32 lb	33 to 34.5 in / 32 to 34 in
2T	24M/2T	Partial	29 to 31 lb / 28 to 32 lb	33 to 36 in / 32 to 34 in
3T	3T	Partial	31 to 35 lb / 32 to 35.1 lb	36 to 39 in / 34 to 38 in
4T	4T	Close match	35 to 39 lb / 35.1 to 39 lb	39 to 42 in / 38 to 40 in

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Size

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Every Gerber Childrenswear size in Little Sleepies

Close match

Gerber Childrenswear Preemie lines up closely with Little Sleepies Preemie.

Weight (lb)

Gerber Childrenswear Preemie up to 5.1 lb

Little Sleepies Preemie up to 5 lb

Little Sleepies Newborn 5 to 8 lb

Height (in)

Gerber Childrenswear Preemie up to 17 in

Little Sleepies Preemie up to 18 in

Little Sleepies Newborn 18 to 21 in

The shaded column is the Gerber Childrenswear range. Bars show what each brand publishes for the size.

Based on published size charts. Gerber Childrenswear chart and Little Sleepies chart.

More comparisons

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