Brand vs brand

Carter's vs babyGap sizes

Of Carter's 12 baby and toddler sizes, 2 line up closely with a babyGap size, 8 are partial matches, and 2 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Carter's 6M = babyGap 3-6M, Carter's 9M = babyGap 6-12M.

Watch the labels: Carter's 2T is closer to babyGap 18-24M than to babyGap's own 2T; Carter's 3T is closer to babyGap 2Y than to babyGap's own 3T; Carter's 4T is closer to babyGap 4Y than to babyGap's own 4T.

Carter's True to sizebabyGap 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

babyGap

Up to 7 lb: up to 6.6 lb
0-3M: 6.6 to 11 lb
3-6M: 11 to 17.6 lb
6-12M: 17.6 to 22 lb
12-18M: 22 to 26.5 lb
18-24M: 26.5 to 30.9 lb
2Y: 30.9 to 33.1 lb
3Y: 33.1 to 35.3 lb
4Y: 35.3 to 39.7 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

babyGap

Up to 7 lb: up to 18.1 in
0-3M: 18.1 to 22.8 in
3-6M: 22.8 to 27.2 in
6-12M: 27.2 to 29.1 in
12-18M: 29.1 to 31.1 in
18-24M: 31.1 to 33.1 in
2Y: 33.1 to 35.8 in
3Y: 35.8 to 39 in
4Y: 39 to 42.1 in

Carter's size to babyGap size

Carter's	Closest babyGap	Match	Weight: Carter's / babyGap	Height: Carter's / babyGap
Up to 5 lb	Up to 7 lb	No clean match	up to 5 lb / up to 6.6 lb	up to 17 in / up to 18.1 in
Preemie	Up to 7 lb	Partial	up to 6 lb / up to 6.6 lb	up to 18 in / up to 18.1 in
Newborn	0-3M	Partial	6 to 9 lb / 6.6 to 11 lb	18 to 21.5 in / 18.1 to 22.8 in
3M	0-3M	Partial	9 to 12.5 lb / 6.6 to 11 lb	21.5 to 24 in / 18.1 to 22.8 in
6M	3-6M	Close match	12.5 to 17 lb / 11 to 17.6 lb	24 to 27 in / 22.8 to 27.2 in
9M	6-12M	Close match	17 to 21 lb / 17.6 to 22 lb	27 to 28.5 in / 27.2 to 29.1 in
12M	12-18M	Partial	21 to 25 lb / 22 to 26.5 lb	28.5 to 30 in / 29.1 to 31.1 in
18M	12-18M	Partial	25 to 28 lb / 22 to 26.5 lb	30 to 32 in / 29.1 to 31.1 in
24M	18-24M	Partial	28 to 30 lb / 26.5 to 30.9 lb	32 to 34 in / 31.1 to 33.1 in
2T	18-24M	No clean match	29 to 31 lb / 26.5 to 30.9 lb	35 to 36.5 in / 31.1 to 33.1 in
3T	2Y	Partial	31 to 33 lb / 30.9 to 33.1 lb	36.5 to 39 in / 33.1 to 35.8 in
4T	4Y	Partial	33 to 37.5 lb / 35.3 to 39.7 lb	39 to 41.5 in / 39 to 42.1 in

babyGap size to Carter's size

babyGap	Closest Carter's	Match	Weight: babyGap / Carter's	Height: babyGap / Carter's
Up to 7 lb	Preemie	Partial	up to 6.6 lb / up to 6 lb	up to 18.1 in / up to 18 in
0-3M	Newborn	Partial	6.6 to 11 lb / 6 to 9 lb	18.1 to 22.8 in / 18 to 21.5 in
3-6M	6M	Close match	11 to 17.6 lb / 12.5 to 17 lb	22.8 to 27.2 in / 24 to 27 in
6-12M	9M	Close match	17.6 to 22 lb / 17 to 21 lb	27.2 to 29.1 in / 27 to 28.5 in
12-18M	12M	Partial	22 to 26.5 lb / 21 to 25 lb	29.1 to 31.1 in / 28.5 to 30 in
18-24M	24M	Partial	26.5 to 30.9 lb / 28 to 30 lb	31.1 to 33.1 in / 32 to 34 in
2Y	3T	Partial	30.9 to 33.1 lb / 31 to 33 lb	33.1 to 35.8 in / 36.5 to 39 in
3Y	3T	Partial	33.1 to 35.3 lb / 31 to 33 lb	35.8 to 39 in / 36.5 to 39 in
4Y	4T	Partial	35.3 to 39.7 lb / 33 to 37.5 lb	39 to 42.1 in / 39 to 41.5 in

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Size

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Every Carter's size in babyGap

Close match

Carter's 6M lines up closely with babyGap 3-6M.

Weight (lb)

Carter's 6M 12.5 to 17 lb

babyGap 3-6M 11 to 17.6 lb

Height (in)

Carter's 6M 24 to 27 in

babyGap 3-6M 22.8 to 27.2 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 babyGap chart.

More comparisons

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