Brand vs brand

OshKosh B'gosh vs Nike sizes

Of OshKosh B'gosh's 9 baby and toddler sizes, 2 line up closely with a Nike size, 7 are partial matches, and 0 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: OshKosh B'gosh 3T = Nike 3T, OshKosh B'gosh 4T = Nike 4T.

Watch the labels: OshKosh B'gosh 2T is closer to Nike 24M than to Nike's own 2T.

OshKosh B'gosh True to sizeNike Runs large

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)

OshKosh B'gosh

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

Nike

Newborn/0-3M: 6 to 9.5 lb
3M: 9.9 to 14.6 lb
6M: 15 to 17.9 lb
9M: 18.3 to 22 lb
12M: 22.5 to 24.9 lb
18M: 25.6 to 28 lb
24M: 28.4 to 30 lb
2T: 28.4 to 30 lb
3T: 30.4 to 33.1 lb
4T: 34 to 37.9 lb

Height (in)

OshKosh B'gosh

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

Nike

Newborn/0-3M: 19.7 to 22 in
3M: 22 to 24.4 in
6M: 24.4 to 26.8 in
9M: 26.8 to 29.1 in
12M: 29.1 to 31.5 in
18M: 31.5 to 33.9 in
24M: 33.9 to 36.2 in
2T: 33.9 to 36.2 in
3T: 36.2 to 38.6 in
4T: 38.6 to 40.9 in

OshKosh B'gosh size to Nike size

OshKosh B'gosh	Closest Nike	Match	Weight: OshKosh B'gosh / Nike	Height: OshKosh B'gosh / Nike
3M	3M	Partial	9 to 12.5 lb / 9.9 to 14.6 lb	21.5 to 24 in / 22 to 24.4 in
6M	6M	Partial	12.5 to 17 lb / 15 to 17.9 lb	24 to 27 in / 24.4 to 26.8 in
9M	9M	Partial	17 to 21 lb / 18.3 to 22 lb	27 to 28.5 in / 26.8 to 29.1 in
12M	12M	Partial	21 to 25 lb / 22.5 to 24.9 lb	28.5 to 30 in / 29.1 to 31.5 in
18M	18M	Partial	25 to 28 lb / 25.6 to 28 lb	30 to 32 in / 31.5 to 33.9 in
24M	24M	Partial	28 to 30 lb / 28.4 to 30 lb	32 to 34 in / 33.9 to 36.2 in
2T	24M	Partial	29 to 31 lb / 28.4 to 30 lb	35 to 36.5 in / 33.9 to 36.2 in
3T	3T	Close match	31 to 33 lb / 30.4 to 33.1 lb	36.5 to 39 in / 36.2 to 38.6 in
4T	4T	Close match	33 to 37.5 lb / 34 to 37.9 lb	39 to 41.5 in / 38.6 to 40.9 in

Nike size to OshKosh B'gosh size

Nike	Closest OshKosh B'gosh	Match	Weight: Nike / OshKosh B'gosh	Height: Nike / OshKosh B'gosh
Newborn/0-3M	3M	No clean match	6 to 9.5 lb / 9 to 12.5 lb	19.7 to 22 in / 21.5 to 24 in
3M	3M	Partial	9.9 to 14.6 lb / 9 to 12.5 lb	22 to 24.4 in / 21.5 to 24 in
6M	6M	Partial	15 to 17.9 lb / 12.5 to 17 lb	24.4 to 26.8 in / 24 to 27 in
9M	9M	Partial	18.3 to 22 lb / 17 to 21 lb	26.8 to 29.1 in / 27 to 28.5 in
12M	12M	Partial	22.5 to 24.9 lb / 21 to 25 lb	29.1 to 31.5 in / 28.5 to 30 in
18M	18M	Partial	25.6 to 28 lb / 25 to 28 lb	31.5 to 33.9 in / 30 to 32 in
24M	2T	Partial	28.4 to 30 lb / 29 to 31 lb	33.9 to 36.2 in / 35 to 36.5 in
2T	2T	Partial	28.4 to 30 lb / 29 to 31 lb	33.9 to 36.2 in / 35 to 36.5 in
3T	3T	Close match	30.4 to 33.1 lb / 31 to 33 lb	36.2 to 38.6 in / 36.5 to 39 in
4T	4T	Close match	34 to 37.9 lb / 33 to 37.5 lb	38.6 to 40.9 in / 39 to 41.5 in

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Every OshKosh B'gosh size in Nike

Close match

OshKosh B'gosh 3T lines up closely with Nike 3T.

Weight (lb)

OshKosh B'gosh 3T 31 to 33 lb

Nike 3T 30.4 to 33.1 lb

Nike 4T 34 to 37.9 lb

Height (in)

OshKosh B'gosh 3T 36.5 to 39 in

Nike 3T 36.2 to 38.6 in

Nike 4T 38.6 to 40.9 in

The shaded column is the OshKosh B'gosh range. Bars show what each brand publishes for the size.

Based on published size charts. OshKosh B'gosh chart and Nike chart.

More comparisons

Charts retrieved October 4, 2026 (OshKosh B'gosh) and October 4, 2026 (Nike). Sources are listed on each brand page. This site is not affiliated with either brand.