Brand vs brand

Old Navy vs Hanna Andersson sizes

Of Old Navy's 10 baby and toddler sizes, 0 line up closely with a Hanna Andersson size, 10 are partial matches, and 0 have no clean match. Both charts list weight and height, so the comparison uses both.

Old Navy True to sizeHanna Andersson Not enough shared sizes

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)

Old Navy

Up to 7 lb: up to 6.6 lb
0-3M: 6.6 to 13.2 lb
3-6M: 13.2 to 17.6 lb
6-9M: 17.6 to 19.8 lb
6-12M: 17.6 to 22 lb
12-18M: 22 to 24.3 lb
18-24M: 24.3 to 26.5 lb
2T: 26.5 to 28.7 lb
3T: 28.7 to 33.1 lb
4T: 33.1 to 35.3 lb

Hanna Andersson

Newborn: up to 8 lb
50 cm: 8 to 12 lb
60 cm: 12 to 16 lb
65 cm: 16 to 20 lb
70 cm: 16 to 20 lb
75 cm: 20 to 24 lb
80 cm: 24 to 27 lb
85 cm: 27 to 30 lb
90 cm: 27 to 33 lb
100 cm: 31 to 38 lb

Height (in)

Old Navy

Up to 7 lb: up to 21.7 in
0-3M: 21.7 to 24 in
3-6M: 24 to 26.4 in
6-9M: 26.4 to 29.1 in
6-12M: 26.4 to 29.1 in
12-18M: 29.1 to 31.5 in
18-24M: 31.5 to 33.9 in
2T: 33.9 to 36.2 in
3T: 36.2 to 39 in
4T: 39 to 42.1 in

Hanna Andersson

Newborn: up to 19 in
50 cm: 18 to 22 in
60 cm: 22 to 26 in
65 cm: 26 to 28 in
70 cm: 26 to 28 in
75 cm: 28 to 30 in
80 cm: 30 to 32 in
85 cm: 32 to 34 in
90 cm: 34 to 38 in
100 cm: 38 to 42 in

Old Navy size to Hanna Andersson size

Old Navy	Closest Hanna Andersson	Match	Weight: Old Navy / Hanna Andersson	Height: Old Navy / Hanna Andersson
Up to 7 lb	50 cm	Partial	up to 6.6 lb / 8 to 12 lb	up to 21.7 in / 18 to 22 in
0-3M	50 cm	Partial	6.6 to 13.2 lb / 8 to 12 lb	21.7 to 24 in / 18 to 22 in
3-6M	60 cm	Partial	13.2 to 17.6 lb / 12 to 16 lb	24 to 26.4 in / 22 to 26 in
6-9M	65 cm	Partial	17.6 to 19.8 lb / 16 to 20 lb	26.4 to 29.1 in / 26 to 28 in
6-12M	65 cm	Partial	17.6 to 22 lb / 16 to 20 lb	26.4 to 29.1 in / 26 to 28 in
12-18M	75 cm	Partial	22 to 24.3 lb / 20 to 24 lb	29.1 to 31.5 in / 28 to 30 in
18-24M	80 cm	Partial	24.3 to 26.5 lb / 24 to 27 lb	31.5 to 33.9 in / 30 to 32 in
2T	90 cm	Partial	26.5 to 28.7 lb / 27 to 33 lb	33.9 to 36.2 in / 34 to 38 in
3T	90 cm	Partial	28.7 to 33.1 lb / 27 to 33 lb	36.2 to 39 in / 34 to 38 in
4T	100 cm	Partial	33.1 to 35.3 lb / 31 to 38 lb	39 to 42.1 in / 38 to 42 in

Hanna Andersson size to Old Navy size

Hanna Andersson	Closest Old Navy	Match	Weight: Hanna Andersson / Old Navy	Height: Hanna Andersson / Old Navy
Newborn	Up to 7 lb	No clean match	up to 8 lb / up to 6.6 lb	up to 19 in / up to 21.7 in
50 cm	0-3M	Partial	8 to 12 lb / 6.6 to 13.2 lb	18 to 22 in / 21.7 to 24 in
60 cm	3-6M	Partial	12 to 16 lb / 13.2 to 17.6 lb	22 to 26 in / 24 to 26.4 in
65 cm	6-9M	Partial	16 to 20 lb / 17.6 to 19.8 lb	26 to 28 in / 26.4 to 29.1 in
70 cm	6-9M	Partial	16 to 20 lb / 17.6 to 19.8 lb	26 to 28 in / 26.4 to 29.1 in
75 cm	12-18M	Partial	20 to 24 lb / 22 to 24.3 lb	28 to 30 in / 29.1 to 31.5 in
80 cm	18-24M	Partial	24 to 27 lb / 24.3 to 26.5 lb	30 to 32 in / 31.5 to 33.9 in
85 cm	18-24M	Partial	27 to 30 lb / 24.3 to 26.5 lb	32 to 34 in / 31.5 to 33.9 in
90 cm	3T	Partial	27 to 33 lb / 28.7 to 33.1 lb	34 to 38 in / 36.2 to 39 in
100 cm	4T	Partial	31 to 38 lb / 33.1 to 35.3 lb	38 to 42 in / 39 to 42.1 in

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Every Old Navy size in Hanna Andersson

Partial match

Old Navy Up to 7 lb is closest to Hanna Andersson 50 cm, but it is not a clean match.

Weight (lb)

Old Navy Up to 7 lb up to 6.6 lb

Hanna Andersson Newborn up to 8 lb

Hanna Andersson 50 cm 8 to 12 lb

Height (in)

Old Navy Up to 7 lb up to 21.7 in

Hanna Andersson Newborn up to 19 in

Hanna Andersson 50 cm 18 to 22 in

The shaded column is the Old Navy range. Bars show what each brand publishes for the size.

Based on published size charts. Old Navy chart and Hanna Andersson chart.

More comparisons

Charts retrieved October 4, 2026 (Old Navy) and October 4, 2026 (Hanna Andersson). Sources are listed on each brand page. This site is not affiliated with either brand.