Brand vs brand

Wonder Nation vs Hanna Andersson sizes

Of Wonder Nation's 11 baby and toddler sizes, 5 line up closely with a Hanna Andersson size, 5 are partial matches, and 1 has no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Wonder Nation 3-6M = Hanna Andersson 60 cm, Wonder Nation 24M = Hanna Andersson 85 cm, Wonder Nation 2T = Hanna Andersson 85 cm, Wonder Nation 3T = Hanna Andersson 90 cm.

Watch the labels: Wonder Nation Newborn is closer to Hanna Andersson Newborn than to Hanna Andersson's own Newborn.

Wonder Nation Runs smallHanna 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)

Wonder Nation

Preemie: up to 5 lb
Newborn: 5.5 to 7.5 lb
0-3M: 6.5 to 12 lb
3-6M: 12.5 to 16 lb
6-9M: 16.5 to 19 lb
12M: 19.5 to 22 lb
18M: 22.5 to 26 lb
24M: 26.5 to 30 lb
2T: 26.5 to 30 lb
3T: 30.5 to 34 lb
4T: 34.5 to 38 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)

Wonder Nation

Preemie: up to 17 in
Newborn: 17.5 to 21 in
0-3M: 20.5 to 23 in
3-6M: 23.5 to 26 in
6-9M: 26.5 to 27.5 in
12M: 28 to 29.5 in
18M: 30 to 31.5 in
24M: 32 to 33.5 in
2T: 32 to 33.5 in
3T: 34 to 37.5 in
4T: 38 to 41.5 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

Wonder Nation size to Hanna Andersson size

Wonder Nation	Closest Hanna Andersson	Match	Weight: Wonder Nation / Hanna Andersson	Height: Wonder Nation / Hanna Andersson
Preemie	None	No clean match	up to 5 lb / n/a	up to 17 in / n/a
Newborn	Newborn	Partial	5.5 to 7.5 lb / up to 8 lb	17.5 to 21 in / up to 19 in
0-3M	50 cm	Partial	6.5 to 12 lb / 8 to 12 lb	20.5 to 23 in / 18 to 22 in
3-6M	60 cm	Close match	12.5 to 16 lb / 12 to 16 lb	23.5 to 26 in / 22 to 26 in
6-9M	65 cm	Partial	16.5 to 19 lb / 16 to 20 lb	26.5 to 27.5 in / 26 to 28 in
12M	75 cm	Partial	19.5 to 22 lb / 20 to 24 lb	28 to 29.5 in / 28 to 30 in
18M	80 cm	Partial	22.5 to 26 lb / 24 to 27 lb	30 to 31.5 in / 30 to 32 in
24M	85 cm	Close match	26.5 to 30 lb / 27 to 30 lb	32 to 33.5 in / 32 to 34 in
2T	85 cm	Close match	26.5 to 30 lb / 27 to 30 lb	32 to 33.5 in / 32 to 34 in
3T	90 cm	Close match	30.5 to 34 lb / 27 to 33 lb	34 to 37.5 in / 34 to 38 in
4T	100 cm	Close match	34.5 to 38 lb / 31 to 38 lb	38 to 41.5 in / 38 to 42 in

Hanna Andersson size to Wonder Nation size

Hanna Andersson	Closest Wonder Nation	Match	Weight: Hanna Andersson / Wonder Nation	Height: Hanna Andersson / Wonder Nation
Newborn	Newborn	Partial	up to 8 lb / 5.5 to 7.5 lb	up to 19 in / 17.5 to 21 in
50 cm	0-3M	Partial	8 to 12 lb / 6.5 to 12 lb	18 to 22 in / 20.5 to 23 in
60 cm	3-6M	Close match	12 to 16 lb / 12.5 to 16 lb	22 to 26 in / 23.5 to 26 in
65 cm	6-9M	Partial	16 to 20 lb / 16.5 to 19 lb	26 to 28 in / 26.5 to 27.5 in
70 cm	6-9M	Partial	16 to 20 lb / 16.5 to 19 lb	26 to 28 in / 26.5 to 27.5 in
75 cm	12M	Partial	20 to 24 lb / 19.5 to 22 lb	28 to 30 in / 28 to 29.5 in
80 cm	18M	Partial	24 to 27 lb / 22.5 to 26 lb	30 to 32 in / 30 to 31.5 in
85 cm	24M	Close match	27 to 30 lb / 26.5 to 30 lb	32 to 34 in / 32 to 33.5 in
90 cm	3T	Close match	27 to 33 lb / 30.5 to 34 lb	34 to 38 in / 34 to 37.5 in
100 cm	4T	Close match	31 to 38 lb / 34.5 to 38 lb	38 to 42 in / 38 to 41.5 in

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Every Wonder Nation size in Hanna Andersson

Close match

Wonder Nation 3-6M lines up closely with Hanna Andersson 60 cm.

Weight (lb)

Wonder Nation 3-6M 12.5 to 16 lb

Hanna Andersson 60 cm 12 to 16 lb

Height (in)

Wonder Nation 3-6M 23.5 to 26 in

Hanna Andersson 60 cm 22 to 26 in

The shaded column is the Wonder Nation range. Bars show what each brand publishes for the size.

Based on published size charts. Wonder Nation chart and Hanna Andersson chart.

More comparisons

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