Brand vs brand

Old Navy vs Cloud Island sizes

Of Old Navy's 10 baby and toddler sizes, 0 line up closely with a Cloud Island size, 7 are partial matches, and 3 have no clean match. Both charts list weight and height, so the comparison uses both.

Old Navy True to sizeCloud Island 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)

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

Cloud Island

Preemie: up to 5.5 lb
Newborn: 6 to 8.5 lb
0-3M: 9 to 12 lb
3-6M: 12.5 to 16 lb
6-9M: 16.5 to 19.5 lb
12M: 20 to 23 lb
18M: 23.5 to 26 lb
24M: 26.5 to 28 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

Cloud Island

Preemie: up to 17.5 in
Newborn: 18 to 20 in
0-3M: 20.5 to 23.5 in
3-6M: 24 to 25.5 in
6-9M: 26 to 27.5 in
12M: 28 to 30.5 in
18M: 31 to 32.5 in
24M: 33 to 35.5 in

Old Navy size to Cloud Island size

Old Navy	Closest Cloud Island	Match	Weight: Old Navy / Cloud Island	Height: Old Navy / Cloud Island
Up to 7 lb	Newborn	No clean match	up to 6.6 lb / 6 to 8.5 lb	up to 21.7 in / 18 to 20 in
0-3M	0-3M	Partial	6.6 to 13.2 lb / 9 to 12 lb	21.7 to 24 in / 20.5 to 23.5 in
3-6M	3-6M	Partial	13.2 to 17.6 lb / 12.5 to 16 lb	24 to 26.4 in / 24 to 25.5 in
6-9M	6-9M	Partial	17.6 to 19.8 lb / 16.5 to 19.5 lb	26.4 to 29.1 in / 26 to 27.5 in
6-12M	6-9M	Partial	17.6 to 22 lb / 16.5 to 19.5 lb	26.4 to 29.1 in / 26 to 27.5 in
12-18M	12M	Partial	22 to 24.3 lb / 20 to 23 lb	29.1 to 31.5 in / 28 to 30.5 in
18-24M	18M	Partial	24.3 to 26.5 lb / 23.5 to 26 lb	31.5 to 33.9 in / 31 to 32.5 in
2T	24M	Partial	26.5 to 28.7 lb / 26.5 to 28 lb	33.9 to 36.2 in / 33 to 35.5 in
3T	None	No clean match	28.7 to 33.1 lb / n/a	36.2 to 39 in / n/a
4T	None	No clean match	33.1 to 35.3 lb / n/a	39 to 42.1 in / n/a

Cloud Island size to Old Navy size

Cloud Island	Closest Old Navy	Match	Weight: Cloud Island / Old Navy	Height: Cloud Island / Old Navy
Preemie	Up to 7 lb	No clean match	up to 5.5 lb / up to 6.6 lb	up to 17.5 in / up to 21.7 in
Newborn	Up to 7 lb	No clean match	6 to 8.5 lb / up to 6.6 lb	18 to 20 in / up to 21.7 in
0-3M	0-3M	Partial	9 to 12 lb / 6.6 to 13.2 lb	20.5 to 23.5 in / 21.7 to 24 in
3-6M	3-6M	Partial	12.5 to 16 lb / 13.2 to 17.6 lb	24 to 25.5 in / 24 to 26.4 in
6-9M	6-9M	Partial	16.5 to 19.5 lb / 17.6 to 19.8 lb	26 to 27.5 in / 26.4 to 29.1 in
12M	6-12M	Partial	20 to 23 lb / 17.6 to 22 lb	28 to 30.5 in / 26.4 to 29.1 in
18M	18-24M	Partial	23.5 to 26 lb / 24.3 to 26.5 lb	31 to 32.5 in / 31.5 to 33.9 in
24M	2T	Partial	26.5 to 28 lb / 26.5 to 28.7 lb	33 to 35.5 in / 33.9 to 36.2 in

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Every Old Navy size in Cloud Island

No clean match

Old Navy Up to 7 lb has no clean match in Cloud Island. The nearest size is Newborn, with only a small overlap.

Weight (lb)

Old Navy Up to 7 lb up to 6.6 lb

Cloud Island Preemie up to 5.5 lb

Cloud Island Newborn 6 to 8.5 lb

Cloud Island 0-3M 9 to 12 lb

Height (in)

Old Navy Up to 7 lb up to 21.7 in

Cloud Island Preemie up to 17.5 in

Cloud Island Newborn 18 to 20 in

Cloud Island 0-3M 20.5 to 23.5 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 Cloud Island chart.

More comparisons

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