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Old Navy Size Charts

Measuring Tips

Here are some tips to help you order the correct size. If you don't have a measuring tape, use a piece of string and hold it alongside a ruler.

Length

Measure from the top of the baby's head to the floor.

Weight

Note baby's weight to the nearest pound/kilogram.

Waist

Measure the natural waist over the belly button.

Old Navy Baby Tops & Bottoms Toddler Size Chart

Measurement Unit: US (inch) | World (cm) | Both

Label	Size	Length	Weight	Waist	Inseam
XS	Up to 7 lbs	0 - 18 inch 0 - 46 cm	0 - 7 lb 0 - 3 kg	14 - 15 inch 36 - 38 cm	5 inch 13 cm
XS	0-3 mos	19 - 23 inch 48 - 58 cm	7 - 12 lb 3 - 5 kg	15¹/₂ - 16¹/₂ inch 39 - 42 cm	6 inch 15 cm
S	3-6 mos	23 - 27 inch 58 - 69 cm	12 - 17 lb 5 - 8 kg	16¹/₂ - 17¹/₂ inch 42 - 44 cm	7 inch 18 cm
S	6-9 mos	27 - 28 inch 69 - 71 cm	17 - 19 lb 8 - 9 kg	17¹/₂ - 18 inch 44 - 46 cm	7¹/₂ inch 19 cm
M	6-12 mos	27 - 29 inch 69 - 74 cm	17 - 22 lb 8 - 10 kg	17¹/₂ - 18¹/₂ inch 44 - 47 cm	8 inch 20 cm
L	12-18 mos	29 - 31 inch 74 - 79 cm	22 - 27 lb 10 - 12 kg	18¹/₂ - 19¹/₂ inch 47 - 50 cm	9¹/₂ inch 24 cm
XL	18-24 mos	31 - 33 inch 79 - 84 cm	27 - 30 lb 12 - 14 kg	19 - 20 inch 48 - 51 cm	11 inch 28 cm
2T	2 yrs	33 - 36 inch 84 - 91 cm	30 - 33 lb 14 - 15 kg	19¹/₂ - 20¹/₂ inch 50 - 52 cm	12¹/₂ inch 32 cm
3T	3 yrs	36 - 39 inch 91 - 99 cm	33 - 36 lb 15 - 16 kg	20 - 21 inch 51 - 53 cm	14¹/₄ inch 36 cm
4T	4 yrs	39 - 42 inch 99 - 107 cm	36 - 40 lb 16 - 18 kg	20¹/₂ - 21¹/₂ inch 52 - 55 cm	16 inch 41 cm
5T	5 yrs	42 - 45 inch 107 - 114 cm	40 - 46 lb 18 - 21 kg	21 - 22 inch 53 - 56 cm	17³/₄ inch 45 cm
6T	6 yrs	45 - 49 inch 114 - 124 cm	46 - 53 lb 21 - 24 kg	22³/₈ inch 57 cm	19³/₄ inch 50 cm

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Length Conversion

Note: 1 inch = 2.54 cm, 1 cm = 0.394 inch, 1 foot = 30.48 cm, 1 cm = 0.033 foot, 1 foot = 12 inch, 1 inch = 0.083 foot

Essential Tools

If you do a lot of online apparel shopping, accurate body measurement using a tape measure is a must. The actual tape you choose doesn’t matter that much. This measuring tape set has two double-sided, 60-inch / 150 cm, durable tape measure in pink and black. They are small and light pocket-size measuring tapes, and they have accurate, large and clear markings in both inches and centimeters, which are very easy and convenient to read. They are also great for body measurement, sewing, tailoring, weight loss tracking, or measuring any curved surface.

How to measure without a ruler or tape measure?

If you don't have a ruler or tape measure handy, you can try to measure with a standard credit card, which has a width of 3 ⅜ inch or 8.56 cm and a height of 2 ⅛ inch or 5.4 cm.