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.

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

Old Navy Baby Tops & Bottoms Toddler Size Chart

LabelSizeLengthWeightWaistInseam
XSUp 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
XS0-3 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
S3-6 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
S6-9 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
M6-12 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
L12-18 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
XL18-24 mos
31 - 33 inch
79 - 84 cm
27 - 30 lb
12 - 14 kg
19 - 20 inch
48 - 51 cm
11 inch
28 cm
2T2 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
3T3 yrs
36 - 39 inch
91 - 99 cm
33 - 36 lb
15 - 16 kg
20 - 21 inch
51 - 53 cm
141/4 inch
36 cm
4T4 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
5T5 yrs
42 - 45 inch
107 - 114 cm
40 - 46 lb
18 - 21 kg
21 - 22 inch
53 - 56 cm
173/4 inch
45 cm
6T6 yrs
45 - 49 inch
114 - 124 cm
46 - 53 lb
21 - 24 kg
223/8 inch
57 cm
193/4 inch
50 cm
 

Compare Size Charts

To compare with another brand/style, please select the options below.

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Length Conversion

cm
inch
feet

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

 

 

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.

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 retractable one is very easy to use, and the fact it uses both CM and IN is extremely helpful.

 


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