Gap Size Chart
Apparel
Industry standard for baby apparel is to use age as the size, but it is important to measure your child as it is possible to have an older child that still needs a smaller size, or conversely a younger child that needs to size up. For example, a baby that is 14 months may still be wearing size 6-12 months given her measurements. If when measuring your child falls into two different sizes between weight and length (i.e. 24 lbs and 32") then it is best to size up to ensure a better fit.
Note apparel in sizes up to 2 years accommodates extra room for a diaper. Measurements up to 2 years below are represented with a diaper on.
Baby Apparel Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | EU | UK | Japan | Weight | Length |
|---|---|---|---|---|---|
| UP TO 7 LBS | UP TO 7 LBS | UP TO 7 LBS | 45 CM | 0 - 7 lb 0 - 3 kg | 0 - 18 inch 0 - 46 cm |
| 0 - 3 mos | 0 - 3 mos | 0 - 3 mos | 50 CM | 7 - 12 lb 3 - 5 kg | 18 - 23 inch 46 - 58 cm |
| 3 - 6 mos | 3 - 6 mos | 3 - 6 mos | 60 CM | 12 - 17 lb 5 - 8 kg | 23 - 27 inch 58 - 69 cm |
| 6 - 12 mos | 6 - 12 mos | 6 - 12 mos | 70 CM | 17 - 22 lb 8 - 10 kg | 27 - 29 inch 69 - 74 cm |
| 12 - 18 mos | 12 - 18 mos | 12 - 18 mos | 80 CM | 22 - 27 lb 10 - 12 kg | 29 - 31 inch 74 - 79 cm |
| 18 - 24 mos | 18 - 24 mos | 18 - 24 mos | 90 CM | 27 - 30 lb 12 - 14 kg | 31 - 33 inch 79 - 84 cm |
Toddler Apparel Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | EU | UK | Japan | Weight | Length |
|---|---|---|---|---|---|
| 12 - 18 mos | 12 - 18 mos | 12 - 18 mos | 80 CM | 22 - 27 lb 10 - 12 kg | 29 - 31 inch 74 - 79 cm |
| 18 - 24 mos | 18 - 24 mos | 18 - 24 mos | 90 CM | 27 - 30 lb 12 - 14 kg | 31 - 33 inch 79 - 84 cm |
| 2 yrs | 2 yrs | 2 yrs | 95 CM | 30 - 33 lb 14 - 15 kg | 33 - 36 inch 84 - 91 cm |
| 3 yrs | 3 yrs | 3 yrs | 100 CM | 33 - 36 lb 15 - 16 kg | 36 - 39 inch 91 - 99 cm |
| 4 yrs | 4 yrs | 4 yrs | 105 CM | 36 - 40 lb 16 - 18 kg | 39 - 42 inch 99 - 107 cm |
| 5 yrs | 5 yrs | 5 yrs | 110 CM | 40 - 46 lb 18 - 21 kg | 42 - 45 inch 107 - 114 cm |
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Shoes & Accessories
Baby Shoes Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | US | EU | UK | Japan | Length |
|---|---|---|---|---|---|
| 0 - 3 mos | 1 | 16 | 0 | 9.2 | 35/8 inch 9 cm |
| 3 - 6 mos | 2 | 17 | 1 | 10 | 315/16 inch 10 cm |
| 6 - 12 mos | 3 | 18 | 2 | 11 | 45/16 inch 11 cm |
| 12 - 18 mos | 4 | 19 | 3 | 11.5 | 45/8 inch 12 cm |
| 18 - 24 mos | 5 | 22 | 4 | 12.5 | 415/16 inch 13 cm |
Toddler Shoes Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | US | EU | UK | Japan | Length |
|---|---|---|---|---|---|
| 3 | 3 | 18 | 2 | 11 | 45/16 inch 11 cm |
| 4 | 4 | 19 | 3 | 11.5 | 45/8 inch 12 cm |
| 5 | 5 | 22 | 4 | 12.5 | 415/16 inch 13 cm |
| 6 | 6 | 23 | 5 | 13.5 | 55/16 inch 13 cm |
| 7 | 7 | 24 | 6 | 14 | 55/8 inch 14 cm |
| 8 | 8 | 25 | 7 | 15 | 515/16 inch 15 cm |
| 9 | 9 | 26 | 8 | 16 | 61/4 inch 16 cm |
| 10 | 10 | 27 | 9 | 16.5 | 69/16 inch 17 cm |
| 11 | 11 | 28 | 10 | 17.5 | 615/16 inch 18 cm |
| 12 | 12 | 29 | 11 | 18 | 71/4 inch 18 cm |
Baby & Toddler Hats Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | EU | UK | Japan | Head Circumference |
|---|---|---|---|---|
| XS / S | XS / S | XS / S | XS / S | 191/2 inch 50 cm |
| S / M | S / M | S / M | S / M | 201/2 inch 52 cm |
| M / L | M / L | M / L | M / L | 211/2 inch 55 cm |
Baby & Toddler Mittens Gloves Size Chart
Measurement Unit: US (inch) | World (cm) | Both| Label | US | EU | UK | Japan | Width |
|---|---|---|---|---|---|
| 12 - 24 mos | XS / S | XS / S | XS / S | XS / S | 53/4 inch 15 cm |
| 2 - 3 yrs | S / M | S / M | S / M | S / M | 61/2 inch 17 cm |
| 4 - 5 yrs | M / L | M / L | M / L | M / L | 71/4 inch 18 cm |
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Compare Size Charts
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Visit official website: https://www.gap.com
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.
