European kids' sizes are easy to read once you know the rule: the size is the child's height in centimeters. A size 116 fits a kid up to about 116 cm tall. UK sizes are printed as age ranges.
| US size | Height (in) | Height (cm) | European size | UK size |
|---|---|---|---|---|
| 2T | 33 to 36 | 84 to 91 | 92 | 18-24 months |
| 3T | 36 to 39 | 91 to 99 | 98 | 2-3 years |
| 4T | 39 to 42 | 99 to 107 | 104 | 3-4 years |
| 5 | 42 to 45 | 107 to 114 | 110 | 4-5 years |
| 6 | 45 to 48 | 114 to 122 | 116 to 122 | 5-6 to 6-7 years |
| 7 | 48 to 51 | 122 to 130 | 128 | 7-8 years |
| 8 | 51 to 54 | 130 to 137 | 134 | 8-9 years |
| 10 | 54 to 57.5 | 137 to 146 | 140 to 146 | 9-10 to 10-11 years |
| 12 | 57.5 to 60.5 | 146 to 154 | 152 | 11-12 years |
| 14 | 60.5 to 63.5 | 154 to 161 | 158 | 12-13 years |
| 16 | 63.5 to 66.5 | 161 to 169 | 164 to 170 | 13-14 years and up |
These are typical matches, not exact ones. Brands differ, so check the brand's own chart before you order.
The size is a height in centimeters, and sizes usually go up in steps of 6. Pick the first size at or above your kid's height. A kid who is 119 cm tall wears a 122.
Some brands print a double size such as 110/116. That one piece covers both.
UK sizes are age ranges such as 5-6 years, and each range is tied to a height. Treat the age as a label and go by the height, the same as with US sizes.
Measure your kid in centimeters and you do not need to convert at all. The calculator works in centimeters too, and shows the height your kid is likely to reach in each season ahead.
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