US to IT clothing size
The short answer
By the formula, US 00 is IT 34. On brand charts the most common answer is 36 (2 of 2 brands), and 3 different answers are in print.
The formula and the brands' most common answer differ on 1 of 12 sizes below. Use the brand's own number for the brand you are buying.
| US | IT by formula | Most brands print | Other answers in print |
|---|---|---|---|
| 00 | 34 | 36 (2 of 2) | 32: J.Crew; 34: J.Crew |
| 0 | 36 | 36 (2 of 2) | 32: J.Crew; 34: J.Crew |
| 2 | 38 | 38 (3 of 3) | not published |
| 4 | 40 | 40 (3 of 3) | not published |
| 6 | 42 | 42 (3 of 3) | not published |
| 8 | 44 | 44 (3 of 3) | not published |
| 10 | 46 | 46 (3 of 3) | not published |
| 12 | 48 | 48 (2 of 2) | not published |
| 14 | 50 | 50 (2 of 2) | not published |
| 16 | 52 | not published | not published |
| 18 | 54 | not published | not published |
| 20 | 56 | not published | not published |
The widest split is at US 00: brand charts print anything from IT 32 to 36 for the same size.