UK | EU | US |
Childs Size 5 | 22 | 6 |
Childs Size 6 | 23 | 7 |
Childs Size 7 | 24 | 8 |
Childs Size 8 | 25 | 9 |
Childs Size 9 | 27 | 10 |
Childs Size 10 | 28 | 11 |
Childs Size 11 | 29 | 12 |
Childs Size 12 | 30 | 13 |
Childs Size 13 | 32 | 1 |
Childs Size 1 | 33 | 2 |
Adults Size 2 | 34 | 3 |
Adults Size 2.5 | 35 | 3.5 |
Adults Size 3 | 36 | 4 |
Adults Size 3.5 | 36.5 | 4.5 |
Adults Size 4 | 37 | 5 |
Adults Size 4.5 | 37.5 | 5.5 |
Adults Size 5 | 38 | 6 |
Adults Size 5.5 | 38.5 | 6.5 |
Adults Size 6 | 39 | 7 |
Adults Size 6.5 | 39.5 | 7.5 |
Adults Size 7 | 40 | 8 |
Adults Size 8 | 41 | 9 |
Adults Size 9 | 42 | 10 |
Adults Size 10 | 43 | 11 |
Please note that conversion charts do vary, and this chart is based on the majority of online conversion charts. We advise you also check online before ordering, to make sure you are happy with your size choice.
Leotards/Garments Size Guide

Katz Size |
00 |
0 |
1 |
2 |
3a |
3 |
4 |
5 |
6 |
|
Measurements all in CM |
|
|
|
|
|
|
|
|
|
|
1 |
Center front depth |
38.9 |
41.1 |
43.3 |
45.5 |
47.7 |
51.7 |
54.1 |
56.5 |
58.9 |
2 |
Center back depth |
34.6 |
36.8 |
39.0 |
41.2 |
43.4 |
46.6 |
48.6 |
50.6 |
52.6 |
3 |
Front neck on half relaxed |
12.5 |
13.5 |
14.5 |
15.5 |
16.5 |
19.1 |
19.5 |
19.8 |
20.2 |
4 |
Back neck on half relaxed |
13.6 |
14.6 |
15.5 |
16.5 |
17.5 |
19.0 |
21.5 |
22.2 |
22.9 |
5 |
Armhole on half relaxed |
14.2 |
15.2 |
16.2 |
17.2 |
18.2 |
21.8 |
22.6 |
23.5 |
24.4 |
6 |
Half chest at armhole |
24.5 |
26.5 |
28.5 |
30.5 |
32.5 |
33.5 |
35.5 |
37.5 |
39.5 |
7 |
Half hip at top of leg |
25.0 |
27.0 |
29.0 |
31.0 |
33.0 |
34.0 |
36.0 |
38.0 |
40.0 |
8 |
Leg on half relaxed |
15.0 |
16.3 |
17.7 |
19.0 |
20.5 |
22.4 |
23.4 |
24.5 |
25.5 |
9 |
Leg on half extended |
25.5 |
27.7 |
30.1 |
32.3 |
35.0 |
38.2 |
39.8 |
41.6 |
43.3 |
10 |
Gusset seam width |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
8.4 |
8.4 |
8.4 |
8.4 |
11 |
Strap width at seam |
3.3 |
3.4 |
3.5 |
3.6 |
3.7 |
4.6 |
4.6 |
4.6 |
4.6 |
12 |
Side seam |
22.9 |
23.9 |
24.9 |
25.9 |
26.9 |
26.9 |
28.1 |
29.3 |
30.5 |