ISKA champions and British top ten ratings
Men
Muaythai/Oriental
- Super-flyweight 53.5kg
- Bantamweight 54.5kg
- Super-bantamweight 56.5kg
- Featherweight 58.5kg
- Lightweight 60kg
- Super-lightweight 62.2kg
- Light-welterweight 64.5kg
- Welterweight (men) 66.6kg
- Super-welterweight 69.5kg
- Light-middleweight 72.5kg
- Middleweight 75kg
- Super-middleweight 78kg
- Light-heavyweight 81.4kg
- Light-cruiserweight 84.6kg
- Cruiserweight 88.2kg
- Super-cruiserweight 91.8kg
- Heavyweight 96.4kg
- Super-heavyweight +96.5kg
- Light-middleweight 72.5kg
Full contact/Freestyle
- Super-flyweight 53.5kg
- Bantamweight 54.5kg
- Super-bantamweight 56.5kg
- Featherweight 58.5kg
- Lightweight 60kg
- Super-lightweight 62.2kg
- Light-welterweight 64.5kg
- Welterweight (men) 66.6kg
- Super-welterweight 69.5kg
- Light-middleweight 72.5kg
- Middleweight 75kg
- Super-middleweight 78kg
- Light-heavyweight 81.4kg
- Light-cruiserweight 84.6kg
- Cruiserweight 88.2kg
- Super-cruiserweight 91.8kg
- Heavyweight 96.4kg
- Super-heavyweight +96.5kg
- Light-welterweight 64.5kg
- Lightweight 60kg
