Thaiboxing Rules 6. Classification of Weight Dividions

A. Weight Divisions

Weight Division Max. Weight
1. Mini Flyweight 105 lbs (47.727 kg.)
2. Junior Flyweight 108 lbs (48.988 kg.)
3. Flyweight 112 lbs (50.802 kg.)
4. Junior Bantamweight 115 lbs (52.163 kg.)
5. Bantamweight 118 lbs (53.524 kg.)
6. Junior Featherwweight 122 lbs (55.338 kg.)
7. Featherweight 126 lbs (57.153 kg.)
8. Junior Lightweight 130 lbs (58.967 kg.)
9. Lightweight 135 lbs (61.235 kg.)
10. Junior Welterweight 140 lbs (63.503 kg.)
11. Welterweight 147 lbs (66.638 kg.)
12. Junior Middleweight 154 lbs (69.853 kg.)
13. Middleweight 160 lbs (71.575 kg.)
14. Super Middleweight 168 lbs (76.363 kg.)
15. Light Heavyweight 175 lbs (79.379 kg.)
16. Cruiserweight 190 lbs (86.183 kg.)
17. Heavyweight 190 lbs+ (86.183 kg.+)
18. Super Heavyweight 209 lbs+ (95 kg.+)

B. Weigh-In

  • The boxer shall be weighed without clothes, no later than 3 hours prior to the match.
  • If the fighter is over weight at the time of the weigh-in, he may reweigh again.
  • Prior to the weigh-in, all fighters must be examined and certified fit by a licenced doctor.