King's Kung-Fu& Tai Chi

IBJJF gi, juvenile, male weight classes

9 weight classs. Limits are upper limits and inclusive.

Rules change. Check the official rulebook for your event before competing. This site is not affiliated with IBJJF, ADCC, NAGA or Grappling Industries.

Weight classes

ClassAboveUp to (kg)Up to (lb)
Rooster—53.5 kg118 lb
Light Feather53.5 kg58.5 kg129 lb
Feather58.5 kg64 kg141.6 lb
Light64 kg69 kg152.6 lb
Middle69 kg74 kg163.6 lb
Medium Heavy74 kg79.3 kg175 lb
Heavy79.3 kg84.3 kg186 lb
Super Heavy84.3 kg89.3 kg197 lb
Ultra Heavy89.3 kgno limitno limit

See also

Data from bjj-data by Grapple Flows (grappleflows.com), licensed CC BY 4.0; reformatted into tables on this page.

Data: bjj-data (Grapple Flows) (CC BY 4.0). Retrieved 2026-10-22.