what is atom weight in mma

In mixed martial arts (MMA), atomweight refers to a weight class for competitors weighing less than 48 kg (105.8 lb), depending on the promotion). The atomweight division is used almost exclusively for womens MMA). In Canada, the atomweight division is also referred to as the minimum weight division and is for fighters weighing in at or below 105 lbs (or 48 kg) . The atomweight division is not clearly articulated in any of MMAs Unified Rules, but it confidently retains its place within the competitive landscape of the sport.