Weight classes are divisions of competition used to match competitors against others of their own size. Weight classes are used in a variety of sports, especially

combat sports A combat sport, or fighting sport, is a competitive contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the oppo ...

(such as

boxing Boxing (also known as "Western boxing" or "pugilism") is a combat sport in which two people, usually wearing protective gloves and other protective equipment such as hand wraps and mouthguards, throw punches at each other for a predetermined ...

kickboxing Kickboxing is a combat sports, combat sport focused on kicking and punch (strike), punching. The combat takes place in a boxing ring, normally with boxing gloves, mouthguards, shorts, and bare feet to favour the use of kicks. Kickboxing is pract ...

mixed martial arts Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is a full-contact combat sport based on striking, grappling and ground fighting, inc ...

and

wrestling Wrestling is a series of combat sports involving grappling-type techniques such as clinch fighting, throws and takedowns, joint locks, pins and other grappling holds. Wrestling techniques have been incorporated into martial arts, combat ...

). Alternatives to formal weight classes include catch weight and

openweight Openweight, also known as Absolute, is an unofficial weight class in combat sports and professional wrestling. It refers to bouts where there is no weight limit and fighters with a dramatic difference in size can compete against each other. It is d ...

. The existence of weight divisions gives rise to the practice of

weight cutting Weight cutting is the practice of fast weight loss prior to a sporting competition. It most frequently happens in order to qualify for a lower weight class (usually in combat sports or rowing, where weight is a significant advantage) or in sports ...

. To be the largest individual in a weight division is perceived as advantageous; therefore many athletes lose weight through

dieting Dieting is the practice of eating food in a regulated way to decrease, maintain, or increase body weight, or to prevent and treat diseases such as diabetes and obesity. As weight loss depends on calorie intake, different kinds of calorie-redu ...

and

dehydration In physiology, dehydration is a lack of total body water, with an accompanying disruption of metabolic processes. It occurs when free water loss exceeds free water intake, usually due to exercise, disease, or high environmental temperature. Mil ...

prior to weigh-ins to qualify for a lower weight class.

Comparison

Below are selected maximum weight limits in kg, for the major classes in different sports.

References

{{MMA weight classes

Comparison

See also

References