February 23, 2024
Learn everything you need to know about UFC weight classes. From the history of the weight class system to how fighters make weight, this guide provides a comprehensive breakdown of each division and its respective champions.


The Ultimate Fighting Championship (UFC) is a premier mixed martial arts (MMA) organization that showcases world-class fighters from different disciplines. Since its inception, the UFC has implemented a weight class system to allow fairer competition among fighters. As a UFC fan, understanding the weight classes is important to appreciate the skills and techniques of each fighter in their respective divisions. In this article, we will dive deep into the UFC weight class system and discuss why it is a crucial aspect of the sport.

Breaking Down UFC Weight Classes: A Comprehensive Guide

The UFC has ten weight classes, ranging from the flyweight (up to 125 lbs) to the heavyweight (up to 265 lbs). The weight limit for each division is determined by the State Athletic Commissions, with some minor variations. The current UFC weight classes are:

– Flyweight (up to 125 lbs)
– Bantamweight (up to 135 lbs)
– Featherweight (up to 145 lbs)
– Lightweight (up to 155 lbs)
– Welterweight (up to 170 lbs)
– Middleweight (up to 185 lbs)
– Light Heavyweight (up to 205 lbs)
– Heavyweight (up to 265 lbs)

The UFC weight class system was introduced in 1997, with just two divisions: heavyweight and lightweight. As the UFC grew in popularity, more weight classes were added to allow for more competitive and diverse fights. In 2012, the UFC added the flyweight division, the first new weight class in six years.

Each division has its champions, who are the top-ranked fighters in the division. Some of the most famous UFC champions include Georges St-Pierre (welterweight), Jon Jones (light heavyweight), and Amanda Nunes (women’s bantamweight and featherweight).

Understanding UFC Weight Classes: A Beginner’s Guide

Weight classes are significant in the UFC because they ensure that fighters of similar size and weight compete against each other. This creates a level playing field and allows fighters to showcase their skills and strategies without any physical disadvantages. Fighters who compete at a weight class below their natural body weight have an advantage in terms of speed and agility, while those who compete at a higher weight class may have more knockout power and strength.

The implications for fighters who compete in different weight classes are vast. Moving up or down in a weight class can significantly impact a fighter’s performance, health, and career trajectory. For example, Conor McGregor is a two-division champion, having won titles in the featherweight and lightweight divisions. Moving up in weight class allowed him to face more challenging opponents and increase his earning potential.

As of August 2021, the current UFC champions in each division are:

– Flyweight: Brandon Moreno
– Bantamweight: Aljamain Sterling
– Featherweight: Alexander Volkanovski
– Lightweight: Charles Oliveira
– Welterweight: Kamaru Usman
– Middleweight: Israel Adesanya
– Light Heavyweight: Jan Blachowicz
– Heavyweight: Francis Ngannou

The Ultimate UFC Weight Class Comparison: Fighters, Weights, and Stats

The UFC weight classes each have their unique sets of fighters, weight limits, and notable stats. For instance, the flyweight division has some of the fastest fighters in the UFC, while the heavyweight division has some of the hardest-hitting fighters. When comparing each weight class, several trends and patterns may arise. For example, fighters in the lower weight classes tend to have higher striking accuracy, while fighters in the higher weight classes tend to have higher knockout percentages.

From Flyweight to Heavyweight: A Look at the UFC’s Weight Class System

Each weight class in the UFC has its set of fighters, styles, and strategies. The flyweight division is home to some of the most exciting high-octane fights, with fighters such as Brandon Moreno, Deiveson Figueiredo, and Brandon Royval. The featherweight division has some of the most well-rounded fighters, with Alexander Volkanovski, Max Holloway, and Brian Ortega leading the pack. The heavyweight division is home to some of the most powerful and intimidating fighters, such as Francis Ngannou, Derrick Lewis, and Alistair Overeem.

Recent fights and notable fighters in each weight class may influence the division’s direction and popularity. For example, Charles Oliveira’s recent win over Michael Chandler has solidified his position as the lightweight champion and showcased his excellent ground game. Meanwhile, the women’s divisions have seen increased attention and talent, with fighters such as Valentina Shevchenko and Rose Namajunas dominating their respective divisions.

Fighters can move up or down in weight classes depending on their career goals. For instance, a fighter might move up in weight class to face more challenging opponents or down in weight class to become the top-ranked fighter and win a title. However, fighters who move up or down in weight class will have to decide on the perfect body weight for their performance, health, and longevity goals.

UFC Weight Divisions: How Fighters Make Weight and Why It Matters

Making weight is a crucial step for fighters before fighting in a UFC bout. Fighters must meet their weight limit at least one day before the fight to ensure they are competing against fighters of similar weight. To make weight, fighters may use various techniques, such as following strict diets, participating in exhausting workouts, using saunas, and cutting water weight. However, weight cutting is not without risks and can harm fighters’ health and performance.

Making weight matters because it ensures fair competition and fighter safety. If a fighter fails to make the weight limit, they may forfeit part of their purse, face legal repercussions, or be ineligible to compete. Moreover, fighters who cut too much weight may experience dehydration, fatigue, and reduced athletic performance, reducing their chances of winning the fight.


In conclusion, understanding the UFC weight class system is crucial for any UFC fan. The weight class system ensures fair competition, showcases each fighter’s abilities, and impacts their career trajectory. From the flyweight division to the heavyweight division, each weight class has its unique fighters, strategies, and styles. Our comprehensive guide has covered everything from the history of weight classes to the current champions, weight cutting issues and how fighters can move up or down to achieve their goals. We hope this guide has been informative and helps enhance your UFC viewing experience.

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