UFC Weight Classes in Kilograms

Weight classes are integral to the UFC structure as they maintain fairness and competitive balance by matching fighters of similar body weights.

However, for Australian UFC fans, the weight classes always being displayed in pounds can be confusing, and we don’t always fully understand the context or have a comparison for the weight classes.

In this article, we explore the UFC’s weight divisions in kilograms to help you understand the size differences.

Men’s UFC Weight Classes

Strawweight: Up to 115 lbs (52.2 kg)
While this is the lightest men’s division in some organizations, the UFC has not had this division for men since 2021.

Flyweight: Up to 125 lbs (56.7 kg)
This weight class is home to some of the fastest fighters, displaying their agility, speed, and quick reflexes.

Bantamweight: Up to 135 lbs (61.2 kg)
Fighters in this division strike a balance between power and agility, resulting in dynamic, high-stakes fights.

Featherweight: Up to 145 lbs (65.8 kg)
This class typically features fighters who demonstrate a mix of speed, power, and technical prowess.

Lightweight: Up to 155 lbs (70.3 kg)
Among the most competitive divisions in UFC, lightweights often deliver some of the most explosive and unforgettable fights.

Welterweight: Up to 170 lbs (77.1 kg)
This division hosts fighters who combine speed with substantial striking and grappling power.

Middleweight: Up to 185 lbs (83.9 kg)
This class begins to showcase raw power, though speed and technique remain vital.

Light Heavyweight: Up to 205 lbs (93.0 kg)
This division spotlights powerful strikers and has produced several legendary UFC fighters.

Heavyweight: Between 206 lbs and 265 lbs (93.0 kg and 120.2 kg)
This is the heaviest weight class in UFC, featuring fighters with tremendous knockout power.

Women’s UFC Weight Classes

Strawweight: Up to 115 lbs (52.2 kg)
This is the lightest weight class for women in the UFC, emphasizing speed, agility, and technique.

Flyweight: Up to 125 lbs (56.7 kg)
This division balances power and agility, with many champions known for their striking ability and grappling skills.

Bantamweight: Up to 135 lbs (61.2 kg)
Bantamweights are versatile fighters, often exhibiting a blend of strength, speed, and technical acumen.

Featherweight: Up to 145 lbs (65.8 kg)
The heaviest women’s division in the UFC, featherweight fighters often demonstrate remarkable power and technique.

What is a “catchweight” fight?

A catchweight fight doesn’t conform to one of the standard weight divisions, typically occurring when a fighter fails to make the required weight or when a fight is organized on short notice.


Grasping the men’s and women’s weight classes in a way that is easy to comprehend is essential for understanding the dynamics of UFC fights – especially when it comes to betting on UFC and following our UFC tips.

Each weight class showcases a unique blend of speed, power, and technique, adding to the varied and thrilling spectacle that makes UFC a global phenomenon.

Fighters must carefully manage their weight before the fight, ensuring they meet the requirements for their division.

Ross Cole

About Ross Cole

Ross Cole is one of the most prolific mixed martial arts writers in the world, having written more than 20,000 MMA news stories for MMA Insight, which he founded in 2009 as a way to channel his passion for the sport of mixed martial arts, and reaching millions of die-hard MMA fans in the process. You can read more of Ross's work at MMAInsight.com.

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