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Boxing Weight Class Calculator

Professional Boxing

Amateur Boxing

How to use the boxing weight class calculator?

We have two calculators one for professional boxing and the other for amateur boxing, below are quick and easy instructions on how to use them.

Professional boxing:

  1. Select your gender.
  2. Enter your body weight, which is in pounds (lbs).
  3. Click the ‘next’ button.
  4. Weight class will be displayed on the next page

Amateur boxing:

  1. Select your gender
  2. Select the amateur sport you want
  3. Enter your body weight, which is in kilograms (kg).
  4. Click the ‘next’ button.
  5. Weight class will be displayed on the next page

Why is weight so important in boxing?

Boxing is a weight-sensitive sport. The weight of a boxer affects the power of his punches, his stamina, and his ability to take punches. A boxer who is too heavy or too light may not be able to compete at the highest levels of the sport.

Finding the right weight class is essential for any serious boxer. Weight is important in boxing because it affects the boxer’s ability to generate power with his punches, as well as his stamina and resistance to taking punches.

What is the weight for each boxing class?

Boxing is a sport with weight classes that range from 102 lbs to heavyweight. The different weight classes were established to create more evenly matched fights and allow boxers of different size and strength to compete against each other.

There are 19 weight classes in professional boxing, with each class having a specific upper limit on the boxer’s weight except the heavyweight division.

The lightest professional weight class is atomweight (women’s only division), which has an upper limit of 102 lbs. The heaviest is heavyweight, which has no upper limit. In amateur boxing, the international boxing associations (AIBA) have 15 weight classes ranging from minimumweight (46 kg) to super heavyweight (unlimited).

Professional Boxing

Professional boxing, also known as prizefighting, is a sport in which two participants of similar weight compete against each other in a series of three-minute rounds. The winner is determined by the judges, who score the bout based on the punches that land on the head and body of the opponent.

Professional boxing has been around since the late 19th century, and has since grown into one of the most popular sports in the world. Millions of people watch professional boxing matches every year, and there are many renowned boxers who have become household names such as legendary former champion Sugar Ray Robinson. Below is the professional boxing weight classes in order from the lowest to the highest.

≥200 lb (90.7 kg)HeavyweightHeavyweightHeavyweightHeavyweight
224 lb (101.6 kg; 16 st 0 lb) Bridgerweight  
200 lb (90.7 kg; 14 st 4.0 lb)CruiserweightCruiserweightCruiserweightJunior heavyweight
175 lb (79.4 kg; 12 st 7.0 lb)Light heavyweightLight heavyweightLight heavyweightLight heavyweight
168 lb (76.2 kg; 12 st 0 lb)Super middleweightSuper middleweightSuper middleweightSuper middleweight
160 lb (72.6 kg; 11 st 6.0 lb)MiddleweightMiddleweightMiddleweightMiddleweight
154 lb (69.9 kg; 11 st 0 lb)Super welterweightSuper welterweightJunior middleweightJunior middleweight
147 lb (66.7 kg; 10 st 7.0 lb)WelterweightWelterweightWelterweightWelterweight
140 lb (63.5 kg; 10 st 0 lb)Super lightweightSuper lightweightJunior welterweightJunior welterweight
135 lb (61.2 kg; 9 st 9.0 lb)LightweightLightweightLightweightLightweight
130 lb (59.0 kg; 9 st 4.0 lb)Super featherweightSuper featherweightJunior lightweightJunior lightweight
126 lb (57.2 kg; 9 st 0 lb)FeatherweightFeatherweightFeatherweightFeatherweight
122 lb (55.3 kg; 8 st 10.0 lb)Super bantamweightSuper bantamweightJunior featherweightJunior featherweight
118 lb (53.5 kg; 8 st 6.0 lb)BantamweightBantamweightBantamweightBantamweight
115 lb (52.2 kg; 8 st 3.0 lb)Super flyweightSuper flyweightJunior bantamweightJunior bantamweight
112 lb (50.8 kg; 8 st 0 lb)FlyweightFlyweightFlyweightFlyweight
108 lb (49.0 kg; 7 st 10.0 lb)Light flyweightLight flyweightLight flyweightJunior flyweight
105 lb (47.6 kg; 7 st 7.0 lb)MinimumweightStrawweightMini flyweightMini flyweight
102 lb (46.3 kg; 7 st 4.0 lb)Light minimumweightAtomweightAtomweightAtomweight


If you’re a fan of boxing, you’ve probably heard of the AIBA. But what is the AIBA? International Boxing Association, formerly known as The Association Internationale de Boxe Amateur, or AIBA, is the international governing body for amateur boxing.

It was founded in 1946 and has since grown to include over 200 member federations from around the world. The AIBA oversees all aspects of amateur boxing, including setting rules and regulations, organizing competitions, and sanctioning events. In the AIBA, there are 13 amateur boxing weight classes for men, 12 for women, and 13 for juniors.

Class nameWeightsWeightsWeights
Super heavyweight92 kg – Unlimited (202.8 lbs)
Heavyweight86 – 92 kg (189.6 – 202.8 lbs)81 kg – Unlimited (178.6 lbs)80 kg – Unlimited (178.5 lbs)
Cruiserweight80 – 86 kg (176.4 – 189.6 lbs)
Light heavyweight75 – 80 kg (165.3 – 176.4 lbs)75 – 81 kg (165.3 – 178.6 lbs)75 – 80 kg (165.3 – 176.4 lbs)
Middleweight71 – 75 kg (156.5 – 165.3 lbs)70 – 75 kg (154.3 – 165.3 lbs)70 – 75 kg (154.3 – 165.3 lbs)
Light middleweight67 – 71 kg (147.7 – 156.5 lbs)66 – 70 kg (145.5 – 154.3 lbs)66 – 70 kg (145.5 – 154.3 lbs)
Welterweight63.5 – 67 kg (140.0 – 147.7 lbs)63 – 66 kg (138.9 – 145.5 lbs)63 – 66 kg (138.9 – 145.5 lbs)
Light welterweight60 – 63.5 kg (132.3 – 140.0 lbs)60 – 63 kg (132.3 – 138.9 lbs)60 – 63 kg (132.3 – 138.9 lbs)
Lightweight57 – 60 kg (125.7 – 132.3 lbs)57 – 60 kg (125.7 – 132.3 lbs)57 – 60 kg (125.7 – 132.3 lbs)
Featherweight54 – 57 kg (119.0 – 125.7 lbs)54 – 57 kg (119.0 – 125.7 lbs)54 – 57 kg (119.0 – 125.7 lbs)
Bantamweight51 – 54 kg (101.4 – 119.0 lbs)52 – 54 kg (114.6 – 119.0 lbs)52 – 54 kg (114.6 – 119.0 lbs)
Light bantamweight50 – 52 kg (110.2 – 114.6 lbs)
Flyweight48 – 51 kg (101.4 – 112.4 lbs)50 – 52 kg (110.2 – 114.6 lbs)48 – 50 kg (105.8 – 110.2 lbs)
Light flyweight48 – 50 kg (105.8 – 110.2 lbs)46 – 48 kg (101.4 – 105.8 lbs)
Minimumweight46 – 48 kg (101.4 – 105.8 lbs)45 – 48 kg (99.2 – 105.8 lbs)44 – 46 kg (97.0 – 101.4 lbs)

Olympic Boxing

Olympic boxing is a sporting event that has been around for centuries. The first recorded boxing match took place in ancient Greece in 688 BC. Boxing was then introduced to the Olympic Games in 688 BC.

The sport of Olympic boxing has changed significantly over the years. In the early days of the Olympics, boxing was a brutal sport with few rules. The objective was simply to knockout your opponent. There were no weight classes and no time limit.

Today, Olympic boxing is a much different sport. It is still a very physically demanding sport but there are now strict rules and regulations. Boxers must compete in one of 8 weight classes and fights are limited to three rounds of three minutes each.

Olympic boxing is a sport that requires a lot of skill, speed, and stamina. If you have what it takes to compete at this level, then you could potentially bring home a gold medal for your country.

Class nameWeightsWeights
Super heavyweight91 kg – Unlimited (200.6 lbs)
Heavyweight81 – 91 kg (178.6 – 200.6 lbs)
Light heavyweight75 – 80 kg (165.3 – 178.5 lbs)
Middleweight69 – 75 kg (152.1 – 165.3 lbs)69 – 75 kg (152.1 – 165.3 lbs)
Light middleweight
Welterweight63 – 69 kg (138.9 – 152.1 lbs)64 – 69 kg (141.0 – 152.1 lbs)
Light welterweight
Lightweight57 – 63 kg (125.7 – 138.9 lbs)57 – 60 kg (125.7 – 132.3 lbs)
Featherweight52 – 57 kg (114.6 – 125.7 lbs)54 – 57 kg (119.0 – 125.7 lbs)
Light bantamweight
Flyweight48 – 52 kg (101.4 – 114.6 lbs)48 – 51 kg (101.4 – 112.4 lbs)
Light flyweight

The benefits of knowing your weight class

When you’re a fighter, it’s important to know your weight class. Why? Because if you want to be successful in boxing, you need to be able to make the weight limit for your class.

If you don’t know your weight class, how can you ensure that you’re making weight? It’s simple: use our free easy-to-use boxing weight class calculator.

There are many benefits to using a boxing weight class calculator. First, it takes the guesswork out of trying to figure out what weight class you fit into. Second, it can help you plan your training and diet around making weight for your fights.

Third, and perhaps most importantly, it can help keep you safe. If you’re not sure what boxing weight division you should be fighting in, you could end up fighting someone who is exceedingly bigger and stronger than you.

The dangers of not knowing your weight class

When it comes to boxing, weight class is critical. Not knowing your weight class can put you at a serious disadvantage in the ring. Here are just a few of the dangers of not knowing your weight class:

You could end up fighting an opponent who is much larger than you. This could lead to serious injury. You could also end up fighting an opponent who is much smaller than you. This could lead to an easy victory, but it could also be frustrating and unsatisfying.

Not knowing your weight class can also make it difficult to find opponents willing to fight you. This can make it hard to get the experience you need to improve as a boxer.

When should I move up or down in weight?

When you first start boxing, you may be not quite sure what weight class you should be in. You might even find yourself moving up and down in weight as you gain or lose weight.

If you’re trying to lose weight significantly, you should move down in weight. This will make it easier to hit the required weight for your new weight class. It’s also important to make sure that you’re still strong enough to compete in your new boxing weight division.

If you’re trying to gain weight, you should move up in weight. This will help you add muscle mass and become stronger. However, it’s important to make sure that you don’t put on excessive weight for your physical characteristics, as this can make it more difficult to box effectively.

And if you’re struggling to make weight on a consistent basis, even when you’re training effectively and consuming adequate amounts of protein, carbohydrates and fat to help you reach your weight. Then you should consider moving up or down to the weight class that body is comfortable at so that you’ll be prepared at the weigh ins.

There are also a few factors to consider when making the decision to move up or down in weight, including age, height, reach, and natural bodyweight.

Age: As a general rule, younger boxers can get away with moving up or down in weight more easily than older boxers. The reason for this is that younger boxers’ bodies are still developing and they have more energy and stamina.

Height: If you’re tall for your weight class, you may want to consider moving up to the next weight class. This is because you’ll likely have a reach advantage over your opponents.

Reach: If you have a long reach for your weight class, you may want to consider moving up to the next boxing weight division.

How do boxers cut or gain weight for fights?

When it comes to a weight cut for fat loss or building lean muscle mass to gain weight, there are a multitude of methods and exercises to help you through this process. Below are a couple of them, that you can use to help reach your weight goal.


When it comes to weight and boxing, there are three different scenarios that a fighter can be in: trying to lose weight, gain weight, or maintain weight. Each scenario requires a different approach when it comes to nutrition.

For fighters trying to lose weight, they need to be in a calorie deficit in order to lose body fat. This means eating less calories than they are burning off in a day. A good way to do this is by calculating how many calories they need to maintain their current weight, and then subtracting 500-1000 from that number. This will help them create a calorie deficit, without affecting their performance in the ring too much.

Fighters who are trying to gain weight need to be in a calorie surplus. This means eating more calories than they are burning off in a day. Nutrition is the most important thing for a fighter to take seriously. It’s not something that you can just put off until later. If you don’t eat properly then your body won’t be able to perform at its full potential in the ring.

If you want to find out the amount of calories you need to lose, maintain or gain weight then you can use our free calorie calculator.


Water is essential for our bodies to function. It helps to regulate our body temperature, lubricate our joints, and flush out toxins. When it comes to weight loss, water can help to increase our metabolism and reduce our appetite.

For those looking to gain weight, water can be a helpful tool as well. It can help to add volume to meals and make us feel fuller longer. Drinking plenty of water can also help to prevent dehydration, which can lead to weight gain.

For boxing, it is important to maintain a healthy weight. Water can help with this by keeping the body hydrated and preventing weight fluctuations. Drinking plenty of water throughout the day will ensure that you are at your optimal weight come fight night.

When trying to make weight for a boxing match, fighters will often resort to drastic measures to lose water weight. This can include things like saunas, sweat suits, and even fasting. While these methods may help them make weight for the fight, they can also be extremely dangerous.

Water weight is the amount of water that is stored in the body. It can be stored in different places, such as in the muscles, under the skin, or in the gut. When trying to lose water weight, fighters will often try to lose as much water as possible from these storage areas. This can lead to dehydration, which can be extremely dangerous.

There are safer ways for fighters to lose water weight. These include things like drinking plenty of fluids and avoiding diuretics. How water helps your boy lose weight is by making the body think that it is full. This can lead to a feeling of fullness and reduce appetite, which ultimately helps you lose weight. In fact, drinking plenty of water has been shown to help people lose weight and keep it off for long periods of time.


Doing a cardio workout is an effective way to lose weight. When you do exercises like running, swimming, or biking for at least 30 minutes a day then you’ll increase your body’s metabolism to burn more calories. You should also try to do a HIIT workout (High-Intensity Interval Training) a few times a week. These are short, intense workouts that will really get your heart rate up.

To gain weight, you need to focus on building muscle mass. This can be done by lifting weights and doing other strength-training exercises. It’s also important to eat a healthy diet that includes plenty of protein.