How Much Does A Basketball Weigh?

how much does a basketball weigh

Basketball has always been one of the most high-voltage sports. It has billions of fans around the world. From the sport’s invention in 1891, the rules and other aspects saw many changes. The basketball itself had many different variations. That’s why people find it hard to figure out the proper measurements for a typical basketball.

The initial basketball had a structure and weight similar to football. However, as time passed, manufacturers changed the core material to laced leather and grain leather. After that, genuine leather took the helm, and from that point, it is the standard for any basketball production.

So, you must be thinking about how much does a basketball weigh as we have a standard for basketball production. In this post, you will find all of your answers and more. Stay tuned and continue reading more about the world of basketball.

The Significance of Basketball Size and Weight

How Much Does a Basketball Weigh in Grams

Before any fixed guidelines or regulations, all the basketballs did not have the same size and weight. The initial balls were only 16 ounces or 1 pound in weight, whereas the current ones weigh around 22 ounces or 1.4 pounds. Because of this discrepancy, players could not find any stable form in their game.

They often found it tough to cope with different materials of basketballs. Just imagine James LeBron and Stephen Curry playing with balls that have different weights. They could never make those otherworldly dunks or three-pointers. Also, there are differences in prices for specific sizes and weights.

If we were to talk specifically about weight, we have to mention the impact of proper inflation. A basketball needs perfect inflation in its composite leather build, or else the ball will feel either heavy or light. When you inflate it poorly, the ball does not bounce too high and rugged the dribble.

On the other hand, severe inflation can make the ball feel too tight and increases the risk of injuring or jamming your fingers. So, for your safety and performance, a perfectly inflated ball with the correct size is a must.

Now that you know the importance of basketball weight let’s dive deeper into the burning questions.

The Standard Size and Weight for a Basketball

How Much Does a Basketball Weigh in-lbs

Although there are many sizes for a basketball, depending on the age, the standard usually indicates the NBA basketball. So, if we are talking about the weight of a professional NBA league basketball, it weighs around 1.4 pounds or roughly 623 grams (0.623 kg).

The circumference is 29.5 inches. Another vital factor to consider is the air pressure. The standard air pressure is maintained around 7.5 to 8.5 psi.

How much Does an NBA basketball Weigh?

NBA is the most successful and competitive basketball platform that every player dreams of playing. While there are many other associations with different designs, NBA remains the standard.

According to NBA standards and measurements, the right weight for Men’s basketball is 22 ounces or 624 grams. On the other hand, the circumference has a height of 29.5 inches. So, you get a sound idea of how much an NBA basketball weighs.

However, WNBA lowers the bar for both weight and circumference because of womens’ physicality. The maximum weight for WNBA basketball is 18 ounces or 510 grams, while the entire circumference is about 28.5 inches.

How Much Does a Basketball Weigh in Grams?

How Much Does a Youth Basketball Weigh

If you are not familiar with ounces and pounds, don’t worry. The metric system uses gram as the unit of weight measurement, and here you will find all the data in gram format for your convenience.

For youth balls, the weight of a basketball of size 4 is around 397 grams. As we mentioned before, it is pretty light if you compare it with the other sizes.

As for the size 5, the weight increases significantly and becomes 481 grams. It is not so tough to understand because this size is for children aged ten and more. That’s why the size and weight increase to match the build of the players.

Now, some different leagues and associations partner with varying companies of manufacturing for their events. NBA is the standard basketball for any basketball player as it is the most competitive stage. They use a size seven ball that weighs around 623 grams.

However, WNBA or Women NBA has a slightly different measurement. They use a six-size ball that weighs 510 grams, and the circumference also differs for having a 2-3 inch less width. These measurements also change if there is more air inflation pressure in the ball.

NCCA does not use balls from Spalding but Wilson. That’s why their men’s basketball weighs the same as NBA but has a different circumference of 30 inches. For women’s basketball, the weight is around 566 grams and has a circumference of 29 inches.

The International Basketball Federation (FIBA) also has different metrics for its basketball sizes. The basketball company Molten manufactures basketballs for FIBA.

While these all have the same weight of 566 grams, they feel slightly different in hand because of the manufacturing process. Men’s basketball has a 30.5 inches circumference, whereas the women’s one measures 29 inches.

How Much Does a Basketball Weigh in-lbs.?

How Much Does a Youth Basketball Weigh

Pounds is the standard unit for America to measure weight. Anyone finds it tough to calculate the measurements in other metrics. That’s why this section will focus on only featuring all the data in pounds.

The NBA professional players use Spalding basketballs that have a maximum weight of 22 ounces or 1.4 pounds. This size 7 is the highest one on the standard scale.

The WNBA uses a similar basketball, but the size and weight become smaller. The women play with size six that weighs around 18 ounces or 1.12 pounds.

The next size in line is number 5. These basketballs are mainly used in junior level for the age group of 9-11 years. The weight of a size five basketball is around 17 ounces or 1.06 pounds.

They use these balls to practice and compete in official events or competitions. The size 4 is perfect for children who are just growing to love this sport. These balls weigh around 14 ounces or 0.875 pounds.

How Much Does a Youth Basketball Weigh?

How Much Does a Women's Basketball Weigh

Youth basketball game or junior league basketball is the professional league for the up and coming stars. However, they don’t use traditional basketball. Instead, they use a smaller college ball. Also, sometimes they use youth balls that weigh less than professional NBA basketballs.

Generally, youth basketballs are categorized as size 5 in terms of standard measurements. It weighs around 20 ounces or 1.25 pounds which is lighter than NBA basketballs. The circumference measures around 27.5 inches. Any young player below the age of 10 use this type of ball for their daily practices and games.

Anyone aged eight or below is permissible to use a size four basketball. This type of ball has a circumference of 25.5 inches which is significantly less than standard NBA balls.

In terms of weight, the average weight of size 4 is around 14 ounces. There’s also a size three or mini basketball with a circumference of 22 inches and weighs 10 ounces.

How Much Does a Women's Basketball Weigh?

how much does a basketball weigh

Men and Women have different appearances and physicalities. That’s why the regulations regarding basketball measurement differ. Women have their separate league, WNBA, where they showcase their extreme excellence.

There are mainly two standards of league basketball sizes. The first one has a bigger diameter of 29 inches and a total weight of 567 grams or 20 ounces. This basketball is the standard size 6.

The other one has a smaller diameter than 28 inches, and the weight is also lighter at 510 grams or 18 ounces. Depending on the condition, match requirements, inflation, air pressure, and other factors, the balls are selected for an official match.

A for international formats, the specifications follow the FIBA regulations. The Molten manufactured basketballs, while having some common materials compared to Spalding, differ slightly in size and weight.

These basketballs have a High-quality synthetic leather construction. They grade their basketball by GL tag. A GL6 basketball has a circumference of 29 inches and weighs 20 pounds. Know how to spin a basketball on your finger.

What is the Inflated Weight of a Basketball?

Generally, an ideal basketball comes without any proper inflation. If you are playing in your outdoor basketball courts, chances are you won’t bother too much about it.

But the same thing is not applicable for professional players who play daily. Without having adequate knowledge of standard inflated weight, you will end up underinflating or overinflating your basketball.

The standard inflated basketball must weigh 22 pounds. However, the error margin for inflation is around 0.01-0.03 pounds. So, it’s lovely if you remain in this range.

The range is applicable for both men and women basketball. For college ball or a junior ball, the content can be adjusted slightly.

How is the Air Measured in a Basketball?

How Much Does a Basketball Weigh in Grams

Air is what resides inside every basketball. Perfect air pressure inside a basketball can drastically improve your game sense. However, to maintain good pressure, you need to know how you should measure the air pressure. Here, you will know you to keep an excellent air density inside the basketball.

The standard pressure unit for basketball is psi or pounds per square inch. A basketball should have 7.5 to 8.5 psi pressure inside. The usual recommendation to measure the air pressure is to use a pressure gauge. A pressure gauge is a standard tool to measure fluid or gas intensity.

It can quantify the total pressure locked inside a closed space. While calculating the air pressure, gently insert the gauge via the ball’s needle opening. The screen or dial will automatically tell you the psi inside the ball.


Basketball is a sport for anyone, but that does not mean anyone can excel at it. If you are a basketball enthusiast, your curiosity will make you more profound with basketball. Whether it’s basketball design, weight, or gears, anything will make you fall in love with the sport itself.

In this post, we tried our best to deliver the most reliable and accurate answers to your questions about basketball weight in different formats and leagues, as well as its importance. When you are young and starting, use a size four ball to learn the basics.

After that, play with size 5 and 6 basketball before you climb your way through the top. Always remember that these variations in dimensions and weight are there to develop your body. So, when you are ready to play on the professional stage, you will not feel uncomfortable or hesitant.

Lastly, one should never forget to check the air pressure of the ball. Because it directly affects the performance. So, now that you know all about a basketball play without thinking twice about its size and weight!

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