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What Is The Size Of A Golf Ball?

Let’s discuss the size of the golf ball and how to measure it properly. We’ll discuss the size of a golf ball in cm, the size of a golf ball in mm, and different other measurements associated with a dimpled sphere. What is the size of a golf ball in inches? We have you covered, folks. Learning your golf ball’s measurements is important as official tournaments have strict policies regarding golf ball size. Only the right size is allowed if you wish to compete against other players. Also, the size of a golf ball plays a crucial role in the game of golf, impacting everything from distance to accuracy. Whether you’re a golf enthusiast or just curious, read on to uncover the secrets behind the golf ball’s size.

So, what about the golf ball size?

History of Golf Ball Size Throughout Ages

At its inception, British golf balls set the standard. Handcrafted and composed largely of wood, these handcrafted balls were large in comparison with modern balls with diameters of approximately 1.62 inches; and made more brittle due to materials like leather and feathers used. In later days, however, technology improved significantly, leading to modern balls having less resilient resilience characteristics compared to their British predecessors. So, what about the size of a golf ball in cm and the size of a golf ball in mm? We have to move on to the next phase in the history of golf ball size to know the answer.

American Innovation Transforms Golf Ball Production

America revolutionized golf through American innovation when they created the “guttie” ball made out of gutta-percha rubber material; this allowed for greater durability and consistency within a golf ball’s composition and size. So, what is the size of a golf ball in inches? American golf balls were smaller in size, measuring 1.68 inches around their diameter, closer than ever before to what would become today’s standard size of 42.67 millimeters. This transformation marked an important point in the history of the game as it brought uniformity and consistency. Their smaller size enabled greater distance and accuracy resulting in profound effects on how golf was played at that time. Now, you can understand how the U.S. affected the size of a golf ball for generations to come.

Standardization and Modern Golf Balls

With golf’s worldwide growth came an increase in global regulation over golf balls. Therefore, organizations like USGA and R&A developed specific guidelines governing ball size and characteristics. Today’s modern golf ball measures 1.68 inches or 4.27 cm as a result. Now, we have the size of a golf ball in cm and the size of a golf ball in mm. Also, it remains standard practice during competitive play. Golf’s development from large British balls to smaller American ones and finally its modern standard size represents a critical chapter in its history, showing how innovation and the desire for consistency have helped shape what we know and love today as the game we know and enjoy. So, what is the size of a golf ball in inches? In the past, the limit was set at 1.62 inches; today, however, the USGA has made it clear that “the diameter of the ball must not be less than 1.680 inches (42.67 mm).”


In terms of size, early golf balls in Great Britain had larger dimensions, approximately 1.62 inches (4.11 cm). This larger dimension became one of their distinguishing traits. In contrast with its British counterpart, the American “guttie” golf ball had a smaller diameter (approximately 4.27 cm). This marked an important break with tradition. The size of the golf ball hasn’t stayed the same in the history of this elegant game.


British golf balls were historically constructed using various materials e.g., wood, leather, and feathers for construction. However, such choices made them less durable and predictable when it came to performance. The “guttie” ball represented an innovative step forward for golf ball production in America. Constructed using gutta-percha rubber-like material for greater durability and consistency, it resulted in more reliable golf balls for players to use on the course.

Are There Differences Between Two-Piece, Three-Piece, and Multi-Layer Golf Balls in Terms of Size?

Two-Piece Golf Balls


Let’s discuss the size of a golf ball made of two pieces. Two-piece golf balls conform to standard size regulations set out by golf, featuring an approximate diameter of 1.68 inches (4.27 centimeters).

Three-Piece Golf Balls


Similar to two-piece golf balls, three-piece balls usually remain within an industry standard size range of about 1.68 inches (4.27 centimeters). Now, you know what is the size of a golf ball in inches.

Multi-Layer Golf Balls


Like two and three-piece balls, multilayer balls typically adhere to an industry standard size of approximately 1.68 inches (4.27 centimeters). Therefore, we have in on the size of a golf for all the varieties.

Measuring The Golf Ball Size

Before diving deeper into golf ball circumference, let’s establish some standard measurements set forth by organizations like the United States Golf Association (USGA). According to these regulations, standard golf balls must possess a minimum of 5.27 inches (13.41 centimeters). This standard size ensures fair competition since all golfers utilize balls of equal dimensions during competition. Now, that’s the size of a golf ball in cm and the size of a golf ball in mm acceptable for the USGA.

Accurate measurement

Accuracy when measuring golf ball sizes is of utmost importance; manufacturers use special machinery and software to ensure each ball adheres to standardized dimensions. Diameter measurements are generally recorded with extreme precision (typically to within one-hundredth of an inch), so golfers can trust in the size of a golf ball.

Regulations and Standards

The USGA provides regulations about standard ball sizes. Per their regulations, all golf balls must have at least 1.68 inches in diameter (42 millimeters). This ensures fair play in the game as all golfers use balls of equal size thereby negating any unfair advantages over time. Now, you know what is the size of a golf ball for official tournaments.

Size Matters for Golfers

A golf ball’s size has an enormous effect on one’s playing. Selecting one that best matches your playing style and considering factors like size, compression rate, and dimple design is crucial to maximizing performance on the course. Golfers often experiment with various balls before discovering which works for them best. That’s why it’s crucial to learn the answer to “What is the size of a golf ball in inches, cm, and mm?”

How is Golf Ball Size Measured?

Measuring golf ball size requires precision. Manufacturers use special measuring equipment to ensure each ball conforms with standard dimensions, as even minor variances can have significant ramifications for performance and should be measured to within 100ths of a millimeter for consistency purposes. The diameter should also be carefully recorded so we know the size of a golf ball accurately.

Golf Ball Size and Performance

A golf ball’s size plays a decisive role in its performance on the course. Smaller golf balls tend to be more aerodynamic and cover longer distances. Size alone doesn’t determine performance though; compression levels, dimple design features, and construction materials all factor into how a golf ball performs during play. You have to know the size of a golf ball in cm for improved performance.

Interaction of Dimples and Size

Golf ball dimples and size make an intriguing duo in sports. While standardizing to 1.68 inches ensures fair competition, this standard size also plays an integral part in how dimples function. And their aerodynamic benefits within such a fixed size limit. Golf ball manufacturers take special considerations into account when crafting high-performance balls to find this balance of dimple pattern against size considerations. You have to know the size of a golf ball in mm for improved performance as well.

Variations in Golf Ball Size

While the standard size for a golf ball may be well-defined, certain instances allow for some deviation. For instance, specialty balls designed specifically for junior golfers might feature slightly altered dimensions. Some practice golf balls are 5 cm in diameter. So, this variation in the size of a golf ball depends on its purpose. However, for official golf tournaments, you have to bear in mind that a golf ball has a fixed size.

Golf ball-sized hailstorm


So, what’s the size of a golf ball in inches? We know that a standard golf ball’s size is approximately 1.68 inches (4.27 centimeters) in diameter. In millimeters, this translates to roughly 42.7 mm. Please note that this size applies to typical golf balls used in golfing sports. That’s the diameter of a golf ball acceptable as per USGA’s regulations. If you have the size of a golf ball below this limit then you have to get another dimpled sphere to compete.

FAQs – The Size of a Golf Ball

Which ball has the largest diameter of all?

The largest diameter of a golf ball is approximately 1.68 inches. A squash ball is smaller than a golf ball and a bulky basketball lies at the other end of the scale.

Do all golf balls have the same size in inches?

No, not all golf balls are the same size in inches. Standard golf balls today need to be at least 1.68 inches in diameter, but there can be slight variations in golf ball sizes.

What’s the diameter of an average golf ball?

The diameter of a standard golf ball is approximately 1.68 inches or 42.67 mm for participation in official tournaments. Also, it should weigh no more than 1.62 ounces or 45.93 grams

What is the size of a golf ball in centimeters?

Not all golf balls are the same size; there can be slight variations among different brands and types. However, they typically fall within a similar size range.

What if the earth were the size of a golf ball?

If the Earth were the size of a golf ball, it would be incredibly tiny, about 4.27 mm in diameter, and not capable of supporting life as we know it.

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