Golf Hole Size: Diameter & Depth (In inches, cm & mm)

Golf is a popular sport that has been played since the 15th century. The game of golf involves hitting a small ball with special clubs into a series of small holes dug in the ground. As golf evolved, so did the size and shape of the holes. In this article, we will discuss what the size of a golf hole is.

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What Is The Diameter Of A Golf Hole?

The diameter of a golf hole is 4.25 inches. The diameter was then adopted by the United States Golf Association (USGA), which is responsible for setting international standards for golf in the United States.


The History Golf Hole Size

Size of golf holes
The History Golf Hole Size

The size of a golf hole has changed significantly throughout history. The modern-day standard is 4.25 inches in diameter and is set by the Royal & Ancient Golf Club of St. Andrews (R&A). Prior to 1891, most courses utilized varying hole sizes, with some as small as 1.5 inches and others reaching up to 6 inches.

In 1891, the R&A standard was set at 4.25 inches, and this size remained until today. This change allows for more accuracy in putting by ensuring that golf balls are less likely to slip into a hole if they come close enough. The smaller hole size also makes it more difficult to make a long putt, as there are fewer chances for the ball to go in.

All major golf organizations now recognize the 4.25-inch hole and it has become an integral part of the game. As technology continues to improve, it will be interesting to see if any future changes are made to the standard hole size. However, golfers can now count on a consistent and fair game thanks to the R&A’s 4.25-inch regulation.


Why Is The Hole 4.25 Inches In Size?

The Royal Musselburgh Golf Club in Scotland proudly displays the first known hole-cutter, created in 1829. Although the reason for the 4.25-inch size remains unclear, it is believed to have been based on an available drainage pipe at the club. 

Regardless of its origins, this size became the standard that golfers grew accustomed to, leading the R&A to make it official. Even the USGA, upon its formation, adopted this size as the official golf hole. 

Today, this hole size remains unchanged and continues to be a defining feature of the game.


What Is The Golf Hole Size In Cm And Mm?

size of golf hole cup
10.8 cm (108 mm) in diameter, at least 10.2 cm (102 mm) in deep

The size of a standard golf hole is 10.8 cm in diameter, with a depth of at least 10.2 cm. This translates to approximately 108 mm in diameter and 102 mm deep. The depth of the hole has remained unchanged since its adoption by the R&A in 1891, though the cup itself may be slightly deeper due to wear and tear over time.


How Deep Are The Golf Holes?

According to the official rules in golf, the standard size that all golf holes must go down is at least 4 inches. It’s interesting to note that while the depth can vary depending on who cut out the hole, the minimum requirement remains consistent.


Is There A Hole Larger Than The Specified Size?

Golf Hole Size
Is There A Hole Larger Than The Specified Size?

For over a century, the size of the golf hole has remained standardized at 4.25 inches, a decision made by the R&A back in 1891. 

However, there have been occasional discussions and experiments around enlarging the hole, particularly for recreational golfers seeking to make more putts and increase their enjoyment of the game. 

The legendary Jack Nicklaus has even cut 8-inch holes at his Muirfield Village Golf Club for special events, while TaylorMade sponsored an exhibition in 2014 with 15-inch holes and professional golfers such as Sergio Garcia. 

While the R&A’s decision still stands, the idea of experimenting with larger hole sizes is likely to persist, as golfers strive to find new ways to bring excitement and enjoyment to the sport.


Are All Golf Holes The Same Size?

All golf holes are not the same size. While the diameter of 4.25 inches is generally accepted as the standard for professional and amateur competitions, many recreational courses may feature larger hole sizes due to their more relaxed nature. Additionally, some miniature golf courses may have smaller hole sizes to make them easier for children or beginners to play. 

The one thing all golf holes do have in common, however, is that they must be at least 4 inches deep. No matter what size the hole may be, it must meet this minimum standard in order to abide by the rules of golf.

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The size of the golf hole has been standardized since 1891 when the Royal and Ancient Golf Club of St Andrews (R&A) declared a 4.25-inch diameter to be the official size for all golf holes. This decision has remained unchanged over time and is now an essential feature of the game worldwide. Modern golf courses may feature holes of varying sizes depending on their purpose and who constructed them, though all must still abide by the 4-inch minimum depth requirement in order to meet the rules of golf. Ultimately, whether it’s a standard golf hole or something larger for recreational purposes, the 4.25-inch diameter size will remain a defining feature of the game.


  • Alvin Daniel

    Hello everyone, I'm Alvin Daniel. I was born in the Philippines and came to the United States when I was 16 years old. I started playing golf at that age and have loved it ever since. I turned professional when I was 21 and have been working as a golf instructor and guide ever since. My goal is to help everyone know more about this great game of golf. And, hopefully, through my instruction, they can improve their skills and enjoy the game even more.

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