Golf umbrellas typically come in larger sizes compared to standard umbrellas, and their sizes are usually measured in terms of canopy diameter. The most common size for a golf umbrella is approximately 60 inches (152 centimeters), but they can range in size from about 58 inches to 68 inches or more. Here are some common sizes for golf umbrellas:

1.60 Inches (152 Centimeters): This is the standard size for many golf umbrellas. It provides a generous amount of coverage and is suitable for most users.
2.62 Inches (157 Centimeters): Some golf umbrellas are slightly larger, offering even more coverage and protection from rain and sun.
3.64 Inches (163 Centimeters): Golf umbrellas in this size range are considered extra-large and are often preferred by individuals who want maximum coverage.
4.68 Inches (173 Centimeters) and Beyond: Some golf umbrellas can be even larger, exceeding 68 inches in diameter. These are among the largest available and are ideal for those who desire the utmost protection from the elements.

The size you choose depends on your personal preference, the level of coverage you require, and the intended use. A larger golf umbrella provides more coverage but can be heavier and less convenient to carry when not in use. Smaller golf umbrellas are more manageable to transport but may offer slightly less coverage.

When selecting a golf umbrella, consider the size that suits your needs and activities. Additionally, pay attention to other features such as the umbrella's construction, durability, wind resistance, and UV protection, as these factors can also significantly impact its overall performance and suitability for your purposes.