The size of a golf hole is 4.25 inches, and it must be cut in a circular shape. That's been long done at golf courses by a standardized tool that digs into the ground to cut the 4-and-a-quarter ...

How the effective hole size shrinks If you’re someone who likes to “take the break out of the putt” and hit the ball with plenty of speed, I’ve got bad news for you: when you do this, you ...