The diameter of an MLB pitcher's mound is 18 feet.
No
Pitchers mound
to legally play only one person can be on the pitchers mound while the game is in play
There are certain things a pitcher may not do while within this circle. Fore example, when the umpire puts a new ball in play, some pitchers will spit on their hands and rub the ball up. Done outside this circle, it is legal; done inside this circle, it is illegal.
YES
Measure from the front edge of the pitching rubber to the back tip of home plate.
second
60'6"
Yes.
More than likely a pitcher's mound is removed by smoothing the dirt out with a bulldozer.
The mound allows pitchers a much better chance of pitching within the strike zone.
6" high.