Specifications Baseball field

unless otherwise noted, specifications discussed in section refer described within official baseball rules, under major league baseball played.


diagram of baseball field.

the starting point of action on field home plate, five-sided slab of whitened rubber, 17 inches (43.2 cm) square 2 of corners removed 1 edge 17 inches (43.2 cm) long, 2 adjacent sides 8.5 inches (21.6 cm) , remaining 2 sides 12 inches (30.5 cm) , set @ angle make point. adjacent each of 2 parallel 8.5-inch (21.6 cm) sides batter s box. point of home plate 2 12-inch (30.5 cm) sides meet @ right angles @ 1 corner of ninety-foot (27.5 m) square. other 3 corners of square, in counterclockwise order home plate, called first base, second base, , third base. 3 canvas bags fifteen inches (38 cm) square mark 3 bases. these 3 bags along home plate form 4 points @ corners of infield.

all bases, including home plate, lie entirely within fair territory. thus, batted ball touches bases must in fair territory. while first , third base bags placed lie inside 90-foot (27.5 m) square formed bases, second base bag placed center (unlike first, third , home) coincides point of ninety-foot (27.5 m) infield square. thus, although points of bases 90 feet (27.5 m) apart, physical distance between each successive pair of base markers closer 88 feet (26.8 m).

the lines home plate first , third bases extend nearest fence, stand or other obstruction , called foul lines. portion of playing field between (and including) foul lines fair territory; rest foul territory. area in vicinity of square formed bases called infield; fair territory outside infield known outfield. baseball fields enclosed fence marks outer edge of outfield. fence set @ distance ranging 300 420 feet (91 128 m) home plate. professional , college baseball fields have right , left foul pole. these poles @ intersection of foul lines , respective ends of outfield fence and, unless otherwise specified within ground rules, lie in fair territory. thus, batted ball passes on outfield wall in flight , touches foul pole fair ball , batter awarded home run.