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Baseball Field Dimensions

How big is a baseball field? What are the dimensions of the infield, outfield, mound, and bases? Get ready to learn the measurements and layout of the baseball diamond.

Baseball Dimensions

The dimensions of a baseball field will vary slightly based on the level of play. The dimensions will also depend on the ballpark or stadium, since not every component of the field is defined by a specific measurement. When discussing the layout and size of a baseball field, we will examine the following:

baseball field dimensions

MLB Dimensions

The following are some dimensions you should know about an MLB field:

  • The diamond measures 90ft on all sides
  • Home plate to centerfield is 400 ft or more
  • Home plate to the nearest fence is 325 ft or more
  • The foul lines have a length of 320 ft or more
  • The rubber on the pitcher's mound measures 24in x 6in and is a distance of 60ft 6in to home plate.
  • The bases are securely fastened to the ground and measure 15in on all sides
  • Each base is 90 ft apart from adjacent bases
  • Opposite bases like first base and third base are 127 feet 3.375 inches apart

Since June 1, 1958 every field made for a professional club needs to meet a minimum distance of 325 ft from home plate to the nearest fence and 400ft to the center field fence. However, there's an exception with Yankee Stadium being 314 ft to the outfield fence.

Little League Dimensions

In Little League baseball, the field is often smaller than a professional MLB field. Little league is youth baseball league for lots of different age brackets - anywhere from ages 4-7 up to 13-16 .

  • The distance between the bases is 70 ft
  • Distance from home plate to the ballpark fence is anywhere from 200-275 ft
  • The pitcher's mound to home plate is roughly 50 ft

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