Adult Soccer Field Dimensions:
The overall dimensions of a regulation soccer field is 100 yards long and 60 yards wide.
The middle of the field is divided lengthwise by the midfield line.
In the center of the field a 10 yard circle marks the area where defenders must stay outside of at the start of a kickoff
A rectangular box (sometimes called the "penalty box") centered on the goal marks the penalty area. This box is 44 yards wide by 18 yards deep. It includes an arc 10 yards from the "penalty mark". Fouls comitted in this area may result in a penalty kick.
The penalty mark inside the "penalty area" 12 yards from the end line. The penalty mark is where "penalty kicks" are placed.
The goal area is a smaler rectangle inside the "penalty area", centered on the goal. The measurements of this box are 20 yards wide by 6 yards deep. This box marks the area from which a goal kick must be placed.
A one yard quarter circle is marked on each corner of the field to mark where a player must place the ball prior to a corner kick.
The adult soccer goal is 24 feet wide by 8 feet high.