How Wide Is the Six Yard Box?

The goal area is a box box are 20 yards wide by 6 yards deep inside the 'penalty area', also centered on the goal.

What is the 6 yard box for?

If anyone in the attacking team is fouled in the area, they are awarded a penalty which is taken from a spot that is 12 yards from the goal line. There's another, smaller, rectangle too: the six yard box, whose main function is to limit where the goalkeeper can place the ball when taking a goal kick.

How wide is the keepers box?

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.