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High
School Basketball Court Layout
Diagram
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Basketball
court dimensions vary in overall
length and width. In many areas of the
country, older high school gymnasiums
in particular have smaller overall size
and layout than regulation. Many of these
same gyms have varying backboard designs
and dimensions.
Even though College and
High School courts
may differ on overall size, the interior
markings for the “Foul Line”, “The
Key”, “The Backboard and
Rim” are the same. College
and High School Courts share the same 3
point line measurements.
Regulation Sizes
- Official Measurements:
Court Size Overall:
- College – 94
feet long and 50 feet wide
- High School – 84
feet long and 50 feet wide
- Junior High – 74
feet long and 42 feet wide
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Click Here to See Our NBA Basketball Court
Dimensions Diagram |
The Foul Line:
For all courts the “foul line” distance
is 15 feet from the foul line to the front of
the backboard
The Key:
Standard for all basketball courts, “the
key” (sometimes called “the lane”)
is 12 feet wide. Regulation courts have the backboard
extending out 4 feet over the baseline into the
key. A 6 foot arc (half circle) extends from
the foul line away from the basket to complete
the key.
The 3 Point Line (Arc):
College and High School – the
3 point arc is 19 feet 9 inches, with a straight
line extending out 5 feet 3 inches (63 inches)
from the baseline.
The Backboard and Rim:
The regulation distance from the ground
to the top of the rim is 10 feet for all levels
of play. Regulation backboards are 6 feet wide
(72 inches) by 42 inches tall. All basketball
rims (hoops) are 18 inches in diameter. The inner
square on the backboard is 24 inches wide by
18 inches tall.
All line markings on the floor
are 2 inches wide and can vary in color.
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