FIBA, NBA, And NCAA Basketball Rule Differences
RULE
FIBA
NBA
NCAA
Duration of Game . . . . . . . . . . . . . . .Four, 10 minute quarters . . . . . . . . . . .Four, 12 minute quarters . . . . . . . . . . .Two, 20 minute halves
Overtime Duration . . . . . . . . . . . . . .5 minutes . . . . . . . . . . . . . . . . . . . . . . .5 minutes . . . . . . . . . . . . . . . . . . . . . . .5 minutes
Duration Between First-Second . . .2 minutes . . . . . . . . . . . . . . . . . . . . . . .130 seconds . . . . . . . . . . . . . . . . . . . . .Not Applicable
and Third-Fourth Quarters
Length of Halftime . . . . . . . . . . . . . .15 minutes . . . . . . . . . . . . . . . . . . . . . .15 minutes . . . . . . . . . . . . . . . . . . . . . .15 minutes
Court Length . . . . . . . . . . . . . . . . . . .91' 10" x 49' 2.5" . . . . . . . . . . . . . . . . .94' x 50' . . . . . . . . . . . . . . . . . . . . . . . .94' x 50'
Size of Lane . . . . . . . . . . . . . . . . . . . .19 ' 8.2" x 19' 0.3" . . . . . . . . . . . . . . . .16' x 19' . . . . . . . . . . . . . . . . . . . . . . . .12' x 19'
Three-Point FG Distance . . . . . . . . .20' 6.1 " . . . . . . . . . . . . . . . . . . . . . . . .23' 9" (22' in corner) . . . . . . . . . . . . . .19' 9"
Shot Clock . . . . . . . . . . . . . . . . . . . . .24 seconds . . . . . . . . . . . . . . . . . . . . . .24 seconds . . . . . . . . . . . . . . . . . . . . . .35 seconds
Shot Clock Reset . . . . . . . . . . . . . . . .FG attempt hits rim . . . . . . . . . . . . . . .FG attempt hits rim . . . . . . . . . . . . . . .FG attempt hits rim
Back Court Violation . . . . . . . . . . . .8 seconds . . . . . . . . . . . . . . . . . . . . . . .8 seconds . . . . . . . . . . . . . . . . . . . . . . .10 seconds
Game Clock Stops After . . . . . . . . . .Last 2 minutes of 4th quarter . . . . . . .Last minute of 1st, 2nd, 3rd quarters, .Last minute of second half and
Successful FG
and overtime
Last 2 minutes of 4th quarter and OT last minute of overtime
Player Foul Limit . . . . . . . . . . . . . . .5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Bonus Free Throw . . . . . . . . . . . . . .On 5th foul per quarter (two FTs) . . . .On 5th foul per quarter . . . . . . . . . . . . .On 7th foul per half (one-and-one)
Fourth quarter carries into OT
(two FTs)
On 10th foul per half (two FTs)
Number of Players Permitted . . . . .5 (three defensive, two offensive) . . . .5 (three defensive, two offensive) . . . .6 (four defensive, two offensive)
On Free Throw Lane
Jump Ball . . . . . . . . . . . . . . . . . . . . . .Teams alternate possession . . . . . . . . .Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . .Teams alternate possession
after jump ball to start quarter
after opening tip-off
1 and 3, and overtime
Legal Alley-Oop . . . . . . . . . . . . . . . .Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . .Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . .Yes
Touch Ball On/Above Cylinder . . . .Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . .No . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No
Closely Guarded For 5 Seconds . . .Yes (while holding the ball) . . . . . . . .No . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Yes (while holding/dribbling ball)
Defensive 3 Seconds . . . . . . . . . . . . .No . . . . . . . . . . . . . . . . . . . . . . . . . . . .Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . .No
Number of Referees . . . . . . . . . . . . .Two (three can be used in . . . . . . . . .Three . . . . . . . . . . . . . . . . . . . . . . . . . . .Three
competitions if the Zone or
host federation wish to)
Timeouts . . . . . . . . . . . . . . . . . . . . . .Two 60-second in 1st and 2nd . . . . . .One 20-second per half, and six . . . . .Four 75-second and
Non-Televised Game
quarters, three 60-second in
120-second during regulation.
two 30-second per game.
the 3rd and 4th quarters.
Each team is limited to no more
than three in the 4th and two in the
last two minutes of regulation.
Timeouts . . . . . . . . . . . . . . . . . . . . . .Up to one additional TV timeout . . . .One 20-second per half, and six . . . . .Four additional TV timeouts are
Televised Game
is permissible per quarter. Teams
120-second during regulation.
permissible per half. Teams get
get two 60-second in the 1st and
Each team is limited to no more
one 60-second, four 30-second
max of 3 unused 30-second
than three in the 4th and two in the
and a max of 3 unused 30-second
2nd quarters, three 60-second in
last two minutes of regulation.
can carry over to second half.
the 3rd and 4th quarters.
Timeouts-Overtime . . . . . . . . . . . . . .1 additional 60-second . . . . . . . . . . . .Three 60-second, teams are allowed . .1 additional 75-second and any
no more than two in the final two
unused from regulation or prior
minutes.
OT carry over.
Timeouts Called By . . . . . . . . . . . . .Coach . . . . . . . . . . . . . . . . . . . . . . . . . .Head coach or player in game . . . . . . .Head coach or player in game
Size of Basketball . . . . . . . . . . . . . . .Maximum Circumference - 29” . . . . .Around channels - 29.5" to 29.75” . . .Maximum Circumference - 30”
Maximum Weight - 20 ounces
Across channels - 29 5/8”-29 7/8”
Minimum Circumference - 29.5”
MinimumWeight - 17.99 ounces
Maximum Weight - 20 ounces
Minimum Weight - 17.99 ounces
Legal Jersey Numbers . . . . . . . . . . .4, 5, 6, 7, 8, 9, 10, . . . . . . . . . . . . . . . .All Numbers . . . . . . . . . . . . . . . . . . . . .00, 0, 1, 2, 3, 4, 5, 10, 11, 12, 13,
11, 12, 13, 14, 15
14, 15, 20, 21, 22, 23, 24, 25, 30,
31, 32, 33, 34, 35, 40, 41, 42, 43,
44, 45, 50, 51, 52, 53, 54, 55