| RULES |
FIBA |
NBA |
NCAA |
HIGH SCHOOL |
| Size of Court |
91'10" x
49'2.5" |
94' x
50' |
94' x
50' |
84' x
50' |
| 3-Point Field Goal Line |
20'
6.1" |
23' 9" (22'
in corners) |
19'
9" |
19'
9" |
| Restricted Area (Key) |
19'8.2" x 19'
0.3" Trapezoid |
19' x 16'
Rectangle |
19' x 12'
Rectangle |
19' x 12'
Rectangle |
| Timing * |
4-10 minute
quarters |
4-12 minute periods |
2-20 minute
halves |
4-8 minute
quarters |
| Time between 1st/2nd & 3rd/4th
periods |
2
minutes |
2:10 |
N/A |
1
minute |
| Number of timeouts allowed-game |
1 from
1st-3rd quarter, 2 in 4th |
7 |
4 full (if TV
2 full) |
3 per
game |
| Number of timeouts
allowed-overtime |
1 |
3 |
1 |
carry over -
if 0 you get 1 |
| Number of timeouts allowed-4th
period |
2 |
4 |
N/A |
No special
provision |
| Number of timeouts allowed-last 2
minutes |
No special
provision |
3 |
N/A |
No special
provision |
| Timeouts must be called by |
Coach |
Player in
game |
Player in
game or coach |
Player in
game or coach |
| Timeout duration |
1:00 |
1:40 |
1:15 |
1:00 |
| 20-second timeouts |
No special
provision |
1 per
half |
2 (if TV 3
per game) |
2 per
game |
| Clock stops last minute of 1st, 2nd, 3rd periods after
successful FG |
No special
provision |
Yes |
N/A |
No |
| Clock stops last 2 minutes of 4th period (2nd Half)and
overtime |
Yes |
Yes |
Yes |
No |
| Shot clock |
24
seconds |
24
seconds |
35
seconds |
N/A |
| Shot clock reset |
Ball hits the
rim |
Ball hits the
rim |
Ball hits the
rim |
N/A |
| Length of halftime |
15
minutes |
15
minutes |
15
minutes |
10/15
minutes |
| Personal fouls allowed per game |
5 |
6 |
5 |
5 |
| Shoot penalty free throw (regulation)
** |
4th team foul
in quarter |
5th team foul
or 2nd in last 2 min |
7th team foul
in half |
7th team foul
in half |
| Shoot penalty free throw
(overtime) |
Continuation
of 4th quarter |
3rd team foul
or 2nd in last 2 min |
Carried over
from regulation |
Carried over
from regulation |
| Number of FT shot on technical foul
(bench) |
2 |
1 |
2 |
2 |
| Number of technicals for ejection |
3 |
2 |
2 |
2 |
| Ball awarded to after technical foul
called |
Team of the
FT shooter |
Team in
control when called |
Team
offended |
Team
offended |
| Number of FT awarded on 3-point FG
attempt |
3 |
3 |
3 |
3 |
| Seconds to shoot FT |
5 |
10 |
10 |
10 |
| Restrictions on defense |
None |
Illegal
defense guidelines |
None |
None |
| Closely guarded for 5
seconds-violation |
Yes |
Yes (only
when in the post) |
Yes |
Yes |
| Substitution between multiple free throw
attempts |
No |
Yes |
Yes |
Yes |
| Time allowed to replace ejected or disqualified
player |
30
seconds |
1
minute |
1
minute |
30
seconds |
| Interference w/ ball above the rim ceases when ball hits
the rim |
Yes |
No |
No |
No
|
| The "alley-oop" play is legal |
Yes |
Yes |
Yes |
Yes |
| Coaches Box |
16.405' from
centerline |
28' from
endline |
28' from
endline |
28' from
endline |
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