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NBA Rules · 12-Min Quarters · 24s / 14s Shot Clock

NBA Basketball Scoreboard

A free digital scoreboard tuned for full 48-minute pro games. Run 12-minute quarters, a 24-second shot clock with 14-second reset, and pro foul and timeout tracking from any phone, tablet, laptop or TV.

12-Min Quarters 24s / 14s Shot Clock 5-Foul Penalty Arena Horn Buzzer

No app-store download · No account · Cast to any TV via HDMI, AirPlay, or Chromecast

Full 48-Minute Format

One-tap 12:00 quarters and 5:00 overtime presets with minute/second fine-tuning, tenths display in the final minute, and an automatic horn at zero.

Pro Penalty Tracking

Team fouls counted per quarter with the penalty badge lighting automatically at the 5th team foul — foul-out awareness at 6 personal fouls, just like the league.

Broadcast-Style Display

Fullscreen LED-style board for watch parties and streams. Add it as a browser overlay in OBS / Streamlabs or point a camera at the TV for a clean score bug.

Running an NBA-format game on HooperScore

Pro-format games are long, so set everything before tip-off and let the board do the bookkeeping:

  • Set 12:00 quarters. Pick the 12-minute preset, confirm the period reads 1, and agree overtime is 5:00. Use Switch Sides at halftime instead of retyping team names.
  • Arm the 24s / 14s shot clock. Full 24s reset on any change of possession (R), 14s reset when the offense keeps it after an offensive rebound (Q). The clock pulses red under 5 seconds.
  • Count team fouls per quarter. Tap + on every personal foul. The penalty badge lights at the 5th team foul — from there every non-shooting defensive foul means two free throws.
  • Manage 7 timeouts. Tap a timeout dot off on each coach's call and announce the count out loud in the fourth quarter so nobody is surprised.

Pro feel without pro hardware

Arena scoreboard systems cost tens of thousands of dollars. Even a basic portable tabletop board runs $250–$600 plus remotes and batteries.

HooperScore gives adult leagues, tournament organizers, and watch-party hosts the same essentials — 12-minute clock, 24/14-second shot clock, penalty tracking, timeout dots, possession arrow, and an arena horn — free on devices you already own. Cast it to the biggest screen in the room and your run looks like opening night. Prefer a different format? Try the WNBA 10-minute board, the NCAA college board, or the standalone 24s shot clock with buzzer.

NBA Basketball Scoreboard FAQ

How long are NBA quarters?+

NBA games are played in four 12-minute quarters (48 minutes total regulation). If the score is tied, teams play 5-minute overtime periods until there is a winner. HooperScore has one-tap 12:00 and 5:00 OT presets so you never type the clock by hand.

When does the bonus start in the NBA?+

An NBA team enters the penalty on its 5th team foul in a quarter, and every subsequent non-shooting defensive foul earns the opponent two free throws. Players foul out on their 6th personal foul. HooperScore lights the Bonus badge automatically at the 5th team foul each quarter.

When does the shot clock reset to 14 seconds in the NBA?+

In the NBA the shot clock resets to 14 seconds when the offensive team keeps the ball after an offensive rebound or certain frontcourt violations such as a kicked ball. Any other change of possession resets it to the full 24 seconds. Press Q on HooperScore for the instant 14s reset, R for a full 24s reset.

How many timeouts does each NBA team get?+

Each NBA team gets 7 timeouts per regulation game, with mandatory timeouts charged in each quarter. Overtime adds extra timeouts. HooperScore tracks timeout dots with pro caps so you always know what each coach has left in a close fourth quarter.

Can I use HooperScore for NBA-style pickup and watch-party games?+

Yes. Set 12:00 quarters, arm the 24s shot clock, cast to a TV in fullscreen, and run your run exactly like a pro broadcast — scores, fouls, timeouts, possession and horn included. No signup, no download, free in any browser.