Free classroom timer

A big, clear countdown for the board. Pick a preset, press Start and go full screen – no sign-up and no adverts.

More classroom timers

🐢Fun timersAnimal race, sand timer, traffic light and candle.⏲️StopwatchCount up with laps – great for PE and science.💪Interval timerWork and rest rounds for PE, HIIT and circuits.📝Exam timerReading time, extra time and 30/15/5 minute warnings.🍅Pomodoro timerFocus sessions with planned breaks.🔢Multiple timersA separate countdown for every group.🕒Classroom clockBig digital and analogue clock for the room.

How to use the classroom timer

  1. Choose a preset such as 5 min – Tidy up, or tap the numbers to type any time.
  2. Pick a look: a ring that empties, a bar, or numbers only for the biggest digits.
  3. Press Start, then the full-screen button so the whole class can see it on the board.
  4. When time is up the screen flashes and plays the sound you chose – a chime, a school bell, a gentle tone or none.

The colour changes from green to amber at half time and to red near the end, so children can see at a glance how much time is left. Use +1 min to give extra time without stopping.

Questions

Is the classroom timer free?

Yes. Every timer on this site is completely free, with no sign-up, no download and no adverts.

Will it work on our interactive whiteboard or projector?

Yes. It runs in any modern web browser. Press the full-screen button and the timer fills the screen with large, high-contrast numbers that are easy to read from the back of the room.

Does the timer stay accurate if I switch to another tab?

Yes. The time left is worked out from the computer’s clock rather than by counting, so it stays correct even if you switch to slides or another tab. It also keeps the screen awake on devices that allow it.

Can I add more time while it is running?

Yes – use the +1 min and +10 s buttons at any time. You can also pause and carry on.

Are there keyboard shortcuts?

Space starts and pauses, R resets and F switches full screen on or off.

Is anything I type stored or sent anywhere?

No. Everything runs on your device. Your last settings are remembered in your own browser only.