Visual Classroom Timer
A big countdown disc your students can read from the back row. Pick a length, press Start, and project it. Free, no ads, no sign-up.
TimerSet to 5:00
5:00
How to use it
- Choose a preset (1 to 30 minutes) or type minutes and seconds.
- Press Start or the space bar. The red disc shrinks as time runs out.
- Press Full screen (or F) to fill the projector screen.
- Pause, add a minute, or reset at any time. A chime plays at zero.
Why a visual timer works in the classroom
Young students can’t always read a clock, but every child can see a disc getting smaller. A visual timer turns “five more minutes” into something concrete: students pace themselves, transitions get faster, and you repeat yourself less.
- Transitions and clean-up: 2 minutes on the board ends the “are we done yet?” questions.
- Stations and centers: run 10 to 15 minutes, then rotate when the chime plays.
- Tests and quizzes: turn the sound off and leave the timer in full screen.
- Group work: pair the timer with the classroom noise meter so students see both the time left and the volume.
- Brain breaks: a 3-minute break with a visible end is easier to bring back from.
Frequently asked questions
- How do I make the classroom timer full screen?
- Click Full screen under the timer or press F. The disc and the digits grow to fill the projector screen. Press Esc to leave full screen.
- Does the timer keep running if I switch tabs?
- Yes. The timer counts from the clock, not from animation frames, so it stays exact while you open slides or another tab. The tab title shows the time left.
- Can I add time while it is running?
- Yes. Press +1 min at any moment, even while the timer runs. Use −1 min to take a minute away.
- Is there a sound when time is up?
- A short three-note chime plays when the timer reaches zero. Untick “Sound at the end” for a silent timer during tests.
- What timer lengths work best for classroom activities?
- Short, visible blocks keep students on task: 1 to 2 minutes for transitions and clean-up, 3 to 5 minutes for think-pair-share, 10 to 15 minutes for centers, 20 to 30 minutes for independent work.