Classroom Timer
Free online classroom timer for lessons, transitions, quizzes, and group work.
Use this classroom timer on a projector, smart board, tablet, or shared screen. Start with 5 minutes, edit the time directly, or jump to common lesson durations.
Space start/pause · R reset · ↑↓ adjust
Quick Timers
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About the Classroom Timer
Free classroom timer for teachers, lessons, transitions, quizzes, reading time, and group activities. Large display, sound alarm, and quick duration links.
Common Uses
- Warm-up activities
- Station rotations
- Timed quizzes
- Silent reading
- Group work transitions
How to Use
- Click Start to begin your 5 minute countdown
- Use the +/- buttons to adjust by 1 minute while running
- Press Space to start/pause, R to reset your timer
- Enable notifications for alerts when your classroom timer finishes
Frequently Asked Questions
Can I use this classroom timer on a projector?▾
Yes. Open TimerHub on the classroom computer or tablet, set the time, and use fullscreen mode for a large countdown students can see across the room.
What classroom timer length should I start with?▾
Five minutes works well for warm-ups and transitions. Use 10 to 20 minutes for group work, quizzes, silent reading, or station rotations.
Does the classroom timer have sound?▾
Yes. The timer plays an alarm when time is up, and you can mute sounds from the header if you only want a visual countdown.