Free Online Sand Timer with Falling Sand Particles

Falling Sand Physics•Authentic Hourglass•Audible Chime Alert•Classroom & Kid Friendly

Experience Calming Time Flow with a Digital Sand Timer

Need an authentic **sand timer online** that helps visualize time passing without cold digital numbers? Our interactive hourglass simulates realistic falling sand grains with smooth particle physics.

Ideal for board games like Boggle or Pictionary, classroom student turns, tooth brushing timers for kids, or mindful breathing breaks.

How to Use the Sand Timer (Hourglass)

Select your desired duration using the quick presets or customize minutes.

Click Start to watch the golden sand grains stream through the hourglass neck.

Observe the bottom chamber slowly accumulate sand as your focus window elapses.

Hear a pleasant chime alert as the final grain drops — reset anytime with one click.

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Frequently Asked Questions

How accurate is this online sand timer?

Unlike physical sand glasses that vary by humidity, TimerBox uses millisecond timestamp deltas, ensuring 100% precision even when running in background tabs.

Can I change the sand timer duration?

Yes! While 5 minutes is the default, you can click any preset button or type custom minutes to run 1m, 3m, 5m, or 10m hourglass timers.

Ready to Start Your Sand Timer (Hourglass)?

Scroll up and press Start to begin your visual countdown immediately.