10 Minute Timer — Free Online Countdown
Free online countdown — fullscreen, alarm, no signup
How to Use This 10 Minute Timer
Set Duration
The timer is preset to 10 minutes. Click Set to confirm.
Initialize
Review the countdown display and enter fullscreen if needed.
Start
Hit Start to begin. The alarm sounds when time reaches zero.
Cast This Timer to a Bigger Screen
Mirror this countdown to any TV, projector, or classroom display via Chromecast, AirPlay, or HDMI. Perfect for meeting rooms, gym training, or classroom group work where everyone needs to see the time.
Full casting guideCommon Uses for a 10 Minute Timer
Meeting agenda item countdown
Ten minutes is the standard meeting agenda slot. Display the countdown on the room screen to keep each item on track without the facilitator constantly checking their watch.
Group work and classroom activity
Classroom group activities and collaborative work often run on 10-minute blocks. Project it on the board so students manage their own time without needing reminders.
AMRAP workout timer
AMRAP (As Many Rounds As Possible) workouts typically use 10-minute rounds. Cast it to the gym TV so every athlete in the room is working from the same shared clock.
Short break between work sessions
A 10-minute break between focused work sessions is long enough to recharge without losing momentum. Use the countdown to stay disciplined about returning to work.
Ten minutes is the standard unit of structured time — meeting agenda slots, classroom group activities, AMRAP workout rounds, and focused work breaks all default to 10 minutes because it's long enough to accomplish something real and short enough to stay sharp throughout. This timer loads instantly in your browser and counts down in large digits readable from across a room. The alarm at zero signals the end automatically, so no one has to watch the clock. For meetings, display the 10 minute countdown on the room screen to keep each agenda item on track without the facilitator constantly checking their watch. For AMRAP training, cast it to the gym TV so every athlete in the room is working from the same shared clock. For classrooms, project it on the board during group work so students manage their own time without needing reminders.
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Fun Fact
It typically takes a rocket about 10 minutes to reach orbit when launching to the International Space Station, located about 250 miles above Earth. During this brief window, the rocket accelerates from zero to approximately 17,500 miles per hour (28,000 km/h) — the orbital velocity needed to stay in space. This incredible acceleration subjects astronauts to forces of about 3G, meaning they feel three times their normal body weight.