Set 1 Hour Timer - Free Online Countdown Clock

Set 1 Hour Timer Online

Set timer for 1 Hour directly in your browser. This free online countdown clock counts down from 1 hour to zero and plays a loud alarm when time is up. To start the timer, simply click the Start button above.

Popular Uses

Deep Work - set a precise 1 hour countdown.
Exam Practice - set a precise 1 hour countdown.
Long Cooking - set a precise 1 hour countdown.
Meetings - set a precise 1 hour countdown.
Movie Breaks - set a precise 1 hour countdown.

Frequently Asked Questions

Does this 1 hour timer make a sound?

Yes. When the countdown reaches zero, the browser plays a short alarm chime. Keep the tab open and your device volume enabled.

Can I use this timer in full screen?

Yes. Use the full-screen button to turn the countdown into a large display for classrooms, workouts, meetings, cooking, or livestreams.

How many seconds is this timer?

This countdown is exactly 3,600 seconds long.

More Timer Durations

Need a different time? Select from our quick preset timers below.

Seconds:

30 Second Timer 45 Second Timer 60 Second Timer

Minutes:

1 Minute Timer 2 Minute Timer 3 Minute Timer 5 Minute Timer 10 Minute Timer 15 Minute Timer 20 Minute Timer 25 Minute Timer 30 Minute Timer 45 Minute Timer 60 Minute Timer 90 Minute Timer

Hours:

1 Hour Timer 2 Hour Timer 3 Hour Timer 4 Hour Timer 8 Hour Timer 12 Hour Timer 24 Hour Timer