1 Hour Timer
Free online 1 hour countdown timer with alarm
Space start/pause · R reset · ↑↓ adjust
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About the 1 Hour Timer
Free 1 hour timer with alarm sound. Set a 1h countdown for work sessions, studying, or cooking. Runs in background with notifications on any device.
Common Uses
- Deep work session
- Meeting duration
- Exam practice
- Project time-box
- Study block
How to Use
- Click Start to begin your 1 hour countdown
- Use the +/- buttons to adjust by 5 minutes while running
- Press Space to start/pause, R to reset your timer
- Enable notifications for alerts when your 1 hour timer finishes
Frequently Asked Questions
How long is 1 hour in minutes?▾
1 hour is exactly 60 minutes or 3,600 seconds. Our free 1-hour countdown timer tracks every second and sounds an alarm when done.
What is a 1 hour timer used for?▾
A 1 hour timer is commonly used for deep work session, meeting duration, exam practice. Set the countdown and focus on your task with confidence.
Does the timer work in the background?▾
Yes, our timer continues running even if you switch to another tab or minimize your browser. Enable push notifications to get alerted when your countdown finishes.
Will the alarm sound after 1 hour?▾
Yes, an alarm sound plays automatically when the 1-hour countdown reaches zero. You can also enable push notifications for an extra alert, even if you’re in another tab.