4 Hour Timer
Free online 4 hour countdown timer with alarm
Space start/pause · R reset · ↑↓ adjust
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About the 4 Hour Timer
Free 4 hour countdown timer with alarm. Perfect for long study sessions, project deadlines, or sleep timers. Works in your browser — no downloads required.
Common Uses
- Deep work session
- Meeting duration
- Exam practice
- Project time-box
- Study block
How to Use
- Click Start to begin your 4 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 4 hour timer finishes
Frequently Asked Questions
How long is 4 hours in minutes?▾
4 hours is exactly 240 minutes or 14,400 seconds. Our free 4-hour countdown timer tracks every second and sounds an alarm when done.
What is a 4 hour timer used for?▾
A 4 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 4 hours?▾
Yes, an alarm sound plays automatically when the 4-hour countdown reaches zero. You can also enable push notifications for an extra alert, even if you’re in another tab.