30 Minute Timer
Free online 30 minute countdown timer with alarm
Space start/pause · R reset · ↑↓ adjust
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About the 30 Minute Timer
Free 30 minute countdown timer with alarm. Perfect for work sessions, cooking, and study breaks. Works in your browser — no app needed.
Common Uses
- Lunch break
- Full workout
- Meal prep
- Deep work session
- Meeting duration
How to Use
- Click Start to begin your 30 minute countdown
- Use the +/- buttons to adjust by 1 minute while running
- Press Space to start/pause, R to reset your timer
- Enable notifications for alerts when your 30 minute timer finishes
Frequently Asked Questions
How long is 30 minutes?▾
30 minutes is exactly 1,800 seconds, or 0.5 of an hour. Our free 30-minute timer counts down precisely and alerts you when time is up.
What can I do in 30 minutes?▾
A 30 minute timer is great for lunch break, full workout, meal prep. Set it and focus on your task — the alarm will let you know when time is up.
Does the timer work in the background?▾
Yes, our timer continues running even if you switch to another tab or minimize your browser. Enable notifications to get alerted when it finishes.
Can I use the 30 minute timer on my phone?▾
Yes, our 30 minute timer is fully responsive and works on all devices including iPhone and Android. Open this page in your mobile browser and tap Start.