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30 Minute Timer
Thirty minutes is half an hour — the most common length for workouts, classes and calls. Press Start and the alarm rings after exactly 30 minutes; the time left also shows in your browser tab.
30 Minute Timer
The remaining time also shows in the browser tab, so you can switch tabs.
What people use a 30 minutes timer for
- A 30-minute workout, jog or yoga session
- Half-hour study or revision blocks
- Baking a cake or roasting chicken pieces
- Parking-meter and laundry reminders
- Screen-time limits for children
Tip
For exercise, the WHO guideline of 150 minutes a week is five 30-minute sessions — run this timer on five days and you have met it.
Did you know?
Thirty minutes of moderate exercise on most days is the most widely quoted public-health activity target.
30 minutes in other units
| Unit | Value |
|---|---|
| Seconds | 1,800 |
| Milliseconds | 1,800,000 |
| Hours | 0.5 |
| Share of a day | 2.083% |
Frequently asked questions
How do I start the 30 minutes timer?
Press Start or the space bar — it is already set to 30 minutes. Press again to pause, and Reset to start over.
Will it ring if I switch to another tab?
Yes. The alarm is scheduled on your device’s audio clock when you press Start, so it rings on time in the background. Keep your volume on.
Can I change the time?
Yes — edit the hours, minutes and seconds or tap another preset. Other popular lengths: 1 minute, 2 minutes, 3 minutes, 5 minutes, 10 minutes.