How to use the 20 Minute Timer
- The timer is already set to 20 minutes. Press Start or the space bar.
- Press it again to pause, and Reset (or R) to go back to the start.
- When time is up, an alarm plays and the screen flashes. Click Stop alarm to silence it.
- Need a different time? Change the boxes or pick another preset below the clock.
What a 20 minute timer is good for
- Power naps: about 20 minutes is often suggested, so you wake up before deep sleep.
- Reading and focused study sessions.
- Workouts: a quick run, yoga or a circuit.
- Cooking: baking, roasting vegetables or simmering a sauce.
Accurate in the background
The countdown is measured against your device's clock, not by counting ticks, so 20 minutes is exactly 20 minutes even when you switch to another tab. The time left also shows in the tab title. On phones, keep the screen on so the alarm can play.
Bookmark this page to have a 20 minute timer one click away, or use the online timer to set any time you like.
Frequently asked questions
Will the alarm wake me from a nap?
It plays a chime for up to a minute. Turn your volume up, keep the screen on, and use Test sound first to make sure you'll hear it.
Does the 20 minute timer make a sound?
Yes. A chime repeats for up to a minute when time is up, and phones that support it vibrate too. Use Test sound to check your volume first.
Is it free?
Yes, completely free, with no sign-up.