20 Minute TimerFree Online Countdown
Set a timer for 20 minutes with a loud alarm. Pause, add a minute, share the link.
Set time
Quick timers
Keep this tab open with volume on. Tap Test sound once to allow audio.
Online 20 minute timer
Use this 20 minute timer for cooking, studying, workouts or breaks. It counts down 20 minutes with a big progress ring, then plays a strong beep and vibrates on phones.
Many people choose 20 minutes for a power nap, which helps avoid waking up groggy.
Popular uses for a 20 minutes timer
Power nap
Short naps help you wake up refreshed, not groggy.
Cooking
Keep an eye on pasta, rice or the oven.
Study sprint
One focused push on a single topic.
Tidy-up sprint
Clean or organise until the timer ends.
20 minutes in other units
How to use the 20 minute timer
- 1Check that the timer shows 20 minutes, or change hours, minutes and seconds.
- 2Tap Start Timer and allow notifications when your browser asks.
- 3Watch the ring count down. Pause, resume or tap +1 min whenever you need.
- 4When 20 minutes are over, a loud alarm rings. Tap Stop alarm or restart the same timer.
Other timers like 20 minutes
20 minute timer FAQ
How do I set a timer for 20 minutes?
The 20 minute timer is already selected on this page. Tap Start Timer, allow notifications if asked, and keep the tab open with your volume up. You will hear a loud alarm when 20 minutes have passed.
How many seconds, minutes and hours is 20 minutes?
20 minutes equals 1200 seconds, 20 minutes or 0.33 hours.
Will the 20 minute timer keep running if I close the tab?
No, the tab must stay open for the alarm to play. You can switch to other tabs or apps, and the timer keeps its end time even if you refresh the page.
Can I pause or add time to the 20 minute timer?
Yes. Use the Pause button to stop the countdown and Resume to continue. Tap +1 min to extend a running timer, or Reset to start over.
Does the 20 minutes timer work on iPhone and Android?
Yes. It works in Safari, Chrome, Edge and Firefox on iPhone, Android, Windows and macOS. It is free and needs no app or signup.