20 Second Timer

Set a timer for 20 seconds. Press Start or the Space bar.

Ready Sound off

hours minutes seconds

Nearby 12 seconds 15 seconds 30 seconds 40 seconds All timers

Keyboard shortcuts

Shortcuts don't fire while you type in a field. Turn them off in Timer settings.

Start now and it ends at--:--Your time

20 seconds is20 s0.0056 hours

Often used forHand washing: the recommended minimum scrub time.

The timer is already set to 00:20. Press Start, or the Space bar.
Need a little more? Press +1 min while it runs, or pick 30 seconds or 40 seconds.
When the alarm rings, press Stop alarm. It stops by itself after 60 seconds unless you change that in Timer settings.

This page is already set to 20 seconds. Press Start or the Space bar. To change it, type new numbers into the digits or pick a nearby duration.

Yes. The alarm is scheduled the moment you press Start, so it rings on time even in another tab. Keep the device awake and the volume up.

Yes. Press the full-screen button or the F key. The digits fill the screen and the controls hide until you move the mouse or tap.