30 Second Timer
Click Start to begin the 30 second timer. The countdown runs in your browser and alerts you when time is up.
30 Second Timer
00Hours
00Minutes
30Seconds
About the 30 Second Timer
30 seconds is the standard HIIT work interval. It's also the duration of many TV and radio commercial slots, and the recommended duration for effective hand washing (per CDC guidelines).
Need a different duration? Use our custom timer to set any hours, minutes, and seconds combination. For counting down to a specific date, try our Countdown Timer.