15 Second Timer
Click Start to begin the 15 second timer. The countdown runs in your browser and alerts you when time is up.
15 Second Timer
00Hours
00Minutes
15Seconds
About the 15 Second Timer
A 15-second timer is ideal for quick transitions, micro-rest intervals in HIIT workouts, and rapid task switches. In fitness, 15-second rest intervals maintain an elevated heart rate for maximum calorie burn.
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.