12 Minute Timer
Click Start to begin the 12 minute timer. The countdown runs in your browser and alerts you when time is up.
12 Minute Timer
00Hours
12Minutes
00Seconds
About the 12 Minute Timer
Twelve minutes is the duration of the Cooper Run (12-minute fitness test) used by the US Air Force and many athletic programs to assess cardiovascular endurance.
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.