40 second timer
Press Start and an alarm will ring in exactly 40 seconds. Good for a HIIT interval (40 seconds on, 20 off) or a quick stretch.
40 seconds is 40 seconds. The timer keeps exact time in a background tab and shows the time left in the tab title. Press Space to pause, R to reset, F for full screen.
Other timers
Seconds
Minutes and hours
- 1 min
- 2 min
- 3 min
- 4 min
- 5 min
- 6 min
- 7 min
- 8 min
- 9 min
- 10 min
- 11 min
- 12 min
- 13 min
- 14 min
- 15 min
- 16 min
- 17 min
- 18 min
- 19 min
- 20 min
- 21 min
- 22 min
- 23 min
- 24 min
- 25 min
- 26 min
- 27 min
- 28 min
- 29 min
- 30 min
- 31 min
- 32 min
- 33 min
- 34 min
- 35 min
- 36 min
- 37 min
- 38 min
- 39 min
- 40 min
- 41 min
- 42 min
- 43 min
- 44 min
- 45 min
- 46 min
- 47 min
- 48 min
- 49 min
- 50 min
- 51 min
- 52 min
- 53 min
- 54 min
- 55 min
- 56 min
- 57 min
- 58 min
- 59 min
- 1 hr
- 65 min
- 70 min
- 75 min
- 80 min
- 85 min
- 90 min
- 100 min
- 110 min
- 2 hr
- 3 hr
- 4 hr
- 5 hr
- 6 hr
- 7 hr
- 8 hr
- 9 hr
- 10 hr
- 12 hr
Set a custom timer · Stopwatch · Pomodoro timer · Classroom timer