4 minute 30 second timer
Press Start and an alarm will ring in exactly 4 minutes and 30 seconds. Good for steeping black tea or a short presentation.
4 minutes and 30 seconds is 4.5 minutes, or 270 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.
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Set a custom timer · Stopwatch · Pomodoro timer · Classroom timer