Set a Timer for 45 seconds

This free online timer is pre-set to 45 seconds and starts the moment you press START. A sound alert fires when the time is up. Use the +/– buttons to adjust hours, minutes or seconds before starting. Great for Tabata intervals, one-minute drills, quick cooking tasks, micro-breaks.

Popular Timer Durations

1 minute timer
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1 hour timer
2 hour timer

How to Use This Timer

The timer loads pre-set to 45 seconds. Press START to begin. Press PAUSE to freeze the countdown and START again to resume. After it finishes, press RESET to go back to 45 seconds. You can also adjust the time before starting using the + and – buttons.

More Timer Tools

Need something more specialized? Try the fight timer for boxing and interval training with multiple rounds, or the stopwatch for counting up rather than down. Back to the homepage for all timers.