45-Minute Timer

About this 45-minute timer

This is a clean, distraction-free 45-minute countdown. The timer ticks down to zero, plays a clear alarm, and can be reset with a single click. The timer keeps accurate time even if you switch tabs — useful for any kind of background timing.

Common uses for a 45-minute timer

• A class period for teachers — see the classroom timer with a visual format.
• A study sprint — paired with the 15-minute break in the study sprint timer.
• A medium-depth focus block, between Pomodoro and full deep work.
• Workout sessions or long runs.

Looping the timer

Need a recurring 45-minute alarm? Head to the homepage and set the rounds field to your target count — the timer will loop the same duration that many times, beeping at each cycle.

Other countdown lengths

Need a different duration? Browse the 1-minute timer, 2-minute timer, 3-minute timer, 5-minute timer, 10-minute timer, 15-minute timer, 20-minute timer, 30-minute timer, or 1-hour timer — or build a custom timer on the homepage.