Start a free 45 minute timer online with an alarm when time is up.
✔ Starts instantly
✔ Free & no download
✔ Works on any device
Need exactly forty-five minutes? This free 45 minute timer starts at 45:00 and counts down to zero directly in your browser.
Press Start to begin the countdown. When the forty-five minutes are over, the timer alerts you that time is up. Reset or restart it whenever you need another 45 minute countdown.
There is nothing to install and no account is required. Use it for focused work, studying, workouts, reading, cooking or longer tasks.
45 minutes is equal to 2,700 seconds.
It is also equal to 0.75 hours, or three quarters of an hour. Forty-five minutes gives you enough time for a substantial focus session, workout or practical task without committing to a full hour.
A 45 minute countdown is ideal when you want enough time to get deeply into a task while still working toward a clear stopping point.
Forty-five minutes gives you enough time to settle into focused work without turning the session into an open-ended block. Choose one task, start the timer and stay with it until the countdown ends.
For a more structured routine with shorter work periods and planned breaks, try our Pomodoro Timer.
A 45 minute timer is also useful for exercise sessions, gym routines, yoga, walking or stretching. Start the countdown before you begin so you can concentrate on the activity instead of repeatedly checking the clock.
A timer counts down for a specific amount of time. This page starts with forty-five minutes and alerts you when the countdown reaches zero.
An alarm is set for a specific time of day. If you want an alert at a particular clock time instead, use our Online Alarm Clock.

All tools are completely free to use

No signup required. No downloads needed

Start your timer in seconds

Works on desktop, tablet, and mobile devices