45 Second Timer
Free Online 45 Second Countdown Timer with Alarm
00:45
How to use: Click Start to begin the 45 second countdown. The timer will alert you when time is up. You can pause, reset, or go fullscreen anytime.
About the 45 Second Timer
The 45 second timer is a simple, accurate, and free online countdown timer. Use it for workouts, games, cooking, productivity sprints, classroom activities, and more. No registration, no ads, and works on any device.
- Instant start: Just click start for a 45 second countdown.
- Alarm sound: Get notified with a clear alarm when time is up.
- Pause & reset: Pause anytime or reset to start over.
- Fullscreen mode: Use fullscreen for presentations, classrooms, or focus sessions.
- Mobile-friendly: Works on phones, tablets, and desktops.
- No distractions: 100% ad-free and privacy-friendly.
Why Use a 45 Second Timer?
- Perfect for HIIT, Tabata, and short exercise intervals.
- Use as a game timer for board games, quizzes, and classroom activities.
- Time short breaks or micro-tasks for productivity.
- Use as a kitchen timer for quick recipes and tasks.
- Great for meditation, mindfulness, and breathing exercises.
Frequently Asked Questions
- Can I use this timer for workouts?
- Yes! 45 seconds is a popular interval for HIIT, Tabata, and other fitness routines.
- Does the timer work in the background?
- Yes, the timer keeps running even if you switch tabs (unless your browser suspends background tabs).
- Is this timer free?
- Yes, the ManyCalcs 45 second timer is 100% free and always will be.
- Will the timer make a sound?
- Yes, an alarm will play when the countdown reaches zero.
- Can I use this timer on my phone?
- Absolutely! The timer is mobile-friendly and works on any device.
Related Timer Tools
For more, see Timer on Wikipedia.