No downloads or signups
Works on any device
Built for any workout
40 Second Interval Timer
Stay in control of your sessions with our 40 second interval timer. Set focused work periods, manage short rest breaks, and keep your workouts structured without needing to watch the clock.
How to Use a 40 Second Repeating Timer for Workouts
Our 40 second interval workout timer is ideal for building strength, improving endurance, and managing longer bursts of work across different training styles. Whether you are pushing through bodyweight circuits, lifting heavy sets, or running conditioning intervals, a 40 second repeating timer helps you hold the right intensity throughout your session.
You can use it for CrossFit WODs, cardio conditioning, functional strength rounds, or personal training sessions where steady pacing is critical. It is perfect for workouts that demand a balance between sustained effort and short rest periods.
Our free online 40 second timer runs straight from your device, with fullscreen support and clear audio beeps at every interval. No downloads, no accounts, and no waiting around. Just open the timer, set your pace, and start training properly.