Online Gym Clock: The Best Free Interval Timer for Workouts

This Interval Timer is a professional-grade gym clock designed for HIIT, Tabata and circuit training. Set your work and rest periods below to start your session immediately

Voice-Controlled Timer
05:00
Click to start voice control
Try saying: “20 minutes start” • “10 minutes” • “stop”

Voice-Controlled Timer

Add This Gym Timer to Your Website

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How to Use This Online Interval Timer

  • Interval Ready: Perfect for HIIT, Tabata, and EMOM training. Simply set your work and rest periods and hit Start.
  • Gym Floor Visibility: Features large, high-contrast digits designed to be readable from across the gym or studio.
  • No App Needed: Works 100% in your mobile browser. Bookmark this page for instant access during your next session.

The Ultimate Workout Timer for HIIT and Tabata

Our digital gym clock is built for high-intensity athletes. Whether you are performing heavy lifting sets or 4-minute Tabata rounds, this timer keeps your rest periods precise. The simple, free interface ensures you spend less time on your phone and more time training.

Full-Screen Gym Clock for iPhone, Android and Desktop

Experience a full-screen gym clock without the need for an expensive wall-mounted timer. This web-based tool is fully responsive, meaning it scales perfectly to your smartphone, tablet, or laptop. Use it at home, in the garage or at your local CrossFit box.

Use Cases for the Gym Clock Timer:

This versatile gym clock supports various training styles and fitness levels:

  • Weight Training: Time your sets and rest effectively to optimize muscle recovery and growth.
  • HIIT Workouts: Follow strict interval timings for fast, efficient calorie burning and cardiovascular improvement.
  • Circuit Training: Keep transitions smooth and timed, ensuring balanced exertion and recovery.
  • Cardio Sessions: Maintain consistent pacing with timed running, cycling, or rowing intervals.

Click play and let this gym clock time your fitness routine. [Need other timing options? 

Need a shorter break? Try our 5 Minute Timer or quick rest periods

Frequently Asked Questions (FAQ)

The ratio of work to rest determines the “energy system” you are training. A 1:1 ratio (e.g., 30s work / 30s rest) is great for cardiovascular endurance, while a 1:3 ratio (e.g., 15s sprint / 45s rest) focuses on explosive power and recovery. This online tool gives you the flexibility to customise these ratios for any fitness goal.

Yes. This tool is a fully responsive web app designed to work on all mobile browsers. Unlike bulky fitness apps, it requires no download and won’t track your data, making it the perfect “no-nonsense” companion for home gyms, garage setups or commercial fitness centres.

EMOM stands for “Every Minute on the Minute.” In this format, you perform a specific number of reps at the start of every minute and then rest for whatever time remains. You can use this interval timer to signal the start of each new minute, helping you maintain a consistent pace throughout your circuit or strength session.

A standard Tabata session consists of 8 rounds of 20 seconds of all-out effort followed by 10 seconds of rest. To use this tool as a Tabata timer, set your “Work” interval to 20 seconds and your “Rest” interval to 10 seconds. This 4-minute protocol is scientifically proven to improve both aerobic and anaerobic fitness.

Absolutely. The gym clock timer is fully functional on smartphones, tablets, and desktops, perfect for use anywhere.

Yes, easily adjust the timer to fit your workout needs, whether it’s longer rests or shorter high-intensity bursts.

While a standard gym clock tracks elapsed time, an interval timer allows you to program specific “work” and “rest” periods. This is particularly essential for high-intensity training, where precise timing is crucial to the effectiveness of the workout. Using a dedicated timer prevents “rest creep,” where recovery periods accidentally get longer as you get tired.

By automating interval timing, it allows you to focus entirely on exercise form and intensity, with precise audible alerts keeping your workout on track.

Yes, its flexibility makes it ideal for beginners and advanced athletes across various workout styles.

Click the microphone button (🎤) to start voice control, then clearly speak your command. Allow microphone access when prompted. The timer shows “🎤 Listening…” when ready. Works best in Chrome, Edge, and Safari. Try commands like “20 minutes start” for HIIT intervals or “45 seconds” for rest periods.

Check microphone permissions, use Chrome/Edge browser, speak clearly when not breathing heavily, and reduce background noise.

If you need a simple countdown for any task