Free Online Workout Timer - Perfect for HIIT, Tabata & Interval Training

Transform your fitness routine with our professional-grade workout timer designed for high-intensity interval training (HIIT), Tabata workouts, and circuit training. This free online tool helps you maintain perfect timing during your exercise sessions, ensuring maximum effectiveness and results from every workout.

Why Use a Workout Timer?

Consistent timing is crucial for effective interval training. Our workout timer eliminates guesswork and helps you maintain proper work-to-rest ratios, which are essential for improving cardiovascular fitness, burning calories, and building endurance. Whether you're doing bodyweight exercises, weightlifting, or cardio intervals, precise timing makes all the difference.

Key Features

• Customizable work and rest intervals from 1 second to 1 hour
• Set unlimited rounds for extended workout sessions
• Clear visual indicators for work and rest periods
• Audio alerts to signal phase transitions
• Large, easy-to-read countdown display
• Round counter to track your progress
• Pause and resume functionality for flexibility
• Mobile-responsive design for any device
• No registration or downloads required
• Completely free to use

How to Use the Workout Timer

Using our workout timer is simple and straightforward. First, set your desired work time - this is how long you'll exercise at high intensity. Next, set your rest time for recovery between intervals. Choose the number of rounds you want to complete. Click "Start" to begin your workout, and the timer will guide you through each phase with clear visual and audio cues.

The timer automatically alternates between work and rest periods, displaying the current phase and remaining time. You can pause at any time if needed and resume when ready. The round counter keeps track of your progress throughout the entire session.

Popular Workout Formats

This timer is perfect for various training methodologies. Tabata training uses 20 seconds of work with 10 seconds of rest for 8 rounds. Traditional HIIT might use 30 seconds of work with 30 seconds of rest. For strength training circuits, you might prefer 45 seconds of work with 15 seconds of rest. Customize the settings to match your preferred workout style.

Advanced athletes often use longer work periods like 60 seconds with 20-30 seconds of rest, while beginners might start with shorter 15-20 second intervals. The flexibility of our timer accommodates all fitness levels and training goals.

Benefits of Interval Training

Interval training offers numerous advantages over steady-state cardio. It increases both aerobic and anaerobic capacity, burns more calories in less time, and continues to burn calories after your workout ends (EPOC effect). Regular interval training improves heart health, builds lean muscle mass, and enhances overall athletic performance.

Studies show that just 15-20 minutes of high-intensity interval training can be more effective than an hour of moderate cardio. Our timer helps you maximize these benefits by maintaining precise timing and intensity throughout your workout.

Device Compatibility

Our workout timer works seamlessly across all devices and platforms. Use it on your smartphone during gym sessions, on your tablet for home workouts, or on your computer for online fitness classes. The responsive design ensures optimal functionality regardless of screen size, and no app installation is required.

Start your fitness transformation today with our free, professional-grade workout timer. Set your intervals, press start, and experience the power of precisely timed interval training!