Professional Interval Timer
High-precision interval timing for your workouts. Perfect for HIIT, circuit training, and any interval-based activities.
Professional Interval Timer
High-precision interval timing for workouts and training
Get Ready
00:00
000
Round 0 of 0
Interval Settings
Notifications
Features
Timer Functions
- • Customizable work/rest intervals
- • Multiple round support
- • Preparation countdown
- • Voice announcements
- • Sound notifications
Display Features
- • Clear phase indication
- • Round progress tracking
- • Millisecond precision
- • Visual phase transitions
- • Countdown warnings
Applications
Fitness Training
- • HIIT workouts
- • Circuit training
- • Tabata intervals
- • CrossFit timing
Sports Training
- • Sprint intervals
- • Boxing rounds
- • Swimming sets
- • Agility drills
Other Uses
- • Study intervals
- • Work breaks
- • Practice sessions
- • Time management
Usage Guide
Getting Started
- 1. Set your work interval duration
- 2. Set your rest interval duration
- 3. Choose number of rounds
- 4. Adjust preparation time
- 5. Configure notifications
During Workout
- • Follow the phase indicators
- • Listen for voice announcements
- • Watch for countdown warnings
- • Track your round progress
- • Use pause when needed
Keyboard Shortcuts
- • Space: Start/Pause timer
- • R: Reset timer
Common Interval Patterns
HIIT Standard
- • Work: 30 seconds
- • Rest: 10 seconds
- • Rounds: 8
- • Total time: 5:20
Tabata Protocol
- • Work: 20 seconds
- • Rest: 10 seconds
- • Rounds: 8
- • Total time: 4:00
Endurance
- • Work: 60 seconds
- • Rest: 30 seconds
- • Rounds: 10
- • Total time: 15:00