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

Tabata Protocol

Endurance