HIIT Interval Timer for Workouts

Professional interval timer perfect for HIIT workouts, Tabata, circuit training, boxing rounds, and any exercise requiring alternating work and rest periods. Customize work/rest intervals and number of rounds.

00:30
Work Interval
Round: 1 / 3

Alarm Settings

Select alarm sound for interval completion:

Maximize Your Workouts with Interval Training

Interval training alternates between high-intensity work periods and recovery rest periods, proven to improve cardiovascular fitness, burn more calories, and build endurance efficiently.

Interval Timer Features:

  • Customizable Work/Rest Periods: Set any duration from 5 seconds to 10 minutes
  • Multiple Rounds: Configure up to 20 rounds for comprehensive workouts
  • Visual Progress Bar: Track your position within each interval
  • Round Counter: Always know which round you're on
  • Audio Alerts: Clear signals for work/rest transitions

Workout Types:

  • HIIT (High-Intensity Interval Training): 30 sec work / 15 sec rest
  • Tabata Protocol: 20 sec work / 10 sec rest for 8 rounds
  • Boxing Rounds: 3 min work / 1 min rest
  • Circuit Training: Custom intervals for different exercises
  • Sprint Training: Short intense bursts with recovery

Perfect For:

  • HIIT and Tabata workouts
  • Boxing and martial arts training
  • CrossFit and functional fitness
  • Running intervals and sprints
  • Cycling and spinning classes
  • Circuit training and boot camps