Interval / HIIT Timer (Tabata)
A HIIT and Tabata interval timer with work/rest rounds, sets, a warm-up and audible countdown beeps — for workouts, circuits and boxing rounds.
For general information only — not medical advice. Results are estimates; talk to a doctor or qualified health professional about your own health.
How to use
- 1Pick a preset (Tabata, EMOM, boxing) or set your own work, rest and rounds.
- 2Press Start — beeps mark the last 3 seconds of each phase.
How it's calculated
Total time = warm-up + rounds × (work + rest) − the final rest. Tabata = 8 rounds of 20 s work / 10 s rest = 4 minutes.
Frequently asked questions
What is Tabata?
8 rounds of 20 seconds of all-out effort followed by 10 seconds of rest — 4 minutes in total.
Can I use it with my phone locked?
Keep the screen on — the timer asks your device to stay awake while running where supported.
What is EMOM?
Every Minute On the Minute: start a set of reps at the top of each minute and rest for what's left of that minute.