HIIT timer
A HIIT timer with a longer work phase than Tabata: 40 seconds work and 20 seconds rest over 10 rounds by default. Freely adjustable, with sound.
Work 40s · Rest 20s · 10 rounds
Take it with you in the app
This tool runs in your browser. Want it on your phone, with voice cues, background timing and a real alarm? Open the same tool in NanoTimer.
Open on your phoneOpens NanoTimer on your iPhone and starts right away.
Download on theApp StoreLink coming soon
How it works
- By default the timer is set to 40 seconds work, 20 seconds rest, 10 rounds.
- Tap Start. Orange is work, teal is rest.
- Adjust work, rest and rounds to your session.
- The last three seconds of each phase beep down.
Frequently asked questions
- How is this different from Tabata?
- Tabata is a fixed 20/10 ratio over four minutes. HIIT is a broader term: any high-intensity interval with rest between, often longer.
- Can I add a warm-up?
- Not in the browser tool, but the NanoTimer app has warm-up and cooldown, plus named sequences. Open the app with the button above.
- Does the time stay correct in the background?
- Yes, timing is date-anchored. Keep the tab open for the sound.