T1 — FREE ONLINE TIMER

TABATA
TIMER

The classic protocol: 8 rounds of 20 seconds all-out work and 10 seconds rest — 4 minutes total. Audio cues, screen stays awake, digits readable from across the gym.

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What is a Tabata workout?

Tabata is an interval protocol of 8 rounds: 20 seconds of all-out work followed by 10 seconds of rest — 4 minutes total. It comes from a 1996 study led by Dr. Izumi Tabata on Olympic speed skaters, which found that this 20/10 structure at very high intensity improved both aerobic and anaerobic capacity.

The catch most people miss: the original protocol demands maximal effort. If you can hold a conversation during the work intervals, it's interval training — which is fine — but it's not really Tabata.

How to use this timer

  1. Pick one movement (or alternate two). Air squats, burpees, rowing, assault bike, kettlebell swings and push-ups all work well.
  2. Leave the timer at 8 × 20/10 for the classic protocol, or adjust rounds and intervals for your own scheme.
  3. Press START. You get a 10-second lead-in, a beep at every phase change, and red pulsing digits for the final 3 seconds of each interval.

Example Tabata workouts

  • Tabata squats — 8 × 20/10 air squats. Score = your lowest round's rep count.
  • Tabata alternating — odd rounds burpees, even rounds sit-ups.
  • Tabata row / bike — 8 × 20/10 for max calories. Brutal and honest.
  • Full Tabata session — 4 movements × 8 rounds each, 1 minute rest between movements (about 20 minutes).

Want a running clock for other formats? Try the EMOM timer, the AMRAP timer or a fully custom interval timer.

FAQ

How long is a Tabata workout?
One Tabata is exactly 4 minutes: 8 rounds of 20 seconds work and 10 seconds rest. Many sessions chain several 4-minute Tabatas with a minute of rest in between.
Is 4 minutes of Tabata really enough?
At true maximal intensity, yes — that was the finding of the original 1996 study. But most people don’t reach that intensity, so treating Tabata as one block inside a longer session is the practical approach.
What is the difference between Tabata and HIIT?
Tabata is one specific form of HIIT: fixed 20/10 intervals for 8 rounds at maximal effort. HIIT is the umbrella term for any high-intensity interval scheme, like 30/30 or 40/20.
What are the best exercises for Tabata?
Simple movements you can do fast and safely while exhausted: air squats, burpees, kettlebell swings, rowing, biking, mountain climbers. Avoid heavy or technical lifts at 20/10 pace.

THIS TIMER, BUT FROM A
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