Tabata Timer

The original 20/10 × 8 protocol — 4 minutes of all-out interval training. Loud beep at every transition, fullscreen-friendly, no signup.

Work
0:20
Round 1 of 8

What is Tabata?

Tabata is a high-intensity interval format developed by Japanese researcher Dr. Izumi Tabata in 1996. The original protocol is exactly four minutes long: 20 seconds of all-out effort followed by 10 seconds of rest, repeated eight times. Despite its short duration, it produces both aerobic and anaerobic improvements that conventional cardio doesn't match — but only at true maximum intensity. If you can hold a conversation during the work intervals, you're not doing Tabata.

How to use this Tabata timer

  1. Pick one exercise. Compound bodyweight movements work best — squats, push-ups, burpees, mountain climbers, kettlebell swings.
  2. Warm up properly: 5 minutes of light cardio plus dynamic stretches for the muscles you'll use.
  3. Press Start. Go all-out for 20 seconds, rest completely for 10 seconds, repeat 8 times.
  4. Cool down for at least 5 minutes afterwards. Your heart rate will be very high; don't just stop.

Tabata vs HIIT — what's the difference?

Tabata is a specific HIIT protocol with a fixed 20/10 ratio and exactly 8 rounds. Other HIIT formats use different work-to-rest ratios — try the 30/30 HIIT timer for a more sustainable cardio session, or the 45/15 timer for strength-endurance work. Tabata is the most extreme of the common formats; it should be a once-or-twice-a-week tool, not your daily workout.

Sample Tabata workouts

Tabata safety

Tabata is not a beginner workout. The intensity is genuinely high and the protocol is unforgiving — pushing through bad form here is how injuries happen. If you're new to interval training, build a base with the 30/30 HIIT timer for several weeks first. If you have a heart condition, joint issues, or are returning from injury, talk to a doctor before doing Tabata.

Frequently asked questions

What is a Tabata timer?

A Tabata timer is an interval timer set to the original Tabata protocol: 20 seconds of all-out work, 10 seconds of rest, repeated 8 times for a total of 4 minutes.

Is 4 minutes of Tabata enough?

Yes — but only at true maximum intensity. The 1996 Tabata study showed measurable cardiovascular and metabolic improvements from 4 minutes of all-out effort, four days a week. The 'enough' part is conditional on actually going as hard as you can.

How is Tabata different from HIIT?

Tabata is a specific HIIT protocol with a fixed 20/10 work-to-rest ratio and 8 rounds. "HIIT" is the umbrella term — other ratios like 30/30 or 45/15 are also HIIT, just less extreme than Tabata.

How many Tabatas per week?

For most people, 2–3 Tabata sessions per week is the upper limit. The intensity is high enough that recovery between sessions matters as much as the work itself.

Can beginners do Tabata?

Not as a starting point. Build a fitness base with steady-state cardio and lower-intensity intervals like the 30/30 HIIT timer first. Tabata is unforgiving of poor form, and the intensity is much higher than it looks on paper.