HIIT Timer

Twenty minutes is the standard length of a complete HIIT session — alternating hard intervals and recovery, warm-up and cool-down included.

20:00HIIT Timer

Keep this tab open — the countdown stays accurate in the background, and the alarm sounds when it reaches zero.

What a hiit timer is good for

Training intervals only work if the work and rest periods are actually the length they're supposed to be — rest creep is the fastest way to turn a conditioning session into an easy one. These countdowns are sized to the intervals used in common training protocols.

Planning a longer session? Work out the totals with the workout density calculator.

Open Calculator

How long is 20 minutes?

Unit20 minutes equals
In seconds1,200 seconds
In minutes20 minutes
In hours0.333 hours
On the clock20:00

Frequently Asked Questions