Tools / Calculators

Repeat Timer

A timer that repeats the same duration multiple times, with an optional rest between rounds — set a round count or run forever until you stop it.

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Repeat Timer

Waiting · Round 105:00

RoundRound 1 / 4

This step ends—

All done byTotal 23m

Plan5m / rest 1m × 4

Duration

Changing this resets to the start

DurationLength of one roundhms

RestLeave at 0 to go straight into the next roundmsRest after the last round too

RepeatEnds once the set number of rounds is donexRepeat forever

Notifications

SoundVolume60%

Countdown beep for the last 3 seconds

Shortcuts

Space Start/stopR ResetN SkipM Mute

Settings are stored only in this browser. The remaining time shows in the tab title even when you’re on another tab, and time that passed while the screen was off is caught up using the real clock. Sounds are synthesized in your browser, so nothing is downloaded.

첫 번째 댓글을 남겨보세요!

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Tool info

Category Calculators

Processing Directly in your browser

Data storage Stored only in this browser

Updated 2026-08-30

How to use

Set the length of one round and the rest between rounds. Leave rest at 0 to go straight into the next round with no gap.

Set a number of rounds, or turn on "Repeat forever" to keep going until you stop it yourself.

Click "Start" and rounds and rest periods repeat automatically. Use "Skip" to jump past the current step, or the −1m/+1m/+5m buttons to adjust the remaining time on the fly.

FAQ

자주 묻는 질문

Q1. Can rounds run back-to-back with no rest?

Yes. Set the rest duration to 0 and it goes straight from one round into the next with no gap.

Q2. When does it stop if I repeat forever?

With "Repeat forever" on, it keeps repeating the same round/rest cycle until you press stop yourself. The "Round" value on screen shows which cycle you're on.

Q3. I need a rest period after the last round too.

By default no rest is added after the final round. Turn on "Rest after the last round too" to add one there as well.

Q4. Can I skip the current step?

Click "Skip" to end the current step (a round or a rest period) immediately and move on to the next one.

Q5. Is my set duration sent to a server?

No. All calculations happen entirely in your browser and are never sent to or stored on a server. Settings like round length and rest duration are saved only in this browser, though, so they carry over next time you open the page.

Favorites

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