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Boxing Round Timer

Set the round length, the rest and the number of rounds. A bell marks each change, and a cue appears at ten seconds left.

05:00
Press Start
Display:
Alarm sound
More options
Generated in your browser. Not recorded music.

Space bar starts and pauses. Settings are kept in your browser only.

A round timer repeats a work period and a rest period for a set number of rounds. This one is set up for boxing: a three-minute round, a one-minute rest, and a clear warning ten seconds before each round ends.

How to use it

  1. Set the round length in minutes, the rest in seconds and the number of rounds, or press a preset.
  2. Press Start. The screen shows "Round 1 of 3" and counts down.
  3. At ten seconds the display turns red and shows a warning. When the round ends, a bell rings and the rest begins.
  4. After the last round, the full alarm rings.

Use Full screen and a phone or tablet stand so the clock is visible while you move. Press Test sound and set the volume above your music or the gym noise.

Other uses

  • Kickboxing, Muay Thai and MMA drills. Round lengths vary by discipline and level. Set what your club uses.
  • Brazilian jiu-jitsu and wrestling rolls. Often five minutes with a short rest. The 8 × 5:00 preset is a starting point.
  • Pad rounds and technique work. Use short rounds with a longer rest while learning combinations.
  • Circuit classes. Rounds of exercise stations with a rest between each.

The interval timer is the same engine with second-based work times, which suits shorter intervals. For a single three-minute round, use the 3 minute timer.

Safety: a timer does not replace supervision, and sparring and combat sports carry a risk of injury. Train with qualified coaching, wear appropriate protection and stop if you are hurt.

Typical round structures

UseRoundRestNotes
Heavy bag or pad work3 min1 minThree-minute rounds with a one-minute break are commonly used in boxing training
Shadow boxing warm-up3 min30 to 60 secLight rounds before harder work
Sparring2 to 3 min1 minSet by your coach and your level
Conditioning1 to 2 min30 to 60 secShorter and more intense

Rules for competition round length differ with organisation, age, sex and level. Check with your governing body or coach. This page lets you use any lengths you like.

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Common questions

How long is a boxing round?

Three minutes is common in boxing, with a one-minute rest, but competition rules differ by organisation, age and sex. Check the rules that apply to you.

Can I use it for MMA or BJJ?

Yes. Set the round length and rest to whatever your discipline uses.

What is the warning at ten seconds?

The display turns red and shows "10 seconds left", with a soft tone.

Does the bell sound change between round and rest?

The same bell sound plays at each change. You can choose a different sound in the menu.

Can I set an uneven number of rounds?

Yes, anything from 1 to 30.

Will it work offline?

Once loaded, it keeps working without a connection, because the timer runs in your browser.

Can I make the sound louder?

Use the volume slider under More options, and the device volume. Press Test sound.