Online Metronome for Guitar, Piano and Drums

An online tool for practicing with a metronome: a precise click from 10 to 400 beats per minute, any time signature from 2/4 to 12/8, accents on every beat, triplets and sixteenths. The metronome keeps time in a background tab, and the trainer raises the tempo to your goal.

How to use the metronome

1
Set the tempo

Drag the scale, press the number to type it, or tap the tempo with the Tap button.

2
Choose the meter and subdivision

Time signature and sound are above the number, the subdivision is under the beat bars. Press a bar to make its beat strong, soft or silent.

3
Press Start or the space bar

Below the metronome: count-in, speed trainer, timer, silent bars, polyrhythm and an MP3 click track.

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Set the tempo and meter — and play in time with a precise click

Largo Adagio Andante Moderato Allegro Presto Prestissimo 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400

Press a bar to make that beat strong, soft or silent

Time signature

In quarters

In eighths

In halves

Custom time signature

Beats 4 Note value

The tempo counts the note value shown next to the number.

Sound

Volume

Light offset: 0 ms

If a beat lights up before you hear the click (Bluetooth headphones lag 100–250 ms), move the light to the right.

Groove

Tempo

Mechanical metronome scale

Ranges are a guide from the scale of a mechanical metronome; composers and performers read them differently.

Not sure of a song’s tempo? Detect its BPM from the file

Subdivision

Swing from the Practice section acts on eighths and sixteenths.

Practice

Speed trainerThe metronome raises the tempo to your goal Off
To
By every bars

Start at a tempo you can play without mistakes and add 2–4 beats at a time. After Stop the tempo returns to where it started, so the next Start repeats the exercise. A goal below the starting tempo slows down instead.

Practice timerStops the metronome after the time you set Off

Time is counted from pressing Start.

Silent barsCheck whether you hold the tempo without the click Off

The metronome goes quiet while the beats on the screen keep moving. If you land on the click when it comes back, the tempo is yours.

SwingUneven eighths for jazz, blues and funk Off

Swing amount: 0%

The second eighth of every pair moves later. If the beat is not subdivided, the metronome switches on eighths for you.

PolyrhythmA second layer of clicks over the bar Off
Clicks per bar
Sound

Second layer volume

Second-layer clicks split the bar evenly and meet the main beat on one. For 3 against 2, choose 2/4.

ProgramSections with different tempos and meters in a row 0

Each section plays for its number of bars, then the metronome moves on to the next. The program is saved on this device.

Sound designerReshape any sound or use your own Off

Start from any sound and reshape it — pitch, length, tone, the downbeat and a tick-tock. The sound is saved in this browser: pick it in the metronome and the minute of silence, send it in a link or download it as WAV.

Click track fileMP3 or WAV for recording, a player or practice offline MP3
Bars
Minutes
Custom min:sec — 0:46, 46 or 1.30

Minute of silence

The metronome counts exactly as long as you need — even 46 seconds — and stops by itself. Choose the tick and tempo, add a signal, start right away or at an exact clock time, and put the countdown on the full screen for the hall. The radio metronome of besieged Leningrad ticked at 50 beats per minute.

Minute of silence

1:00

Length

Custommin:sec — 0:46, 46 or 1.30

Sound

Tempo

BPM

Signal at the start and the end

Start

Text on the screen

Sound designer

Start from any sound and reshape it — pitch, length, tone, the downbeat and a tick-tock. The sound is saved in this browser: pick it in the metronome and the minute of silence, send it in a link or download it as WAV.

Start from

Your own sound from a file
Your own sound from a file
WAV, MP3, M4A, OGG, FLAC ·

A short hit or click from a file: leading silence is cut and the first 0.3 seconds are kept. The file is saved in this browser.

Whole sound
Downbeat
Subdivisions
Tick-tock

Every second beat sounds lower — like a pendulum clock. The Clock sound always has its own tick-tock.
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Features

Clicks on the audio clock
Each beat is placed by the audio device’s clock rather than a page timer, so intervals stay even at any tempo and the ball and light arrive exactly with the click.
Keeps time in the background
Counting runs in a separate thread: the metronome keeps clicking while your sheet music is open in another tab, and the phone screen stays on while it plays.
Any meter, 11 subdivisions
From 1/2 to 16/16, compound 6/8 and 12/8 counted in beats or in eighths, groupings like 2+2+3 and 3+2; eighths, triplets, shuffle, quintuplets and sextuplets — each subdivision shown as written notes.
Your own metronome sound
Take any of 12 sounds or your own file and change its pitch, length, tone, downbeat and tick-tock — the sound is saved in the browser and downloads as WAV.
Speed trainer, timer and silent bars
The trainer adds 2–4 beats every few bars, the timer ends the session, and silent bars check whether you keep the rhythm yourself.
Click tracks in MP3 and WAV
A file of up to 30 minutes with the same accents, subdivision, swing and second layer you hear, plus a count-in bar at the start.

Tempo markings: from Largo to Presto

A tempo marking in a score is a guide, not an exact number. Below is the scale printed under the pendulum of a mechanical metronome; the metronome above shows the marking for the current tempo under the number.

MarkingBeats per minuteMeaning
Grave< 40heavy, very slow
Largo40–60broad, slow
Larghetto60–66a little faster than largo
Adagio66–76calm, unhurried
Andante76–108at a walking pace
Moderato108–120moderate
Allegro120–168fast, lively
Presto168–200very fast
Prestissimo200+as fast as possible

Wittner scale for mechanical metronomes. Musicians read these words differently: Allegro in Mozart and in Shostakovich does not sound the same.

How to count 6/8, 9/8 and 12/8

In compound meters the beat is a dotted quarter, not an eighth: 6/8 is counted in two (ONE-and-a TWO-and-a), 9/8 in three, 12/8 in four. That is why the metronome sets the tempo of these meters in dotted quarters and splits each beat into three eighths right away. At a slow tempo, until the count settles, choose “In 6 eighths” in the time signature menu — then every eighth clicks.

How to practice with a metronome

  1. Find the tempo at which the passage plays without a single mistake, even if it is half the speed you need.
  2. Play it cleanly several times in a row and only then add 2–4 beats. The speed trainer does this for you.
  3. Turn on Silent bars: if you land on the click after the silence, you are keeping time, not the metronome.
  4. Move the accent to beats two and four — that is how jazz and rock are played, and it teaches you to feel the weak beats.

We measured it: how evenly the metronome places its clicks

Measured on October 30, 2026 on this page in Chromium 147 (Windows 11); the computer was 44–73% busy with other work at the time.

Not a single click off — from 40 to 400 beats per minute

We recorded the moment the metronome hands each click to the audio thread and compared the intervals with the ideal ones — 10 seconds for every tempo and every condition.

ConditionTempoClicks in 10 sLargest interval error
Normal tab40, 60, 120, 200, 300, 400all present0 µs
Background tab: the clock ticks once a second120 and 30020 of 20, 50 of 500 µs
Page busy 150 ms out of every 300120 and 30020 of 20, 50 of 500 µs
Clock thread silent 0.7 s out of every 2 s120 and 30020 of 20, 50 of 500 µs

The interval is counted on the audio clock, not on a page timer, and clicks are queued a second ahead. So even when the clock thread is starved by load, the next clicks are already waiting at the sound card.

For comparison — a metronome on a page timer

Many simple metronomes work this way: a timer once per beat that says "click now". Same tab, same conditions.

ConditionTempoLargest errorAverage error
Normal tab1209.3 ms5.5 ms
Normal tab30018.7 ms3.6 ms
Page busy 150 ms out of every 30012060 ms35.7 ms
Page busy 150 ms out of every 300300120 ms69.6 ms

A single displaced beat becomes audible at about 2.5% of the interval — around 12 ms at 120 beats per minute (Friberg and Sundberg, 1995); 60–120 ms sounds like stumbling. The browser audio clock moves in 2.7 ms steps, so page-timer errors below 3 ms are measurement noise.

We measured the moment a click is handed to the audio thread, not the sound from the speaker: the device and Bluetooth headphones add their own constant delay, which the metronome subtracts from the light. The background tab and the load are simulated here. On an iPhone, Safari may stop page sound altogether when the app is minimized — no queue helps with that. One browser and one computer.

The instrument is tests/playwright/metronome-timing-bench.mjs: it opens this page, intercepts AudioBufferSourceNode.start() and prints the table.

Questions and answers

Why can’t I hear the metronome on an iPhone?

Check the volume and whether Bluetooth headphones are connected. The iPhone silent switch mutes web page sound in Safari; the site asks the system for a playback mode that this switch leaves alone. If you turned off “Site sound in silent mode” in the site settings (left menu), the metronome stays silent along with the phone.

The click is late in Bluetooth headphones — what can I do?

Bluetooth delivers sound 100–250 ms late. The metronome shifts the light by the delay the browser reports; if a beat still lights up before the click, move it in Sound → Light offset. The click itself does not change. For playing along with a recording, wired headphones are more reliable.

How do I count 6/8, and why is the tempo lower than I expected?

6/8 has six eighths, but it is heard and conducted in two beats of three eighths: ONE-and-a TWO-and-a. So the tempo of 6/8 is set in dotted quarters — there is a ♩. next to the number. A tempo of 60 in 6/8 is 180 eighths per minute. At a slow tempo choose “In 6 eighths” in the time signature menu, and the metronome counts each one.

How does the speed trainer work?

Turn on Speed trainer, set the goal, the step and how many bars to wait between steps. In steps adds the step at once, Gradually spreads it across the bars. After Stop the tempo returns to where it started, so the next Start repeats the exercise. A goal below the starting tempo works as a slow-down.

What tempo is used for a minute of silence, and can I set my own length?

A minute-of-silence metronome usually ticks once a second — 60 beats per minute; the radio metronome of besieged Leningrad ticked at 50 and sped up during air raids. In the Minute of silence block any length works — type 0:46 or just 46 — and so do any sound and tempo; you can keep only a bell or gong at the start and the end. It starts right away, in 10 seconds or exactly at the clock time you set; the countdown opens full screen, and the sound downloads as MP3 or WAV.

Can I make my own metronome sound?

Yes: in the Sound menu press Customize sound… Start from any built-in sound — from a click to a bell — or a short file of your own, and change the pitch (up to 12 semitones up or down), length, tone, attack and level; the downbeat (it can even be another sound), the subdivisions and a tick-tock that makes every second beat lower are set separately. A saved sound stays in this browser: you can also use it for the minute of silence, send it in a link or download it as WAV.

What goes into the downloaded click track?

The tempo, meter, the accent of every beat, subdivision, swing, the second polyrhythm layer and silent bars — what you hear. The speed trainer and the program are not included: they are live practice helpers. Length is from 8 bars to 30 minutes, MP3 or WAV, with an optional count-in bar at the start.

How is a marking like Allegro or Andante different from an exact number?

Tempo markings are guides from the scale of a mechanical metronome: Andante 76–108, Moderato 108–120, Allegro 120–168 beats per minute. Composers and performers read them differently, so the metronome shows the marking for the current number, and you set the exact tempo.

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