12NOTEZ · Free Tool

138 BPM Metronome

Allegro — fast, bright and lively. 434.8 ms per beat.

138
BPM · Allegro

Tip: press Space to start/stop, and tap the Tap button in time to set the tempo by ear.

Add this metronome to your site — free

Teachers, bloggers and band sites: paste this snippet to embed the metronome anywhere. No signup, works on mobile.

<iframe src="https://12notez.in/embed/metronome" width="100%" height="540" style="border:0;border-radius:12px;max-width:380px" title="Free Online Metronome by 12NOTEZ" loading="lazy"></iframe>

This online metronome is precisely calibrated to 138 BPM (Beats Per Minute). Whether you are practicing a difficult passage, recording to a click track in the studio, or trying to establish a rock-solid internal sense of time, practicing at 138 BPM is essential. In classical terminology, this tempo is known as Allegro (meaning "fast, bright and lively").

The Mathematics of 138 BPM

Tempo is entirely mathematical. At 138 BPM, you are playing exactly 2.3 beats every second. If you are producing music in a DAW (like Ableton, FL Studio, or Logic Pro) and need to set delay or reverb times manually, the exact length of one beat (a quarter note) at 138 BPM is 434.8 milliseconds.

  • Quarter Note (1 beat): 434.8 ms
  • Eighth Note (1/2 beat): 217.4 ms
  • Sixteenth Note (1/4 beat): 108.7 ms
  • Full 4/4 Bar (4 beats): 1.74 seconds

Musical Context: trance, techno, hard dance and fast Punjabi tracks

Every tempo naturally lends itself to certain physical grooves and emotional responses. At 138 BPM, the music tends to feel fast, bright and lively. Because of this, you will frequently find 138 BPM used heavily in trance, techno, hard dance and fast Punjabi tracks.

Performance-range for most pop, Bollywood and dance music — practise here once the notes are clean at a slower tempo.

The Psychology of the Click Track

When you first start practicing at 138 BPM, you might feel like the click is constantly speeding up or slowing down. This is a well-documented psychological phenomenon. The metronome is perfectly steady; it is actually your internal chronometric clock that is fluctuating. Humans naturally want to rush ahead of the beat during loud or exciting passages, and drag behind the beat during quiet or complex passages.

How to Master 138 BPM

To truly lock in your timing at 138 BPM, try the "Disappearing Click" method:

  1. Set the metronome to 138 BPM and play a simple scale or drum rudiment.
  2. Focus entirely on the exact transient (the very beginning) of the click.
  3. Attempt to play your note so perfectly in time with the click that your instrument's sound completely masks the click. When you hit it perfectly, the metronome will seem to disappear.

If 138 BPM is too fast to play your piece cleanly, do not force it. Drop the tempo by 10-15 BPM, play it flawlessly three times in a row, and then slowly bring it back up to 138.

Songs at ~138 BPM

Real tracks near this tempo — play along with the metronome to practise.

Browse all 1M+ songs →

Not sure what BPM a track is?

Upload any MP3 or search for a song to detect its exact tempo and key.

Open AI Key & Tempo Finder

Frequently Asked Questions

What tempo marking is 138 BPM?

In classical music, 138 BPM falls under the Allegro tempo marking, which translates to "fast, bright and lively". The Allegro range generally covers 120–155 BPM.

How many milliseconds is one beat at 138 BPM?

At 138 BPM, the exact delay time between each quarter-note beat is 434.8 milliseconds. This means there are 2.3 beats per second, and a full bar of 4/4 time lasts exactly 1.74 seconds.

What genres of music use 138 BPM?

Because it feels fast, bright and lively, 138 BPM is incredibly common in trance, techno, hard dance and fast Punjabi tracks.

Is 138 BPM fast or slow?

At 138 beats per minute, the tempo feels fast, bright and lively. Performance-range for most pop, Bollywood and dance music — practise here once the notes are clean at a slower tempo.

How do you count 138 BPM?

To count quarter notes at 138 BPM, simply count "1, 2, 3, 4" evenly along with the click. To count eighth notes (subdivisions), count "1-and, 2-and, 3-and, 4-and".

Need a different tempo? Use the full online metronome with tap-tempo, time signatures and subdivisions, or find any song's BPM in our database.