40 BPM metronome
An online metronome set to 40 BPM: 40 beats per minute, 1,500 ms per beat. That's Largo tempo. Press start, then fine-tune with the slider or tap tempo if you need to.
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Note lengths at 40 BPM
| Note | Length | Per minute |
|---|---|---|
| Whole note | 6,000 ms | 10 |
| Half note | 3,000 ms | 20 |
| Quarter note | 1,500 ms | 40 |
| Eighth note | 750 ms | 80 |
| Eighth-note triplet | 500 ms | 120 |
| Sixteenth note | 375 ms | 160 |
With the quarter note at 40 BPM. Handy for delay settings too: a quarter-note echo is 1,500 ms, a dotted-eighth echo 1,125 ms.
Practice tip
A slow tempo: ideal for learning a new piece, a tricky run or a chord change. You have time for every note, so focus on clean sound and a relaxed hand.
Other tempos
Time signatures and tempo markings
Frequently asked questions
How many milliseconds is one beat at 40 BPM?
60,000 / 40 = 1,500 ms per quarter note; an eighth note is 750 ms and a sixteenth is 375 ms.
How fast is 40 BPM?
0.7 beats per second (0.7 Hz). In Italian tempo terms that's Largo. A calm, slow pulse; a resting heart beats around 60–80.
How do I speed up gradually?
Turn on the metronome's tempo trainer: set a target tempo, a step and how many bars between steps, and it speeds up on its own.
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