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123 BPM metronome

Set to 123 BPM (Allegro). Press Start — no sign-up. You can change the meter, accents and subdivisions below.

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BPM — Allegro

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123 BPM in milliseconds

At 123 BPM one beat lasts 487.8 ms, which is 2.05 beats per second. One bar of 4/4 takes 1.95 seconds.

Allegro usually means about 120–167 BPM.

Note lengths at 123 BPM (quarter note = 1 beat), in milliseconds — useful for delay and reverb times.
Note Straight Dotted Triplet
Whole 1,951.2 2,926.8 1,300.8
Half 975.6 1,463.4 650.4
Quarter 487.8 731.7 325.2
Eighth 243.9 365.9 162.6
16th 122.0 182.9 81.3
32nd 61.0 91.5 40.7

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