138 BPM metronome

Set to 138 BPM (Allegro). Press Start — no sign-up. You can change the meter, accents and subdivisions below.

Tap a beat to change its accent

BPM — Allegro

Time signature

Subdivision

Today 0:00

138 BPM in milliseconds

At 138 BPM one beat lasts 434.8 ms, which is 2.3 beats per second. One bar of 4/4 takes 1.74 seconds.

Allegro usually means about 120–167 BPM.

Note lengths at 138 BPM (quarter note = 1 beat), in milliseconds — useful for delay and reverb times.
Note	Straight	Dotted	Triplet
Whole	1,739.1	2,608.7	1,159.4
Half	869.6	1,304.3	579.7
Quarter	434.8	652.2	289.9
Eighth	217.4	326.1	144.9
16th	108.7	163.0	72.5
32nd	54.3	81.5	36.2