Milliseconds per quarter, eighth, and dotted quarter at a tempo.
| Quarter (ms) | – |
| Eighth (ms) | – |
| Dotted quarter (ms) | – |
Use this calculator to set delay, reverb, or LFO times from a song's beats per minute.
A quarter-note beat is 60 000 ms ÷ BPM. 120 BPM is a 500 ms quarter, 250 ms eighth, and 750 ms dotted quarter (1.5× the quarter). Time signature is not used; every beat is treated as a quarter. Triplets are not listed.
BPM: Beats per minute, not zero.
Quarter (ms): Length of one beat.
Eighth (ms): Half of a quarter.
Dotted quarter (ms): A quarter plus an eighth.
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