Tools/BPM to ms calculator
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BPM to ms Calculator
Enter a tempo to get delay times in milliseconds and hertz for straight, dotted and triplet notes.
QUARTER NOTE500 msOne 4/4 bar: 2000 ms
| Note | Straight | Dotted | Triplet |
|---|
Enter a tempo from 20 to 400 BPM.
The formula
A quarter note lasts 60,000 ÷ BPM milliseconds. At 120 BPM that is 500 ms. Halve it for an eighth note and double it for a half note. A dotted note is 1.5 times the straight value, and a triplet is two thirds of it.
Setting a synced delay
Type the millisecond value into a delay that has no tempo sync, or use it to check a synced one. Dotted eighths (375 ms at 120 BPM) give the classic rolling echo; quarter and eighth notes sit tightly in the groove.
Reverb pre-delay and decay
A pre-delay of a 1/64 or 1/32 note keeps the start of a vocal clear of its reverb. For decay, a common starting point is a note value minus the pre-delay, so the tail finishes before the next beat or bar. Treat these as starting points and trust your ears.
Not sure of the tempo? Tap the BPM first, then come back.