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Audio Delay to BPM

Convert audio delay time in milliseconds to BPM and back, with note values from whole notes to 16ths.

Delay and tempo

Pick a direction, then enter the value.

Tempo
-

Enter a value to convert.

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The delay tempo math

A quarter note lasts 60,000 divided by BPM milliseconds. Other note values scale from that: a dotted eighth is 0.75 of a quarter, an eighth is half, a sixteenth is a quarter. Converting either direction is one division or multiplication.

Why dotted eighths sound magical

A dotted eighth delay at the song tempo creates the classic rhythmic echo heard on countless guitar records. The repeats land between the beats, filling space without cluttering the groove, which is why it is the default on so many delay pedals.

Audio Delay to BPM FAQs

What delay time for 120 BPM dotted eighth?
A quarter note at 120 BPM is 500 ms, so a dotted eighth (0.75x) is 375 ms. Enter 120 BPM above with dotted 8th selected to verify.
How do I sync my delay pedal to the song?
Find the song tempo, pick a note value like dotted eighth, and dial the calculated milliseconds into the pedal. Many modern pedals also accept tap tempo.
What is ping pong delay timing?
Each side alternates, so set each repeat to the note value you want per side, often an eighth note each. The combined pattern then spans a quarter note.
Should delay be exactly on the grid?
Usually yes for rhythmic parts, but pushing it slightly late (a few ms) can make it sit behind the beat in a musical way. Start exact, then nudge by ear.
What note value for slapback echo?
Slapback is a single short repeat, typically 80 to 140 ms regardless of tempo. It is a fixed time effect rather than a tempo synced one.
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