500 msQuarter-note duration
Half note1000 ms
Eighth note250 ms
Sixteenth note125 ms
Dotted eighth375 ms
Eighth triplet166.67 ms
Thirty-second note62.5 ms

Calculation: 60,000 ÷ BPM for one quarter note. Enter 1–999 BPM.

How it works

A quarter note lasts 60,000 ÷ BPM milliseconds. The other values multiply that duration by their rhythmic length. The calculation is general; a hardware delay may use its own display or clock behavior.