Delay Time Calculator
Find note delay times in ms from BPM.
Set delay and reverb times in sync with your track's tempo.
How the Math Works
The Delay Time Calculator uses a fundamental musical timing formula to convert beats per minute (BPM) into precise millisecond durations for note delays. At its core, the calculation divides 60,000 milliseconds (the total milliseconds in one minute) by the tempo value in BPM. This yields the duration of a quarter note in milliseconds: Quarter Note ms = 60000 ÷ BPM. For example, at 120 BPM, one quarter note lasts exactly 500 milliseconds (60000 ÷ 120 = 500). The mathematical relationship is inversely proportional - as BPM increases, the delay time decreases, reflecting faster musical tempos.
Practical Applications
To use this calculator in music production, first determine your track's BPM using a metronome or digital audio workstation. Input this value to instantly find your quarter note delay time in milliseconds. For common delay effects, multiply this base value: eighth notes use half the quarter note time, dotted eighth notes use 1.5 times, and sixteenth notes use a quarter. If your tempo is 90 BPM, the quarter note delay is 666.67 ms, making your eighth note delay 333.33 ms. Simply apply these millisecond values directly in your DAW's delay plugin for perfectly timed repeats that lock with your musical grid.
Day-to-Day Use
This calculation bridges the gap between musical theory and digital creativity, helping musicians of all levels achieve professional-sounding results quickly. Whether you're programming delays for a hip-hop beat, creating slapback echoes for rockabilly, or designing complex rhythmic patterns in electronic music, knowing exact millisecond values ensures your effects enhance rather than muddy your mix. The calculator eliminates guesswork and tedious manual calculations, saving hours of trial-and-error experimentation while building your intuitive understanding of tempo relationships - skills that transfer to any time-based musical production work.
Worked example
120 BPM → 500 ms quarter, 250 ms eighth.
FAQ
Dotted note?
1.5× the base value (a dotted eighth is 75% of a quarter).