Tempo & timing

BPM to Milliseconds Converter

Convert tempo into note lengths, delay times, and LFO timing in milliseconds.

By AudioLover Editorial Team  |  Published and reviewed October 4, 2026

Enter values

BPM

Result

Selected note lengthCalculating...
Cycle frequencyCalculating...
Quarter-note lengthCalculating...

A quarter note lasts 60,000 ÷ BPM milliseconds; note division and dotted or triplet feel scale that value.

Why convert BPM to milliseconds?

Tempo-synced effects work when delay, reverb pre-delay, modulation, gates, and edits follow the musical grid. The quarter-note duration is the reference: divide 60,000 milliseconds by BPM, then multiply it for longer notes or divide it for shorter notes.

Straight, dotted, and triplet timing

A dotted note lasts one and a half times the straight value. A triplet subdivision lasts two thirds of the corresponding straight value. These alternatives create different rhythmic movement without changing the session tempo.

Using the result in a DAW

Enter the millisecond result when a plug-in cannot sync directly to host tempo. Small offsets can be musically useful, so treat the grid value as a clean starting point rather than a rule. Automation and tempo maps require recalculation when BPM changes.

Avoiding timing mistakes

Confirm whether a device labels divisions by note length or by rate, and whether it already applies dotted or triplet scaling. Very long feedback settings can build excessive level even when the delay time itself is correct.

How the calculation works

A quarter note lasts 60,000 ÷ BPM milliseconds; note division and dotted or triplet feel scale that value.

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Frequently asked questions

How many milliseconds is 120 BPM?

A quarter note at 120 BPM is 500 milliseconds.

What is a dotted eighth at 120 BPM?

A straight eighth is 250 ms, so a dotted eighth is 375 ms.