Free tools/Tempo Tools/ms → BPM Converter

ms → BPM Converter

Convert milliseconds to BPM.

artyphonic.com/tools/ms-to-bpmFree · no sign-in

Convert a millisecond value back into BPM. Use it when a delay unit, sample length, or timing note gives you milliseconds and you need to understand the tempo relationship behind it.

milliseconds → BPM
Live
Time in ms
ms
Interpret ms as
500.00ms · 1/4
120.00BPM
All interpretationsIf 500ms were…
NoteResulting BPM
1/1480.00 BPM
1/2240.00 BPM
1/4120.00 BPM
1/860.00 BPM
1/1630.00 BPM
1/3215.00 BPM

When to use this

You have a delay time in milliseconds — from vintage gear, a producer's note — and want to know what BPM it locks to. Or: you sampled a loop and want to find its tempo.

How to read the table

The same ms value lines up with multiple BPMs depending on which note length it represents. The table shows all of them so you can spot which matches your project tempo.

The math

BPM = (60,000 ÷ ms) × note factor

500ms as a quarter note → 120 BPM. As an eighth → 60 BPM.

Frequently asked questions

How do you convert milliseconds to BPM?
Divide 60,000 by the millisecond value. A 500 ms interval equals 120 BPM. A 375 ms interval equals 160 BPM.
When would I need to convert ms to BPM?
Use it when a sample length, loop length, or delay unit gives you a millisecond value and you need to find the corresponding tempo or note value behind it.
How do I find the BPM of a sample loop?
Measure the loop length in milliseconds, then divide 60,000 by that number. If the loop is 2,000 ms long and covers two bars of 4/4, divide by 2 first to get the one-bar length, then apply the formula.
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