Milliseconds to BPM Calculator
Convert millisecond note durations into exact Beats Per Minute (BPM). Calculate song tempo from delay repeat times, sample loops, or hardware echo settings.
Enter the duration of one beat (quarter note) or subdivision in milliseconds:
BPM = 60,000 ÷ Quarter Note (ms)
How to Convert Milliseconds to BPM
Converting milliseconds to Beats Per Minute is the exact mathematical inverse of converting BPM to milliseconds. Since one minute contains 60,000 milliseconds, dividing 60,000 by the duration of one quarter note (in ms) gives you the tempo in BPM.
The MS to BPM Formula
BPM = 60,000 ÷ Quarter Note (ms)
Example: If a sample loop's quarter note measure is 666.7 ms:
60,000 ÷ 666.7 = 90.0 BPM
Practical Production Use Cases
- Sample Loop Tempo Detection: Measure the length of one beat in your audio editor (in ms) and convert it to discover the exact master tempo of unlabelled vocal chops or drum loops.
- Hardware Echo Calibration: If an analog delay pedal or vintage rack unit has a millisecond readout, calculate its equivalent BPM to sync it with your DAW project.
- Synthesizer LFO Synchronization: Convert free-running synth LFO cycle times in milliseconds to lock LFO filter sweeps to track tempo.
Common Millisecond Durations to BPM
Reference list of quarter note durations in milliseconds and their corresponding tempo in Beats Per Minute.
| Quarter Note Duration (ms) | Calculated Tempo (BPM) | Common Musical Genre |
|---|---|---|
| 1,000 ms | 60 BPM | Slow Ballad / Ambient |
| 750 ms | 80 BPM | R&B / Soul / Hip-Hop |
| 666.7 ms | 90 BPM | Boom Bap / Lo-Fi |
| 600 ms | 100 BPM | Pop / Reggaeton |
| 500 ms | 120 BPM | House / Dance |
| 468.8 ms | 128 BPM | EDM / Techno |
| 428.6 ms | 140 BPM | Dubstep / Trap |
| 375 ms | 160 BPM | Punk / Melodic DnB |
| 352.9 ms | 170 BPM | Drum & Bass |
Explore Related Production Calculators
BPM to Milliseconds
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Calculate pre-delay and RT60 decay values from track tempo.