100 BPM to Milliseconds
Note lengths and delay times at 100 BPM — the tempo of mainstream pop, funk and summer radio. Use the table below to set delay repeats, reverb pre-delay, LFO rates and sequencer steps that lock to the groove.
Note lengths at 100 BPM
One beat (a quarter note) = 600.00 ms. Values are exact for a straight 100 BPM grid.
| Note value | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole note (1/1) | 2400.00 | 3600.00 | 1600.00 |
| Half note (1/2) | 1200.00 | 1800.00 | 800.00 |
| Quarter note (1/4) | 600.00 | 900.00 | 400.00 |
| Eighth note (1/8) | 300.00 | 450.00 | 200.00 |
| Sixteenth note (1/16) | 150.00 | 225.00 | 100.00 |
| 32nd note (1/32) | 75.00 | 112.50 | 50.00 |
| One bar (4/4) | 2400.00 | 3600.00 | 1600.00 |
Set your delay and reverb to 100 BPM
The most common reason to need these numbers is a tempo-locked delay. A delay set to an exact note value stays glued to the rhythm; a delay set to an arbitrary number slowly drifts out of time. At 100 BPM:
- Dotted eighth (450.00 ms) — the classic choice; falls between beats and fills gaps without clutter.
- Eighth (300.00 ms) — tighter, doubles the repeat density.
- Quarter (600.00 ms) — clear repeats sitting on every beat.
- Bar (2400.00 ms, 4/4) — a slow, spacious echo.
How 100 BPM compares to nearby tempos
Frequently asked questions
- How do you convert 100 BPM to milliseconds?
- One beat lasts 60,000 ÷ 100 ≈ 600.00 ms. Every other note value scales from that single number: a half note is twice the beat, an eighth note is half, a sixteenth is a quarter, and so on.
- What is one beat (a quarter note) in milliseconds at 100 BPM?
- At 100 BPM a quarter note — one beat — is 600.00 ms. That is the anchor for every delay, reverb pre-delay and sequencer step at this tempo.
- What delay time matches 100 BPM?
- The classic choice is a dotted eighth note, which lands between beats and fills the gaps without cluttering the groove. At 100 BPM an eighth note is 300.00 ms, so a dotted eighth is 450.00 ms. A straight eighth (300.00 ms) doubles the repeat density; a quarter note (600.00 ms) sits on every beat.
- How long is one bar at 100 BPM in 4/4?
- A bar of 4/4 holds four beats, so at 100 BPM it lasts about 2400.00 ms. For other time signatures multiply the quarter-note length by the number of beats per bar.
Last updated: 2026-09-01