66 BPM in numbers
| One beat (quarter note) | 909.1 ms |
| Eighth note | 454.5 ms |
| Dotted eighth | 681.8 ms |
| Sixteenth note | 227.3 ms |
| One bar of 4/4 | 3.64 s |
| Beats per second | 1.1 |
| Bars of 4/4 in one minute | 16.5 |
The classical tempo marking for 66 BPM is Adagio (see the tempo markings chart). 66 BPM is a common tempo for ballads and slow R&B. Counted in double-time it's 132 BPM, the pace of techno.
As a resting heart rate, 66 BPM is inside the normal adult range of 60 to 100. To measure your own, use the heart rate counter.
Every delay length at 66 BPM, including triplets, is in the BPM to ms calculator. Not sure your song is really at 66? Tap along to check.