64 BPM in milliseconds
At 64 BPM one beat lasts 937.5 ms, which is 1.07 beats per second. One bar of 4/4 takes 3.75 seconds.
Larghetto usually means about 60–65 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 3,750.0 | 5,625.0 | 2,500.0 |
| Half | 1,875.0 | 2,812.5 | 1,250.0 |
| Quarter | 937.5 | 1,406.3 | 625.0 |
| Eighth | 468.8 | 703.1 | 312.5 |
| 16th | 234.4 | 351.6 | 156.3 |
| 32nd | 117.2 | 175.8 | 78.1 |