48 BPM in milliseconds
At 48 BPM one beat lasts 1,250.0 ms, which is 0.8 beats per second. One bar of 4/4 takes 5 seconds.
Largo usually means about 40–59 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 5,000.0 | 7,500.0 | 3,333.3 |
| Half | 2,500.0 | 3,750.0 | 1,666.7 |
| Quarter | 1,250.0 | 1,875.0 | 833.3 |
| Eighth | 625.0 | 937.5 | 416.7 |
| 16th | 312.5 | 468.8 | 208.3 |
| 32nd | 156.3 | 234.4 | 104.2 |