51 BPM in milliseconds
At 51 BPM one beat lasts 1,176.5 ms, which is 0.85 beats per second. One bar of 4/4 takes 4.71 seconds.
Largo usually means about 40–59 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 4,705.9 | 7,058.8 | 3,137.3 |
| Half | 2,352.9 | 3,529.4 | 1,568.6 |
| Quarter | 1,176.5 | 1,764.7 | 784.3 |
| Eighth | 588.2 | 882.4 | 392.2 |
| 16th | 294.1 | 441.2 | 196.1 |
| 32nd | 147.1 | 220.6 | 98.0 |