43 BPM in milliseconds
At 43 BPM one beat lasts 1,395.3 ms, which is 0.72 beats per second. One bar of 4/4 takes 5.58 seconds.
Largo usually means about 40–59 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 5,581.4 | 8,372.1 | 3,720.9 |
| Half | 2,790.7 | 4,186.0 | 1,860.5 |
| Quarter | 1,395.3 | 2,093.0 | 930.2 |
| Eighth | 697.7 | 1,046.5 | 465.1 |
| 16th | 348.8 | 523.3 | 232.6 |
| 32nd | 174.4 | 261.6 | 116.3 |