81 BPM in milliseconds
At 81 BPM one beat lasts 740.7 ms, which is 1.35 beats per second. One bar of 4/4 takes 2.96 seconds.
Andante usually means about 76–107 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 2,963.0 | 4,444.4 | 1,975.3 |
| Half | 1,481.5 | 2,222.2 | 987.7 |
| Quarter | 740.7 | 1,111.1 | 493.8 |
| Eighth | 370.4 | 555.6 | 246.9 |
| 16th | 185.2 | 277.8 | 123.5 |
| 32nd | 92.6 | 138.9 | 61.7 |