124 BPM in milliseconds
At 124 BPM one beat lasts 483.9 ms, which is 2.07 beats per second. One bar of 4/4 takes 1.94 seconds.
Allegro usually means about 120–167 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 1,935.5 | 2,903.2 | 1,290.3 |
| Half | 967.7 | 1,451.6 | 645.2 |
| Quarter | 483.9 | 725.8 | 322.6 |
| Eighth | 241.9 | 362.9 | 161.3 |
| 16th | 121.0 | 181.5 | 80.6 |
| 32nd | 60.5 | 90.7 | 40.3 |