135 BPM in milliseconds
At 135 BPM one beat lasts 444.4 ms, which is 2.25 beats per second. One bar of 4/4 takes 1.78 seconds.
Allegro usually means about 120–167 BPM.
| Note | Straight | Dotted | Triplet |
|---|---|---|---|
| Whole | 1,777.8 | 2,666.7 | 1,185.2 |
| Half | 888.9 | 1,333.3 | 592.6 |
| Quarter | 444.4 | 666.7 | 296.3 |
| Eighth | 222.2 | 333.3 | 148.1 |
| 16th | 111.1 | 166.7 | 74.1 |
| 32nd | 55.6 | 83.3 | 37.0 |