90 BPM to MS
At 90 BPM, a quarter note lasts 666.67 ms, an eighth note 333.33 ms and a sixteenth note 166.67 ms. One bar of 4/4 lasts 2.67 s.
| Note | Straight (ms) | Dotted (ms) | Triplet (ms) | Hz |
|---|---|---|---|---|
| 1/1 | 2666.67 | 4000.00 | 1777.78 | 0.38 |
| 1/2 | 1333.33 | 2000.00 | 888.89 | 0.75 |
| 1/4 | 666.67 | 1000.00 | 444.44 | 1.50 |
| 1/8 | 333.33 | 500.00 | 222.22 | 3.00 |
| 1/16 | 166.67 | 250.00 | 111.11 | 6.00 |
| 1/32 | 83.33 | 125.00 | 55.56 | 12.00 |