Delay time·90 BPM · dotted quarter
90 BPM · dotted quarter
1000
ms
Frequency 1 Hz

90 BPM dotted quarter — 1000 ms

At 90 BPM a dotted quarter lasts 1000 ms. One beat is 666.67 ms and a bar is 2666.67 ms.

Tempo
90 BPM
Note
dotted quarter
Length
1000 ms
Frequency
1 Hz
One beat
666.67 ms
One bar
2666.67 ms
Per bar
2.667

Reverb and LFO use the same number

Set a reverb’s pre-delay and decay to these figures and the tail lands on the beat. LFOs are often dialled in hertz rather than milliseconds, so the table also gives 1,000 divided by the length — that is the rate to use for a tremolo or auto-pan locked to eighth notes.

Nearby cells

Same tempo, other notes

Same note, other tempos

Worth knowing

  • One beat is 60,000 divided by the tempo; every other note is a multiple of it.
  • A dot adds half the value back; a triplet is two thirds.
  • LFOs are often set in hertz rather than milliseconds, so that figure is here too.
  • The bar figures assume a 4/4 time signature.

Common questions

Q. How many milliseconds is a dotted quarter at 90 BPM?

1000 ms. One beat is 666.67 ms, and this length is a multiple of it.

Q. What rate do I give an LFO?

1 Hz — that is 1,000 divided by 1000, the rate for a tremolo or auto-pan locked to this note.

Q. How many fit in a bar?

2.667, because a bar runs 2666.67 ms in 4/4.

Q. What is one step shorter?

A quarter note, which tightens the pattern.