Audio delay calculator

Give the tempo and the time signature

Express the length of the delay as fractions of a bar

Musical tempo

Beats per minute
135BPM
Beats per bar
4 beats
Delay fraction
5/8 bar

Converted to seconds

Length of 1 beat
0.444 sec
2.25 Hz
Length of 1 bar
1.778 sec
0.562 Hz
Delay length
1.111 sec
0.9 Hz

Repeated delays

A repeated delay syncs with the beat after 8 delays = 5 bars

1 reps
5/8
1111.1 ms
2 reps
5/4
2.222 sec
3 reps
15/8
3.333 sec
4 reps
5/2
4.445 sec
5 reps
25/8
5.556 sec
6 reps
15/4
6.667 sec
7 reps
35/8
7.778 sec
8 reps
5
8.889 sec

Visualized

1 bar2 bars3 bars4 bars5 bar6 bars7 bars8 bars
1 2 3 4 5 6 7 8

How to use this page

If you have a 135 BPM song, and you want a phase modulation of 4 beats (1 bar): that is 1777.6 ms
If you have a 128 BPM song, and you want an audio delay of 2/3 of a beat: this is 312.5 ms

Music calculators & converters

Beats-per-minute
Convert BPM to Hz, bar length, fractions
Audio delay
Calculate audio delay length in msec
Music Frequency
Convert pitch to musical note and wavelength
Song length
Calculate song length from BPM
Music Scale
Generate scales with frequencies
Tap your tempo
Tap to find the BPM of a song or a heartbeat