BPM: Jazz Coffee Pt 4

Give tempo and time signature

The speed at which music is played/performed is expressed as beats-per-minute or BPM. The more BPM, the faster the music goes. Most music uses the same BPM range as the human heartbeat: 60-140 bpm.
A base of 16 means that the bar is divided in 16 parts of length 1/16. The most common bases are 4, 8, 16 or 32. Use base 12 or 24 if you also want calculations for triplets.
This is also used in "Quantising": the process of snapping notes to the nearest beat subdivision.

Quick BPM overview

Beats per minute
84.6 BPM
Beats per bar
4 beats
Bars per minute
21.2
Length of 1 beat
0.7092 sec
Length of 1 bar
2.8369 sec
Beats per second
1.41 Hz

Fractions for base 16

These are some common fractions (handy for setting delays, LFO and modulation parameters)


1/16
1/16
6.25%
177 ms
5.64 Hz

2/16
1/8
12.5%
355 ms
2.82 Hz

3/16
3/16
18.75%
532 ms
1.88 Hz

4/16
1/4
25%
709 ms
1.41 Hz

5/16
5/16
31.25%
887 ms
1.13 Hz

6/16
3/8
37.5%
1 064 ms
0.940 Hz

7/16
7/16
43.75%
1 241 ms
0.806 Hz

8/16
1/2
50%
1 418 ms
0.705 Hz

9/16
9/16
56.25%
1 596 ms
0.627 Hz

10/16
5/8
62.5%
1 773 ms
0.564 Hz

11/16
11/16
68.75%
1 950 ms
0.513 Hz

12/16
3/4
75%
2 128 ms
0.470 Hz

13/16
13/16
81.25%
2 305 ms
0.434 Hz

14/16
7/8
87.5%
2 482 ms
0.403 Hz

15/16
15/16
93.75%
2 660 ms
0.376 Hz

16/16
1/1
100%
2 837 ms
0.353 Hz

24/16
3/2
150%
4 255 ms
0.235 Hz

32/16
2/1
200%
5 674 ms
0.176 Hz

48/16
3/1
300%
8 511 ms
0.117 Hz

64/16
4/1
400%
11 348 ms
0.0881 Hz

How to use this page

If you have a 135 BPM song, and you want a phase modulation of 4 beats: that is 1.778 sec
If you have a 98 BPM song in a measure of 3/4, and you want to know how long 8 bars is: 14.7 sec
If you have a 128 BPM song, and you want an audio delay of 2/3 of a beat: this is 313 ms
If you have a 80 BPM song, and you want an LFO of 5/4 of a bar: this is 4687.5 ms

Musical genres

These are some popular modern music genres with typical BPM speeds.

Slow dub/reggae
Fast dub/reggae
Deep house
Slow house
Electro house
Trance
Dubstep
Hard house
Jungle
Drum&Bass
Gabber

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