BPM: On Your Way

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
73.5 BPM
Beats per bar
4 beats
Bars per minute
18.4
Length of 1 beat
0.8163 sec
Length of 1 bar
3.2653 sec
Beats per second
1.225 Hz

Fractions for base 16

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


1/16
1/16
6.25%
204 ms
4.90 Hz

2/16
1/8
12.5%
408 ms
2.45 Hz

3/16
3/16
18.75%
612 ms
1.63 Hz

4/16
1/4
25%
816 ms
1.23 Hz

5/16
5/16
31.25%
1 020 ms
0.980 Hz

6/16
3/8
37.5%
1 224 ms
0.817 Hz

7/16
7/16
43.75%
1 429 ms
0.700 Hz

8/16
1/2
50%
1 633 ms
0.612 Hz

9/16
9/16
56.25%
1 837 ms
0.544 Hz

10/16
5/8
62.5%
2 041 ms
0.490 Hz

11/16
11/16
68.75%
2 245 ms
0.445 Hz

12/16
3/4
75%
2 449 ms
0.408 Hz

13/16
13/16
81.25%
2 653 ms
0.377 Hz

14/16
7/8
87.5%
2 857 ms
0.350 Hz

15/16
15/16
93.75%
3 061 ms
0.327 Hz

16/16
1/1
100%
3 265 ms
0.306 Hz

24/16
3/2
150%
4 898 ms
0.204 Hz

32/16
2/1
200%
6 531 ms
0.153 Hz

48/16
3/1
300%
9 796 ms
0.102 Hz

64/16
4/1
400%
13 061 ms
0.0766 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