BPM counter

A free BPM counter: tap along with a song to find its tempo, fix half or double time, see the length of every note value, or find the BPM of an audio file on your device. Nothing is uploaded.

– BPM

Tap the button, or any key, to the beat.

Average the last (taps)Start over after a pause of (s) Round to whole BPM

10 to 15 taps give the most reliable tempo.

Note lengths at this tempo

At 120 BPM until you tap a tempo (ms per note; Hz is how often it falls each second):

Note	ms	Dotted	Triplet	Hz
1/1 whole	2000	3000	1333.33	0.5
1/2 half	1000	1500	666.67	1
1/4 quarter	500	750	333.33	2
1/8 eighth	250	375	166.67	4
1/16 sixteenth	125	187.5	83.33	8
1/32 thirty-second	62.5	93.75	41.67	16

Time signatureBarsLength1:04

Find the BPM of an audio file

Choose a song or a loop

The file is read and measured in your browser. It is not uploaded.

Free, no account, no ads. Made in your browser: nothing leaves your device. Works offline.