I don't know how it could be useful but its there.
http://www.all8.com/tools/bpm.htm
I got about 382BPM for 100 taps, single tapping / 516BPM for 100 taps, alternating. (With my left hand)
http://www.all8.com/tools/bpm.htm
I got about 382BPM for 100 taps, single tapping / 516BPM for 100 taps, alternating. (With my left hand)
89