The BPM Calculator (Beats Per Minute)is a free compositional aid for musicians and DJs. It allows the user to calculate precise tempos, loop lengths, delays and key signature / pitch shifts.

This popular tool is a free download as a desktop application for Macintosh and Windows.

Download for free:
Macintosh (bin-hex/.hqx file, opens using StuffitExpander): 352 kB
Windows (.zip file, opens using WinZip, etc.): 80 kB
Read Me (rtf/text) file