Based on the work of Dan Lis (www.danlismusic.com), more info about Metric modulation here
Tempo marking (BPM) of piece/section 120 breve whole note dotted whole note half note dotted half note quarter note dotted quarter note eight note dotted eight note 1/16 note dotted 1/16 note 1/32 dotted 1/32 1/64 dotted 1/64 1/128 dotted 1/128 per minute 5