Q and Octave Bandwidth

• 0.1 = 6 2/3
• 0.2 = 4 3/4
• 0.3 = 3 2/3
• 0.4 = 3
• .67 = 2
• 1.04 = 1 1/3
• 1.4 = 1
• 2.1 = 2/3
• 5.8 = 1/4
• 8.7 = 1/6
• 11.5 = 1/8

So, a 'Q' of 8.7 is 1/6 of an octave....