How to Convert from Decimal to Qm.n format
Convert $0.065$ in binary with 15 digits of precision in the fractional part (rounding to the nearest such number):

$$
(0.065)_{10} \approx ( 0.000100001010010)_2$$

Multiply $(0.000100001010010)_2$ by $(2^{15})_{10}$ (i.e., remove the fractional-part separator) to obtain $(0000100001010010)_2$. 

If you want it in hexadecimal, as you have asked in another question, you can convert it:

$$
(0000100001010010)_2 = (0852)_{16}
$$.