A BCD can be converted to Octal in three steps:-
Let's say your BCD value is
100100010001 and you want to convert it to it's Octal form.
Binary Coded Decimal or BCD is a set of binary encodings for decimal numbers used in early digital computers. In BCD, a binary sequence is used to represent each digit of the source decimal number
Octal number system is composed of digits from 0 to 7. It has a base of 8 hence the name Octal.