Octal 11 to Binary Conversion

What is 11 octal in binary? - converter, chart and step-by-step solution using the most easiest method for how to convert the '.octal.' '.11.' to its '.binary.' equivalent. The base-8 value of 11₈ is equal to base-2 value of 1001₂
In different representation
11₈ = 1001₂
0o11 = 0b1001

Octal	Binary	Decimal
7.4	111.1	7.5
10	1000	8
10.4	1000.1	8.5
11	1001	9
11.4	1001.1	9.5
12	1010	10

The below is the example problem with step-by-step solution using the easiest method to find what is 11 octal in binary.
11 Octal to Binary Conversion:
step 1 Write each digit of given octal number 11₈ into its equivalent binary containing 3 digits each.
1 = 0011 = 001

step 2 Arrange the binary numbers group in the same order
11₈ = 1001₂