100 Octal in Decimal

Let's convert the octal number 100 to decimal without using a calculator:

Step 1: Write Down Powers of 8

Write down the powers of 8 starting from the right, with the first digit corresponding to 80, the second to 81, the third to 82, and so on.

828180
6481
180808
Step 2: Convert Each Octal Digit to Decimal

Convert each octal digit to its decimal equivalent:

18 = 110

08 = 010

08 = 010

Step 3: Multiply and Sum

Multiply each octal digit by its corresponding power of 8 and sum the results.

(1 × 64) + (0 × 8) + (0 × 1) = 64 + 0 + 0 = 64

So, the decimal representation of the octal number 100 is 64.
Octal To Decimal Converter



Other examples of Octal to Decimal conversion
See also: