1045 Octal in Decimal

Let's convert the octal number 1045 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.

83828180
5126481
18084858
Step 2: Convert Each Octal Digit to Decimal

Convert each octal digit to its decimal equivalent:

18 = 110

08 = 010

48 = 410

58 = 510

Step 3: Multiply and Sum

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

(1 × 512) + (0 × 64) + (4 × 8) + (5 × 1) = 512 + 0 + 32 + 5 = 549

So, the decimal representation of the octal number 1045 is 549.
Octal To Decimal Converter



Other examples of Octal to Decimal conversion
See also: