20 Decimal in Octal

Let's convert the decimal number 20 to octal without using a calculator:

Step 1: Divide by 8

Start by dividing 20 by 8:

20 ÷ 8 = 2 (Quotient) with a remainder of 4

Step 2: Final actions

The Quotient is less than 8 (2), so we will transfer it to the beginning of the number as a reminder.

Step 3: Write Remainders in Reverse Order

Now, write down the remainders from the last division to the first:


So, the octal representation of the decimal number 20 is 24.
Decimal To Octal Converter

Other examples of Decimal to Octal conversion
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