Decimal to Octal Converter

Convert decimal system to octal system with this online converter.

How to convert Decimal to Octal

Converting a decimal number from decimal system to hexadecimal system repeatedly dividing the decimal number by 8 (octal is base-8) and get the remainder and quotient until the quotient becomes zero.

Let's see an example. Convert the decimal number 63 to octal :

  • Divide 63 by 8 : 63 ÷ 8 = 7 remainder 7. Concatenate the remainder and quotient : 77
  • Divide the quotient 7 by 8 : 7 ÷ 8 = 0 remainder 7. Concatenate the remainder and quotient : 777

The decimal number 63 is equivalent to the octal number 777.