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# Free Octal to Decimal Converter Online

Easily convert your Octal number into a Decimal number using our free online Octal to Decimal Converter tool.

### What is Octal Number

The octal (or the numeric system denoted by radix 8) numbering system, or oct for short, is the base-8 number system, and uses the digits 0 to 7, which means the number 10 in octal system represents 8 in decimal and 100 in deicmal system represents 64 in octal system.

The Octal Numbering method consists of a base-8 and uses only the numbers between 0 and 7. This Octal/Oct numeral system is also very widely used in the sectors of computer and its related applications.

Most of the computing system of the relatively modern generation use 16/32/64 bit word, which is again sub-divided into multi 8 bit words. We can also see the usage of the octal system in the aviation sector , where the octal numbering system and the numerals are used to represent code.

As the octal/Oct numbering systme uses less number of digits when compared to decimal system or the hexadecimal systme, it is quite easy to do most complex calculations in minimal steps and also lessen the chances of occurrence of error.

### What is Decimal Number

In the decimal (or base 10) numbering system, all numbers are represented with a base of 10. This way of denoting the decimal numbers with the base 10 of is also referred to as decimal notation. The Decimal numbering system is quite often used in many computer related applications.

It is also known as the base-10 numbering system which contains 10 digits, which are 0,1,2,3,4,5,6,7,8 and 9. Each digit or number in the decimal numbering system informs a position and each digit is ten times more important than the previous digit in the numeral. Suppose, 37 is a decimal number, then 3 is ten times more than 7.

### How to use the Octal to Decimal Converter

Simply enter your number in the first text area provided above and click on the Convert button. This will convert your number into the target base number system. You can copy or download the results. This will not send any request to any server to convert your data and will be done right on your machine and hence your data is totally safe.