Octal to Decimal Converter

Use the below Octal to Decimal Converter to convert a Octal number to Decimal number:

Octal Number

Decimal Number

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Decimal Number

Whole number, a decimal point and a fractional value combines to form a decimal number. The decimal point separates the whole number part from the fractional part of the number. Each digit of a decimal number can be any number from 0 to 9. Any value less than 1 is written to the right of decimal point. Decimal numbers are also known as base-10 number or counting numbers. Place value of decimal number varies as the whole number powers of 10 starting from the left of decimal point. Similarly, the place value of digits left to decimal point varies as the division of power of tens.

Octal Number

Octal numbers use digits from 0-7 only. It is known as base-8 number. The place value of each digits of an octal number varies as the whole number powers of 8 starting from the right (Least Significant Digit). The first single digit number in octal system is 0 and the last is 7. Similarly, the first two digit octal number is 10 and the last is 77 and so on. Octal number system was widely used in early computers.

Example for Octal to Decimal conversion

Convert 343₈ to decimal

343₈ = 227₁₀

Convert 777₈ to decimal

777₈ = 511₁₀

Octal to Decimal conversion table

Octal Number	Decimal Number
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
10	8
11	9
12	10

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