Octal to Decimal Calculator

Octal to Decimal Calculator

 

How to convert Octal to decimal

lets take a octal number with n digits i.e.:
dn-1 ... d3 d2 d1 d0
The decimal number is equal to the sum of octal digits (dn) times their power of 8 (8n) i.e. :
decimal = d0×80 + d1×81 + d8×82 + ...

For Example Find the decimal value of 3458:

octal Number : 345
Power Of 8 : 828180

i.e based on above discription it can be represented as
3458 = 3*82 + 4*81 + 5*80 = 22910