Convert Octal to Decimal Program in C++

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C++ program to Convert Octal to Decimal

To convert octal number to decimal number in C++ programming, we have to ask to the user to enter the octal number to convert it into decimal number to display the equivalent value in decimal format on screen.


Input Octal Number : 26
Euivalent Decimal Number : 22

Input Octal Number : 10
Euivalent Decimal Number : 8

Input Octal Number : 15
Euivalent Decimal Number : 13

C++ program to convert Octal to Decimal


void main()
    int num, temp, rem, oct = 0, i = 0;
    cout<<"Enter any Octal Number: ";
    temp = num;
    while(temp != 0)
     rem = temp % 10;
     oct += rem * pow(8, i++);
     temp = temp / 10;
    cout<<"\nDecimal Equivalent of " << num << " is : " << oct;


Enter any Octal Number : 10
Decimal Equivalent of 10 is 8
c++ program to convert octal to decimal
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