C Examples Octal Decimal Convert

📅 2026-06-20 | 📂 C

# C Programming Examples - Octal and Decimal Conversion [![Image 3: C Programming Examples](#) C Programming Examples](#) Conversion between octal and decimal. ## Example - Decimal to Octal Conversion #include#include

int convertDecimalToOctal(int decimalNumber); int main(){int decimalNumber; printf("Enter a decimal number: "); scanf("%d", &decimalNumber); printf("The decimal number %d converted to octal is %d", decimalNumber, convertDecimalToOctal(decimalNumber)); return 0; }int convertDecimalToOctal(int decimalNumber){int octalNumber = 0, i = 1; while(decimalNumber != 0){octalNumber += (decimalNumber % 8) * i; decimalNumber /= 8; i *= 10; }return octalNumber; }

The output is:

Enter a decimal number: 78The decimal number 78 converted to octal is 116

## Example - Octal to Decimal Conversion

#include#include long long convertOctalToDecimal(int octalNumber); int main(){int octalNumber; printf("Enter an octal number: "); scanf("%d", &octalNumber); printf("The octal number %d converted to decimal is %lld", octalNumber, convertOctalToDecimal(octalNumber)); return 0; }long long convertOctalToDecimal(int octalNumber){int decimalNumber = 0, i = 0; while(octalNumber != 0){decimalNumber += (octalNumber%10) * pow(8,i); ++i; octalNumber/=10; }i = 1; return decimalNumber; }

The output is:

Enter an octal number: 116The octal number 116 converted to decimal is 78
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C Examples Octal Decimal Convert

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