Octal to Decimal Converter

Convert octal (base-8) to decimal (base-10) representation.

Input (Octal)
Enter an octal number
Output (Decimal)
Decimal representation

Octal to Decimal Conversion

Convert octal (base-8) to decimal (base-10). Each octal digit represents a power of 8.

Examples:

  • 755 octal = 493 decimal
  • 100 octal = 64 decimal

Common Use:

  • Unix/Linux file permissions
  • Legacy computing systems