Octal to Decimal Converter
Convert Octal to Decimal
Formula
Octal to Decimal: sum of (digit × 8^position) | 377₈ = 192+56+7 = 255₁₀ | Each octal digit = 3 binary bits
Frequently Asked Questions
How do I convert octal to decimal?
Multiply each octal digit by 8 raised to its position power (starting from 0 on the right), then sum. For 377: (3×8²) + (7×8¹) + (7×8⁰) = 192 + 56 + 7 = 255.
Where is octal used?
Octal is primarily used in Unix/Linux file permissions (e.g., chmod 755). Each octal digit represents 3 binary bits, making it a convenient shorthand for permission sets (read=4, write=2, execute=1).
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