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Octal to Decimal converter

Convert Octal values to Decimal in your browser. Paste input, adjust options if needed, then copy the result—nothing is uploaded to our servers.

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Examples

Input Output Note
10 10 Sample conversion

FAQ

How to convert Octal to Decimal?
Enter your Octal data, select options, then convert. Copy the result from the output box.
Does conversion run locally?
Yes. Base and encoding conversions run in your browser and are not uploaded to our servers.

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Instructions

  1. Paste or type your Octal data in the input box.
  2. Choose options if needed (grouping, prefix, endianness, encoding).
  3. Click Convert and review the Decimal result.
  4. Copy the output. Everything runs locally in your browser.

Format Description

Octal

Octal uses 8 digits (0-7) and is primarily used in some traditional computer systems and Unix file permissions.

  • Uses digits 0-7
  • Widely used in early computer systems
  • Each octal digit represents 3 binary bits
  • Often uses '0' prefix, such as '0o755'

Decimal

Decimal is our everyday number system, using digits 0-9.

  • Uses digits 0-9
  • Most commonly used numbering system by humans
  • Each position has a weight of powers of 10
  • Example: 123 = 1×10² + 2×10¹ + 3×10⁰