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Hexadecimal to Octal

Convert Hexadecimal (hex) to Octal (oct)

Please provide values below to convert Hexadecimal (hex) to Octal (oct).
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      Updated on September 1, 2025

      About Hexadecimal (hex) to Octal (oct) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
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      You can use our Hexadecimal (hex) to Octal (oct) conversion calculator as a reliable and efficient tool to simplify number conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Hexadecimal (hex) to Octal (oct) is crucial in Memory addressing related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Hexadecimal (hex) to Octal (oct) converter.

      Relation Between Hexadecimal (hex) and Octal (oct)

      Let me explain to you about the relation between Hexadecimal hex and Octal (oct) first before moving to the conversion process. Because it’s essential to grasp what these units represent.

      What is Hexadecimal (hex)?

      The hexadecimal number system is a base-16 system, using sixteen digits (0-9 and A-F) to represent numbers. Hexadecimal (hex) is a unit of number measurement which is commonly used in Memory addressing. Hexadecimal is widely used in computer science and programming, particularly for representing memory addresses, color codes, and other data. It provides a more concise representation of binary data compared to decimal..

      What is Octal (oct)?

      Hexadecimal (hex) is another unit of number measurement that is used in Computer programming. The octal number system is a base-8 system, using eight digits (0-7) to represent numbers.. Hexadecimal is widely used in computer science and programming, particularly for representing memory addresses, color codes, and other data. It provides a more concise representation of binary data compared to decimal..

      How to Convert Octal (oct)?

      The conversion between Hexadecimal (hex) and Octal (oct) follows a simple formula:

      Octal (oct) = First convert to binary, then group into 3-bit octal digits (oct)

      Hexadecimal (hex) = First convert to binary, then group into 4-bit hexadecimal digits (hex)

      Where, First convert to binary, then group into 3-bit octal digits and First convert to binary, then group into 4-bit hexadecimal digits is the value that allows you to convert between Hexadecimal (hex) and Octal (oct).

      So,

      1 Octal = 1 (hex)

      And, 1 Hexadecimal = 1 (oct)
      alt

      Examples of Converting Hexadecimal (hex) to Octal (oct)

      To convert any value from Hexadecimal (hex) to Octal (oct), simply multiply the amount of Hexadecimal (hex) by the conversion factor:

      1 Octal (oct) = 1 Hexadecimal (hex)

      For example, if you want to convert 5 Hexadecimal into Octal and the conversion formula is ( First convert to binary, then group into 3-bit octal digits), then:

      5 Hexadecimal (hex) = 5 Octal (oct)

      Hexadecimal (hex) to Octal (oct) Conversion Chart

      Here’s a quick reference chart for common conversions between Hexadecimal (hex) and Octal (oct)
      Hexadecimal (hex)Octal (oct)
      1 Hexadecimal(hex)1 Octal (oct)
      5 Hexadecimal(hex)5 Octal (oct)
      a Hexadecimal(hex)12 Octal (oct)
      f Hexadecimal(hex)17 Octal (oct)
      14 Hexadecimal(hex)24 Octal (oct)
      19 Hexadecimal(hex)31 Octal (oct)
      1e Hexadecimal(hex)36 Octal (oct)
      23 Hexadecimal(hex)43 Octal (oct)
      28 Hexadecimal(hex)50 Octal (oct)
      2d Hexadecimal(hex)55 Octal (oct)
      You can use the above chart for quick and easy reference.

      How a Hexadecimal (hex) Converts to Other number Units

      See the relation between Hexadecimal (hex) and other number related measurement units:
      a Hexadecimal(hex)10 Decimal (dec)
      a Hexadecimal(hex)1010 Binary (bin)

      Features of Our Hexadecimal (hex) to Octal (oct) Conversion Calculator

      Our Hexadecimal hex to Octal (oct) converter is more than just a basic converter. Here's what makes it stand out:

      Output Precision Control

      You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.

      Customizable Rounding Options

      You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.

      Multiple Number Formats

      Display your results the way you want:
      1. Standard format (e.g. 12.345245)
      2. Scientific notation (e.g. 1.23452e+1)
      3. Engineering format (e.g. 1.23452 × 10^1)

      Integrated Scientific Calculator

      We know you need to switch between a unit converter and a general calculator back and forth. To minimize your hassle, our Hexadecimal hex to Octal (oct) converter comes up with an integrated scientific calculator.

      Conversion History Tracking

      You can always review your past number conversions and go to them whenever you like. It stores your most recent 10 unit conversions.

      Thousand Separators Toggle

      Our Hexadecimal hex to Octal (oct) converter improves the output readability by toggling the thousand separators “On”. It’s useful when you work with large numbers.

      Conclusion

      Now, you understand how to convert Hexadecimal hex to Octal (oct) manually. But you can bypass the manual calculation using our number conversion calculator. This allows you to get faster and accurate results in Octal (oct), which you can use in Memory addressing related measurements. With the help of our integrated scientific calculator, calculation history tracking, and precision control, our Hexadecimal hex to Octal (oct) converter is your swiss army knife for daily calculations.
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