Convert a Octal Number to Hex Number

Convert a Octal Number to Hex Number instantly. Just type or paste any octal number like 7251 and see the hex result update live. You can choose to space out the digits or show the conversion breakdown.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .tsv, .log
Total characters: 0
Options
Add space between hex digits
Show conversion steps

How to Use:

  1. Enter an octal number into the input box for example: 7251.
  2. Use the Options box to customize your output:
    • Add space between hex digits: Visually separates each hex character for clarity.
    • Show conversion steps: Displays how the octal number converts to decimal and then to hex.
  3. View the hex result instantly in the output box on the right. It flashes when updated.
  4. Use Copy Output to copy the result, or Export to File to download it.
  5. Click Clear All to reset everything.

To use a file, click Choose File and upload a .txt, .csv, or .log that contains octal digits.

What Convert a Octal Number to Hex Number can do:

This tool turns any valid octal string into its hexadecimal equivalent in real time. It first converts the octal to decimal, then into base-16. You can group the hex digits for readability or show the full conversion logic. The output flashes on change, and there’s a character count right below it to show result length. Whether you’re pasting, typing, or uploading a file, it reacts instantly and stays on the same page.

Example:

Input:

7251

Settings: Add space between hex digits: OFF, Show conversion steps: OFF

Output:E99

With Show Steps ON:

E99

Steps:
Octal 7251 = Decimal 3737
Decimal 3737 = Hex E99

Octal to Hexadecimal Conversion Table:

This table shows how common octal (base-8) numbers convert into hexadecimal (base-16) format. It’s useful for programmers, digital electronics work, and converting legacy system values into modern formats.

Octal NumberHexadecimal ValueExample Use
108Basic conversion
17FMax 4-bit binary
2010New byte start
4020Decimal 32
10040Decimal 64
14464Decimal 100
377FFMax unsigned byte
400100Overflow boundary
7251FA3Hex sample input
7777FFFMax 12-bit octal

Common Use Cases:

Use Convert a Octal Number to Hex Number when working with embedded systems, digital logic, or converting legacy code formats. It’s great for quick lookups, educational walkthroughs, and clean, readable hex output. Whether you’re coding, teaching, or learning, this tool gives you instant, clear feedback with flexible formatting.

Useful Tools & Suggestions:

To break the octal down before jumping to hex, try Convert a Octal Number to Binary Number it’s a clean bridge since binary maps well to both. And if you need to verify where you started, Convert a Octal Number to Decimal Number brings it back to base 10.

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