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How do I convert a hexadecimal value to decimal?

Short answer

Enter the hex value into a browser-based number base converter and it returns the decimal equivalent, and octal and binary too. The conversion happens on your device with no account needed.

Hex is base 16, decimal is base 10

Hexadecimal uses sixteen digits, 0 through 9 and A through F, where each position is a power of 16. Converting to decimal means expanding each digit by its place value and adding them up, which is fiddly for longer values. A base converter does the expansion instantly and also shows the same number in binary and octal, which is handy when reading memory addresses, color codes or byte values.

One field, four bases

Rather than convert in steps, you enter the hex value and read the decimal result directly. The tool runs in your browser, so nothing is uploaded, and it converts in any direction between binary, octal, decimal and hexadecimal. It is free and needs no sign-up.

Step by step

  1. Open the converter. Open the number base converter in your browser.
  2. Enter the hex value. Type the hexadecimal value into the hex field.
  3. Read the decimal. Read the decimal equivalent, along with binary and octal.

Frequently asked questions

What base is hexadecimal?

Hexadecimal is base 16, using the digits 0 to 9 and letters A to F.

Can it also show binary?

Yes. It converts between binary, octal, decimal and hexadecimal.

Is the conversion done online?

No. It runs in your browser, so nothing is sent to a server.

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