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Hex to Decimal

Convert hexadecimal strings to decimal integers instantly. Supports letters A-F with positional base-16 calculations. Free in your browser.

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How to use Hex to Decimal

  1. 1

    Enter your hexadecimal string using digits 0-9 and letters A-F.

  2. 2

    Verify the base configuration is set from Base 16 to Base 10.

  3. 3

    Click Convert to view the decimal integer equivalent.

Capabilities

  • Converts base-16 hexadecimal strings to decimal integers
  • Supports both uppercase and lowercase hex letters (A-F)
  • Ideal for web colors, memory addresses, and byte decoding

How Hexadecimal to Decimal Conversion Works

Hexadecimal (base 16) provides a compact, human-readable shorthand for binary data. Because 16 is 2^4, every hexadecimal digit corresponds to exactly 4 binary bits (one nibble). Web colors (such as #FFFFFF), memory addresses, and byte dumps use hex notation universally.

Worked Example: Convert Hex 2F to Decimal

Position 1 (16^1 = 16): Digit 2 * 16 = 32

Position 0 (16^0 = 1): Letter F (value 15) * 1 = 15

Total Decimal Sum: 32 + 15 = 47 (Base 10)

Need the Reverse Conversion?

Convert decimal integers into base-16 hex strings.

Decimal to Hex
Privacy & Processing

This tool operates in a sandbox directly inside your web browser. All parsing, processing, and downloads are rendered locally. Your file size, metadata, and contents never cross the network. It works completely offline.

Frequently Asked Questions

What do the letters A through F represent in hexadecimal?

In base 16, single digits represent values 0 through 15. The letters represent: A = 10, B = 11, C = 12, D = 13, E = 14, and F = 15.

How do you convert hex to decimal manually?

Multiply each hexadecimal character by 16 raised to its column power (starting at 0 from the right). Replace letters A-F with values 10-15, then sum all calculated products.

What is FF in decimal?

FF in hexadecimal equals 255 in decimal: (15 * 16^1) + (15 * 16^0) = 240 + 15 = 255. This is the maximum value for an 8-bit byte.

Is hex case-sensitive in this converter?

No. The converter accepts both uppercase (A-F) and lowercase (a-f) input strings.

Are my conversion queries private?

Yes. All base-16 conversions execute strictly inside your web browser.

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