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Hex to Decimal

Convert a hexadecimal number to decimal.

What Is a Hex to Decimal?

The Hex to Decimal converter interprets hexadecimal (base-16) numbers and shows their decimal value. It handles numbers of any size precisely using BigInt, making it useful for color codes, memory addresses, and protocol fields.

How to Use This Hex to Decimal

  1. 1
    Input NumberEnter a hex number such as ff or 0xFF.
  2. 2
    Instant ConversionThe decimal result appears immediately.
  3. 3
    Copy ResultClick the copy button to save the decimal value.

Frequently Asked Questions

FF in hex equals 255 in decimal. It is also the largest two-digit hex number, equivalent to a full 8-bit byte of 255.
No. Both 'ff' and '0xff' are accepted; the prefix is optional.