Hexadecimal (hex for short) is a positional numeral system for representing a numeric value as base 16. For the most common convention, a digit is represented as "0" to "9" like for decimal and as a letter …

There are 16 hexadecimal digits. They are the same as the decimal digits up to 9, but then there are the letters A, B, C, D, E and F in place of the decimal numbers 10 to 15: So a single hexadecimal digit …

Hex to decimal number converter and how to convert.

This free hex calculator can add, subtract, multiply, and divide hexadecimal values, as well as convert between hexadecimal and decimal values.

Feb 20, 2025 · Hexadecimal -- also known as base-16 or hex -- is one of four numbering systems. The other three are decimal, or base-10; binary, or base-2; and octal, or base-8.

Dec 17, 2025 · Hexadecimal to Decimal Conversion: To convert a hexadecimal number to decimal (base-10), multiply each digit by its corresponding power of 16 and sum the results.

Hexadecimal to Decimal Converter To use this online hex to decimal converter tool, type a hex value like 1E into the left field below, and then hit the Convert button. You can convert up to 16 hex characters …