HEX to Decimal

HEX to Decimal

Instantly convert hexadecimal (base-16) numbers into decimal (base-10) numbers.

HEX to Decimal is a free online tool that converts hexadecimal values into their decimal equivalents in seconds. It requires no sign-up, no installation, and works entirely in your browser. Developers, students, and networking professionals use it to quickly translate hex color codes, memory addresses, and low-level data into numbers they can read at a glance.

Why convert HEX to Decimal?

Hexadecimal is a base-16 number system that uses the digits 0-9 and the letters A-F to represent values, making it a compact way to express large binary numbers. Decimal, the base-10 system most people use daily, is easier to interpret in everyday calculations, so converting between the two is a routine task in programming, networking, and digital electronics. For example, the hex value FF represents 255 in decimal, a conversion that shows up constantly when working with color codes, byte values, and memory offsets.

How to use HEX to Decimal Converter

  1. Type or paste your hexadecimal value into the input box.
  2. Click the convert button to generate the decimal result.
  3. Copy the converted decimal number for use in your project or document.

Key features

  • Converts hexadecimal values of any length to accurate decimal numbers.
  • Processes your input instantly, with no page reloads or waiting.
  • Works on desktop and mobile browsers without installing software.
  • Free to use with unlimited conversions.

Related tools

Pair this converter with HEX to Binary, HEX to Octal, or Decimal to HEX for more number system conversions.

Frequently asked questions

Is HEX to Decimal free?

Yes, HEX to Decimal is completely free to use. There is no sign-up, subscription, or hidden fee required to convert as many hex values as you need.

Can I convert negative hexadecimal values?

The tool is designed for standard unsigned hexadecimal input such as color codes and memory addresses. If you are working with signed or two's-complement values, you will need to account for the sign bit separately before conversion.

What is the largest hex value I can convert?

You can convert hexadecimal values of virtually any length, from a single digit up to long strings used in cryptographic hashes. Longer hex strings simply produce correspondingly large decimal numbers.

Why do I see letters like A, B, or F in hexadecimal?

Hexadecimal needs 16 unique symbols per digit, so it extends beyond 0-9 by using A through F to represent the values 10 through 15. This lettering convention is what makes hex color codes look different from plain decimal numbers.