Hex to Decimal Converter

CalcAiHub's Hex to Decimal Converter is a precise, high-performance online tool designed for seamless conversion between base-16 and base-10 number systems. Whether you are a programmer debugging code or a student studying computer science, our tool provides instant, reliable decimal outputs for any hexadecimal input.

Result

—

Hex to Decimal Converter User Guide

This guide explains how to use the Hex to Decimal Converter and understand number systems used in computer science. Hexadecimal (base 16) is widely used in programming, memory addressing, and digital systems.

1. What You Can Convert

  • Hexadecimal values (0–9, A–F) to decimal numbers
  • Memory addresses in computing systems
  • Color codes in web development (#FF0000 etc.)
  • Binary-related number system conversions (indirectly)

2. Conversion Formula

Hexadecimal is a base-16 number system. Each digit represents a power of 16.

Decimal = (d × 16ⁿ) + ...

Example:

Hex 1A = (1 × 16¹) + (10 × 16⁰) = 26

3. How to Use the Converter

  • Enter a valid hexadecimal number (e.g., 1A, FF, 10)
  • Click the Convert button
  • Instantly view the decimal output
  • Use uppercase or lowercase letters (A–F or a–f)

4. Example Conversions

  • Hex 1 → Decimal 1
  • Hex A → Decimal 10
  • Hex F → Decimal 15
  • Hex 10 → Decimal 16
  • Hex FF → Decimal 255
  • Hex 1A → Decimal 26

5. Tips for Best Results

  • Only use valid hex characters (0–9, A–F)
  • Hex values are case-insensitive
  • Double-check large values for accuracy
  • Useful in debugging and low-level programming

Note:

Hexadecimal is a fundamental concept in computer systems and is commonly used in memory addresses, colors, and machine-level data.