Hexadecimal to Decimal Converter

Summary

Enter any hexadecimal value and instantly see its decimal equivalent, plus binary and octal representations.

How it works

1. Type a hexadecimal value into the input field using digits 0–9 and letters A–F.
2. The decimal result updates in real time as you type.
3. Binary and octal equivalents are shown below the main result.
4. Use a Copy button to copy any result to your clipboard.
5. Click a quick example to load a sample value instantly.

Use cases

• Decode memory addresses and register values from hex to readable decimal.
• Convert CSS color hex codes to their decimal RGB channel values.
• Translate hex error codes from system logs into decimal for documentation.
• Verify number base conversions during computer science coursework.
• Read hardware datasheets that list register offsets in hexadecimal.
• Debug embedded systems where values are displayed in hex.
• Convert hex timestamps or protocol fields to decimal for analysis.
• Cross-check results from manual hex-to-decimal long division.

Frequently Asked Questions