Hexadecimal to Decimal Converter
Enter any hexadecimal value and instantly see its decimal equivalent, plus binary and octal representations.
Hexadecimal Input
0x
Quick examples
Hex digit values
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
A
10
B
11
C
12
D
13
E
14
F
15
Conversion Results
Decimal (base 10)
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Binary (base 2)
—
Octal (base 8)
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Hexadecimal (base 16)
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Summary
Enter any hexadecimal value and instantly see its decimal equivalent, plus binary and octal representations.
How it works
- Type a hexadecimal value into the input field using digits 0–9 and letters A–F.
- The decimal result updates in real time as you type.
- Binary and octal equivalents are shown below the main result.
- Use a Copy button to copy any result to your clipboard.
- 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
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Last updated: 2026-05-23 ·
Reviewed by Nham Vu