Decimal to Hex Converter
Convert decimal numbers to hexadecimal (base-16) values instantly.
About Decimal to Hex Converter
The Decimal to Hex Converter transforms decimal (base-10) numbers into hexadecimal (base-16) representation. Hexadecimal is widely used in programming, web development, and debugging.
Each hex digit represents 4 bits. This tool supports multiple output formats and case options.
Input
Hex Result
How to Use
Enter Decimal
Type decimal numbers separated by spaces, commas, or newlines.
Choose Format
Select case and prefix options for the hex output.
Convert
Click "Convert to Hex" to see the result.
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Frequently Asked Questions
How does decimal to hex work?
Divide the decimal number by 16 repeatedly and record the remainder. The remainders (0-9, A-F) read from last to first give the hex value. Example: 255 ÷ 16 = 15 r15 → FF.
What is 100 in hex?
100 in decimal equals 64 in hexadecimal (0x64). Note: this is different from 64 decimal!
Why use hexadecimal?
Hex is more compact than binary (4 bits per digit) and easier for humans to read. It's used in color codes (#FF0000), memory addresses, and binary data representation.
Is this free?
Yes, completely free with no registration required.