Number base converter
Decimal to Hexadecimal Converter
Convert decimal numbers to hexadecimal for programming, computer science, and digital logic.
Base converter
Decimal to Hexadecimal
Convert whole numbers between decimal, binary, hexadecimal, and octal.
Decimal input can use digits 0-9, with an optional minus sign.
Result
A
Decimal (base 10) to Hexadecimal (base 16)
How Decimal to Hexadecimal Conversion Works
Decimal uses base 10, while Hexadecimal uses base 16. The converter first reads the input value in base 10, then writes the same whole number in base 16.
This tool supports whole numbers within JavaScript's safe integer range. Binary output is grouped in blocks of four digits so long results are easier to read.
Example Conversions
| Decimal | Hexadecimal |
|---|---|
| 10 | A |
| 15 | F |
| 128 | 80 |
| 255 | FF |
FAQ
What does Decimal to Hexadecimal Converter do?
It converts a whole number written in Decimal (base 10) into Hexadecimal (base 16).
Is Decimal to Hexadecimal conversion exact?
Yes. Number base conversion rewrites the same whole number in another base, so the value itself does not change.
Can I use spaces in binary or hex input?
Yes. Spaces are ignored, so grouped binary like 1010 1101 is accepted.
Is this converter private?
Yes. The conversion runs locally in your browser and does not need a database or paid API.