Decimal to Hex Converter
Convert decimal numbers to hexadecimal instantly. Enter any base-10 number and get the hexadecimal (base-16) result immediately, including values commonly used in programming, web development, networking, and computer systems.
Quick Decimal to Hex Examples
| Decimal | Hexadecimal |
|---|---|
| 10 | A |
| 26 | 1A |
| 47 | 2F |
| 123 | 7B |
| 255 | FF |
| 256 | 100 |
| 1024 | 400 |
| 65535 | FFFF |
How to Convert Decimal to Hexadecimal
To convert a decimal number to hexadecimal, repeatedly divide the number by 16 and record the remainders. Read the remainders from bottom to top to get the final hexadecimal value.
Example: Convert 255 to hexadecimal
255 ÷ 16 = 15 remainder 15 (F)
15 ÷ 16 = 0 remainder 15 (F)
Read upward → FF
Therefore, 255₁₀ = FF₁₆.
Common Uses of Hexadecimal Numbers
Programming: memory values, debugging, and low-level code.
Web design: CSS color codes such as
#FF5733.Networking: MAC addresses and packet analysis.
Computer systems: binary data represented in compact form.
Frequently Asked Questions
What is a hexadecimal number?
A hexadecimal number is a base-16 number that uses digits
0–9 and letters A–F.
What is 255 in hexadecimal?
The decimal number 255 equals FF in hexadecimal.
What is 1024 in hexadecimal?
The decimal number 1024 equals 400 in hexadecimal.
Why is hexadecimal used in programming?
Hexadecimal is shorter and easier to read than binary because one hexadecimal digit represents exactly 4 binary bits.
Does this converter support large decimal numbers?
Yes. It can convert both small and large decimal values to hexadecimal format directly in your browser.