Decimal to Hex
Enter a decimal integer. Get its hexadecimal representation. Common in programming and web colors.
Decimal to Hex
How it works
Repeated division by 16; remainders (0–9, A–F) form the hex string from least to most significant digit.
When to use it
Use for color codes, memory addresses, or any hex output.
Frequently asked questions
Negative numbers?
We show unsigned hex. For signed values use two's complement convention.
