Base 10 → Base 16

Decimal to HEX

Convert decimal numbers into hexadecimal notation.

Single or multiple values Uppercase / lowercase Optional padding
Converter

HEX ready for devs

Paste decimals, choose your HEX style, and copy results for color codes, registers, or debugging.

Decimal → HEX

Convert decimals to HEX

Enter one or many decimal integers separated by spaces or new lines. Choose HEX case and padding.

HEX case

Padding

Decimal to HEX converter

Use this decimal to HEX converter to translate base 10 numbers into base 16. Keywords: decimal to hex converter, convert decimal to hexadecimal, base 10 to base 16.

How to use this tool

  1. Paste one or more decimal numbers.
  2. Choose uppercase or lowercase HEX and padding.
  3. Click Convert to HEX.
  4. Copy the HEX results or view the table.

FAQ – Decimal to HEX

What is hexadecimal?

Hexadecimal (base 16) uses digits 0–9 and A–F to represent values. It’s common for colors, memory addresses, and low-level data.

What range of numbers is supported?

Non-negative integers. Invalid entries are skipped and counted.

Why pad HEX values?

Padding to 2 digits makes single-byte values clearer (e.g., 0A instead of A), helpful for bytes and color codes.

Is this tool free and mobile friendly?

Yes—free to use with a responsive layout for phones and tablets.