Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and any custom base (2–36).
BASE 2Binary
11111111
Grouped: 1111 1111
BASE 8Octal
377
BASE 10Decimalinput
255
BASE 16Hexadecimal
FF
7V
Base 32 representation
Conversion Summary
| Base | Value |
|---|---|
| 2 (Binary) | 11111111 (1111 1111) |
| 8 (Octal) | 377 |
| 10 (Decimal) | 255 |
| 16 (Hexadecimal) | FF (ff) |
BinaryHexadecimalOctalNumber SystemsBase Conversion
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16) and any custom base from 2 to 36.
Key Features
All Major Bases
Simultaneously shows binary, octal, decimal and hexadecimal representations.
Custom Base
Converts to any user-specified base from 2 to 36 using alphanumeric digits (0–9, A–Z).
Binary Nibble Grouping
Binary output is grouped into 4-bit nibbles for readability.
Repeated Division Steps
For small values, shows the step-by-step repeated division algorithm.
Negative Numbers
Supports negative integer input with sign preservation.
Quick Examples
One-click examples like FF (hex), 255 (dec), 1010 (bin), 777 (oct).
How to Use
- 1Select the base of the input number (e.g. Decimal).
- 2Type the number — uppercase letters are used for hex digits.
- 3All base representations update instantly.