Binaire en Décimal

Convert binary numbers to decimal, hex, and octal.

Nombre binaire
Valid: 0, 1 only
Nombre décimal
Aucun
Nombre hexadécimal
—
Nombre octal
—
Référence rapide
0→0
1→1
10→2
11→3
100→4
101→5
110→6
111→7
1000→8
1111→15
10000→16
11111111→255

Binary to Decimal Converter

This tool converts binary (base 2) numbers to decimal (base 10), and also shows hex and octal equivalents.

The conversion runs locally in your browser.

How to use

  1. Type or paste a binary number into the input field.
  2. Click Convert to see the decimal, hex, and octal results.
  3. Use Copy to copy the result.

What is Binary?

Binary is the base-2 number system using only digits 0 and 1. It is the fundamental language of computers.

Input notes

Enter a valid binary number using only digits 0 and 1.

Example

Converting binary to decimal:

--- Binary Input ---
11111111

--- Decimal ---
255

--- Hex ---
FF

--- Octal ---
377