Binary to Decimal
Convert binary numbers to decimal, hex, and octal.
Número binário
Valid:
0, 1
Número decimal
Número hexadecimal
—
Número octal
—
Referência rápida
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
- Type or paste a binary number into the input field.
- Click Convert to see the decimal, hex, and octal results.
- 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