Calculators and Simulators

Binary Converter

Instantly switch between Base 2 and Base 10.

Please enter only 0s and 1s

Hexadecimal (Base 16)
2A

How Binary Conversion Works

Binary is a positional numeral system using a radix of 2. Each digit is referred to as a **bit**. To convert to decimal, you multiply each bit by the power of 2 corresponding to its position.

Example: 1011

(1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰)
8 + 0 + 2 + 1 = 11