Binary to Decimal Converter

Binary (Base 2)

Decimal (Base 10)

How to Convert Binary to Decimal

Enter a binary number (e.g., 0s and 1s) in the first field. The tool will instantly convert it to its decimal (base-10) equivalent in the second field.

Example:

The binary number 1010 is equal to 10 in decimal.

Manual Calculation

To convert from binary to decimal, you calculate the sum of powers of 2 for each '1' in the binary string.

1010 = (1 × 8) + (0 × 4) + (1 × 2) + (0 × 1) = 8 + 2 = 10