Binary to Decimal Converter
Enter a binary number to convert it to decimal (base-10). Supports integers only.
How Binary to Decimal Conversion Works
Each digit in a binary number represents a power of 2, starting from 2⁰ on the right.
Decimal = d₇×2⁷ + d₆×2⁶ + … + d₁×2¹ + d₀×2⁰
Binary 11011010:
1×128 + 1×64 + 0×32 + 1×16 + 1×8 + 0×4 + 1×2 + 0×1 = 218
1×128 + 1×64 + 0×32 + 1×16 + 1×8 + 0×4 + 1×2 + 0×1 = 218
Common Binary Values
| Binary | Decimal | Hex |
|---|---|---|
| 0001 | 1 | 1 |
| 0010 | 2 | 2 |
| 0100 | 4 | 4 |
| 1000 | 8 | 8 |
| 1111 | 15 | F |
| 11111111 | 255 | FF |
| 100000000 | 256 | 100 |
| 1111111111111111 | 65535 | FFFF |