2's Complement Convertor
The following tools will allow you to convert a 2’s complement binary value to denary, and denary to 2’s complement binary.
Use it to mark your work or test yourself.
2's Complement to Denary
Enter an 8-bit 2’s complement binary value to get its denary value.
Denary to 2's Complement
Enter a denary number between -128 and 127 to convert it to 8-bit 2’s complement.