About the Two's Complement Calculator
A step-by-step tool for converting signed integers to and from two's complement binary.
What it is
The Two's Complement Calculator converts a signed decimal integer into its two's complement binary representation for a chosen bit width, and vice versa, showing every intermediate step: writing the magnitude in binary, inverting the bits, and adding 1.
Features
Two-way conversion
Decimal to binary and binary to decimal, in the same tool.
Step-by-step working
See the magnitude, inversion, and add-1 steps laid out clearly.
Selectable bit width
4, 8, 16, or 32-bit representations.
Overflow detection
Flags values outside the representable range for the chosen width.