1's & 2's Complement Calculator

Sign-magnitude, 1's complement and 2's complement for any bit width, plus 2's complement addition / subtraction.

All tools Number System Converter IEEE 754 Floating Point 1's & 2's Complement IP Address / Subnet / VLSM Boolean Expression Solver Truth Table Generator K-Map Solver SOP ⇄ POS Converter

Number of bits

Decimal integer

Binary number Pad / check against the selected number of bits

A (decimal)

Operation

B (decimal)

Ranges for 8 bits

Result

Step-by-step working