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2's Complement Calculator
Professional binary arithmetic calculator with step-by-step explanations
Input Parameters
Advanced Mode
Enter decimal (42) or binary (101010)
bits
Calculation Results
2's Complement Result
11010110
8-bit 2's complement of 42
Binary Conversion
Original Binary:
00101010
1's Complement:
11010101
2's Complement:
11010110
Decimal Value:
-42
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Quick Tip
2's complement makes subtraction easier in hardware by converting it to addition.
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Note: 2's complement is the standard method for representing signed integers in computer systems.