What format should I use?

Enter only 0s and 1s. Leading zeros are optional (e.g. 1010 or 01010).

How is subtraction handled for negative results?

The result is shown as a signed 32-bit value; large differences may wrap.

This tool is binary only. Use the base converter or hex calculator for other bases.

Add or subtract binary numbers. Enter two binary values and get the result in binary.

Binary A

Binary B

What format should I use?: Enter only 0s and 1s. Leading zeros are optional (e.g. 1010 or 01010).
How is subtraction handled for negative results?: The result is shown as a signed 32-bit value; large differences may wrap.
Can I use this for hex or decimal?: This tool is binary only. Use the base converter or hex calculator for other bases.

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