Binary Calculator

Use our free binary calculator to perform arithmetic on binary numbers (add, subtract, multiply, divide), convert between binary and decimal, and view bit-level details like nibble format, hex, bit length, and 2's complement.

Math

Mode

Binary A

Binary B

Formula

A full-featured binary calculator. View binary info (decimal, hex, nibbles, bit length, signed, 2's complement), perform arithmetic operations, and convert between binary and decimal.

Binary arithmetic and conversion

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Enter one or two binary numbers (digits 0 and 1 only).
2Select an operation mode.
3Click Calculate.

Examples

Binary info for 1010

1.1010₂ = 10₁₀ = A₁₆

Result: 10

1010 + 101

1.1010₂ (10) + 101₂ (5) = 1111₂ (15)

Result: 15

Frequently Asked Questions

Base-2 number system using only digits 0 and 1.

Bit by bit with carry: 0+0=0, 0+1=1, 1+1=0 carry 1.

A way to represent signed numbers: flip bits and add 1.

Use unsigned positive binary. Signed interpretation shown in info mode for 8-bit values.

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CalculateMe Team

Last updated: 2026-07-15

Binary Calculator

Formula

How It Works

Examples

Binary info for 1010

1010 + 101

Frequently Asked Questions

What is binary?

How is binary added?

What is 2's complement?

Can I enter negative binary?

Related Calculators

Binary Calculator

Formula

How It Works

Examples

Binary info for 1010

1010 + 101

Frequently Asked Questions

What is binary?

How is binary added?

What is 2's complement?

Can I enter negative binary?

Related Calculators