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Binary Calculator

Result

Calculated result 101010 Based on the values entered.
↗ Math

Binary Calculator Add, subtract, multiply, or divide two binary numbers and see the result in binary, decimal, and hexadecimal. Enter each value using only 0s and 1s, choose an operation, and the calculator converts to decimal, performs the operation, and — free online calculator.

Formula

Converts between decimal and binary representation.
  • Binary Calculator calculates its result from Value, Direction. It uses the formula Converts between decimal and binary representation.. Change any input to recalculate the result instantly.
  • The main inputs are Value, Direction. Enter them in the units and format shown in the calculator.
  • Keep comparable quantities in compatible units whenever the formula combines or compares them.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Binary

Inputs
  • Value: 42
  • Direction: decimal-to-binary

Using Value = 42, Direction = decimal-to-binary, the calculated result is 101010.

Sample result: Calculating…

Frequently asked questions

What does the Binary calculate?

Binary Calculator Add, subtract, multiply, or divide two binary numbers and see the result in binary, decimal, and hexadecimal. Enter each value using only 0s and 1s, choose an operation, and the calculator converts to decimal, performs the operation, and — free online calculator.

Which values should I enter?

Enter Value, Direction using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Converts between decimal and binary representation..

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026