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Binary to Decimal Converter

Convert binary bits (Base 2) to decimal integers (Base 10)

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What is Binary to Decimal Converter?

Binary to Decimal Converter evaluates base-2 positional notation numbers into base-10 decimal integers with support for multiple values, BigInt sizes, and bit-level breakdown.

How to use Binary to Decimal Converter

Paste binary numbers separated by spaces, commas, or newlines into the input field to receive instant decimal equivalents.

Key features

  • Real-time binary to decimal computation
  • Supports multiple numbers simultaneously
  • Direction swap to convert decimal back to binary
  • Shows multi-base value matrix (Hex, Octal, ASCII)
  • Zero server latency, 100% private

Common use cases

  • Calculating decimal values of bitwise masks and permissions
  • Computer science education and number system verification
  • Interpreting register data from microcontrollers

Technical details & standards

Parses binary bit sequences using positional power-of-2 evaluation entirely client-side.

Frequently asked questions

How do you calculate decimal from binary?

Each binary bit is multiplied by 2 raised to its position index starting from the right (0, 1, 2...) and summed together.

Is my data safe?

All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.

Does it work offline?

Yes. Once the page has loaded, most tools keep working without an internet connection.

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