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Binary Converter

Convert binary to decimal, hex or octal - and back.

How to use

  1. Type a binary value (or switch the from-base).
  2. Pick the base to convert to.
  3. All four bases are shown side by side - copy what you need.

Frequently asked questions

How does binary work?

Each digit is a power of 2, right to left: 1011 = 8+0+2+1 = 11 in decimal.

Can I paste values with prefixes?

Yes - 0b, 0x and 0o prefixes are stripped automatically.

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