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Binary <> Decimal <> Hex conversion in Python

Kaushal Modi

Python snippets to do number representation conversion among binary/decimal/hexadecimal.

  • Binary -> Decimal

    int('10010100', 2)
  • Hexadecimal -> Decimal

    int('94', 16)
  • Decimal -> Hexadecimal


    The [2:] truncates the 0x prefix added to hex output string.

  • Decimal -> Binary


    The [2:] truncates the 0b prefix added to binary output string.

Other conversions can be derived from the ones above.

  • Hexadecimal -> Binary

    bin(int('94', 16))[2:]
  • Binary -> Hexadecimal

    hex(int('10010100', 2))[2:]

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