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Base Converter

Convert numbers between binary, octal, decimal, and hex.

About Base Converter

The Base Converter is an essential tool for computer scientists, programmers, and mathematicians. It allows you to instantly translate numbers between the four most common numeral systems used in computing: Decimal (Base 10), Binary (Base 2), Octal (Base 8), and Hexadecimal (Base 16).

How Base Converter Works

  • Step 1: Select a Base: Choose the input field corresponding to the base you want to convert from.
  • Step 2: Type a Number: As you type your number, the calculator instantly converts it and fills all the other fields.
  • Step 3: Cross-Editing: You can edit any field at any time. The system bi-directionally syncs the data across all formats.

Frequently Asked Questions

What is Hexadecimal used for?

Hexadecimal (Base 16) is heavily used in computing, particularly for color codes (like #FFFFFF) and memory addresses, because it provides a human-friendly way to represent binary data. One hex digit represents exactly 4 bits (a nibble).

Why do computers use Binary?

Computers use binary (Base 2, zeroes and ones) because they are built using microscopic transistors that only have two states: ON (1) or OFF (0).

What happens if I type an invalid character?

The calculator is strictly typed. If you attempt to type a '9' into the Octal field (which only accepts 0-7), or a 'G' into the Hexadecimal field (which only accepts 0-9 and A-F), it will simply ignore the invalid input.