tooljar

    Number Base Converter

    Convert numbers between binary, octal, decimal, and hexadecimal systems

    Binary (Base 2)
    Octal (Base 8)
    Decimal (Base 10)
    Hexadecimal (Base 16)

    How to Use

    1. Enter the number you want to convert
    2. Select the base of your input number
    3. Select the target base for conversion
    4. View the converted result and all base representations

    Frequently Asked Questions

    What are the different number bases?

    Binary (base 2) uses 0-1, octal (base 8) uses 0-7, decimal (base 10) uses 0-9, and hexadecimal (base 16) uses 0-9 and A-F. Each base represents values using different sets of digits.

    Why are different number bases used?

    Binary is used in computing because computers use on/off states. Hexadecimal is common in programming for colors and memory addresses. Octal is used for Unix file permissions.