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数値基数変換機

2進数、8進数、10進数、16進数間で数値を変換

Input Number

Number Base Converter — Binary, Octal, Decimal, Hex

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) instantly. Essential for computer science, networking, and embedded programming.

FAQ

How do I convert decimal to binary?

Repeatedly divide by 2 and record the remainders from bottom to top. Or just paste the decimal number here for an instant result.

What is hexadecimal used for?

Hexadecimal (hex) is used in memory addresses, color codes (#FF5733), byte values in network protocols, and low-level programming. One hex digit represents 4 binary bits.

What does 0x mean?

'0x' is a prefix indicating a hexadecimal number in most programming languages. 0xFF = 255 decimal.

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