基数変換器

Convert numbers between binary, octal, decimal, and hexadecimal (base 2, 8, 10, 16) with our free Number Base Converter. Essential for computer science students, programmers, and anyone working with low-level programming, digital electronics, or network addressing.

使い方

1. 1Enter a number in any of the four base fields (binary, octal, decimal, or hex).
2. 2All other representations are updated instantly.
3. 3No need to select a source format — just type in the field you know.
4. 4Copy any result with the copy button.

主な機能

• ✓Converts between binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16)
• ✓All bases update simultaneously as you type
• ✓Handles large integers
• ✓Shows prefix format (0b for binary, 0x for hex)
• ✓Free and instant

よくある質問