進数計算ツール

2進数、8進数、10進数、16進数システム間で数値を変換します。AND、OR、XOR、NOT、ビットシフトを含むビット演算を実行。

Input Number

Input Base

Quick Reference

Binary (base 2)
0, 1 only
Prefix: 0b

Octal (base 8)
0-7 only
Prefix: 0o

Decimal (base 10)
0-9
No prefix

Hex (base 16)
0-9, A-F
Prefix: 0x

Number Systems & Bitwise Operations - 技術的な詳細

Understanding number systems is essential for low-level programming, networking, and debugging. Bitwise operations are used for flags, permissions, masks, and optimization in systems programming.

コマンドラインでの代替方法

# Convert in terminal (bash)\necho $((2#1010))  # binary to decimal\nprintf '%x\\n' 255  # decimal to hex\nprintf '%d\\n' 0xFF  # hex to decimal\necho $((16#FF))  # hex to decimal