2進数変換ツールです。10進数から2進数、2進数から10進数へすばやく変換でき、対応する16進数も確認できます。
This binary converter instantly switches a whole number between decimal, binary, octal, and hexadecimal.
How to convert a number in 3 steps:
- Enter your number into any one of the four fields (decimal, binary, octal, or hex).
- The other three number systems update automatically.
- Copy the result you need with the copy button next to each field.
This page is useful for decimal to binary, binary to decimal, binary to hex, hex to binary, and quick base conversion in programming, electronics, networking, and study.
初期データ
任意の欄に値を入力すると、他の基数が自動的に更新されます。
変換例
\begin{align}
110_{2} &= 1\times2^{2}+1\times2^{1}+0\times2^{0}=6_{10} \\
\\
6_{10} &= 110_{2}:\\
\end{align}
6 / 2 = 3, 余り 0, (LSB - Least Significant Bit)
3 / 2 = 1, 余り 1
1 / 2 = 0, 余り 1, (MSB - Most Significant Bit)
3 / 2 = 1, 余り 1
1 / 2 = 0, 余り 1, (MSB - Most Significant Bit)
2進数早見表
| 10進数（正の数） | 2進数 |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 11 |
| 4 | 100 |
| 5 | 101 |
| 6 | 110 |
| 7 | 111 |
| 8 | 1000 |
| 9 | 1001 |
| 10 | 1010 |
| 10進数（正の数） | 2進数 |
|---|---|
| 11 | 1011 |
| 12 | 1100 |
| 13 | 1101 |
| 14 | 1110 |
| 15 | 1111 |
| 16 | 10000 |
| 32 | 100000 |
| 64 | 1000000 |
| 128 | 10000000 |
| 256 | 100000000 |