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Quick access from your home screenTo convert decimal to binary, type the number below and the result appears instantly. Example: 45 in decimal equals 101101 in binary.
| Decimal | Binary |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 11 |
| 4 | 100 |
| 5 | 101 |
| 6 | 110 |
| 7 | 111 |
| 8 | 1000 |
| 9 | 1001 |
| 10 | 1010 |
| 15 | 1111 |
| 16 | 10000 |
| 32 | 100000 |
| 64 | 1000000 |
| 100 | 1100100 |
| 255 | 11111111 |
| 256 | 100000000 |
| 1000 | 1111101000 |
Repeatedly divide the number by 2 keeping each remainder, then read the remainders from bottom to top. Example: 45 in decimal = 101101 in binary.
Base 10: the allowed digits are 0 1 2 3 4 5 6 7 8 9.
No. The conversion runs entirely in your browser and nothing is sent to a server.
All Number Systems conversions · The full tool in Zayenha Tools