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Convert Decimal to Binary
Base 10 to base 2 number converter
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Common Values Reference
| Decimal (Base 10) | Binary (Base 2) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 4 | 100 |
| 7 | 111 |
| 8 | 1000 |
| 9 | 1001 |
| 10 | 1010 |
| 15 | 1111 |
| 16 | 10000 |
| 31 | 11111 |
| 32 | 100000 |
| 63 | 111111 |
| 64 | 1000000 |
| 127 | 1111111 |
| 128 | 10000000 |
| 255 | 11111111 |
How to Convert Decimal to Binary
To convert a Decimal (base 10) number to Binary (base 2): first express the number in decimal, then convert to base 2 by repeatedly dividing and collecting remainders.