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