Binary to Decimal
Convert binary To decimal
Conversion formula and examples
The value stays the same; only its representation in a number base changes. The table shows the same integers written in both bases.
Source base: 2. Target base: 10.
| Source value (binary) | Result (decimal) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 10 | 2 |
| 1000 | 8 |
| 1010 | 10 |
| 10000 | 16 |
| 11111111 | 255 |
About this tool
Convert integers from binary to decimal. See worked examples and a conversion table for these number bases.
Frequently asked questions
How do I convert binary to decimal?
Enter the source value in the first field and select Convert. The heading shows the conversion direction. Use the formula and examples on this page to check the result.