Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports big numbers. Instant conversion with bit analysis.
1111 1111Copy377Copy255CopyFFCopyInteractive BitsClick to toggle
Quick Reference Table
| Dec | Hex | Oct | Binary | ASCII |
|---|---|---|---|---|
| 0 | 0 | 0 | 0000 | - |
| 1 | 1 | 1 | 0001 | - |
| 8 | 8 | 10 | 1000 | - |
| 10 | A | 12 | 1010 | - |
| 16 | 10 | 20 | 0001 0000 | - |
| 32 | 20 | 40 | 0010 0000 | |
| 48 | 30 | 60 | 0011 0000 | 0 |
| 65 | 41 | 101 | 0100 0001 | A |
| 97 | 61 | 141 | 0110 0001 | a |
| 127 | 7F | 177 | 0111 1111 | - |
| 128 | 80 | 200 | 1000 0000 | - |
| 255 | FF | 377 | 1111 1111 | - |
| 256 | 100 | 400 | 0001 0000 0000 | - |
| 1024 | 400 | 2000 | 0100 0000 0000 | - |
Ctrl+C to copy decimal value
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