Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal in real time
Edit any field — the others update automatically
Quick Reference
| Dec | Hex | Oct | Bin |
|---|---|---|---|
| 0 | 0 | 0 | 0000 |
| 1 | 1 | 1 | 0001 |
| 2 | 2 | 2 | 0010 |
| 3 | 3 | 3 | 0011 |
| 4 | 4 | 4 | 0100 |
| 5 | 5 | 5 | 0101 |
| 6 | 6 | 6 | 0110 |
| 7 | 7 | 7 | 0111 |
| 8 | 8 | 10 | 1000 |
| 9 | 9 | 11 | 1001 |
| 10 | A | 12 | 1010 |
| 11 | B | 13 | 1011 |
| 12 | C | 14 | 1100 |
| 13 | D | 15 | 1101 |
| 14 | E | 16 | 1110 |
| 15 | F | 17 | 1111 |
How to use:
- • Type a number in any field — all other bases update instantly
- • Binary accepts only 0s and 1s, Hex accepts 0-9 and A-F
- • Click Copy next to any field to copy that representation
- • The bit visualization helps you understand binary representation
- • Use the quick reference table for the 0-15 mapping
❓Number Base Converter FAQ
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