Letter Types
Generator
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36. Perfect for programmers and students.
Uses digits 0-9. The standard number system used by humans.
Result will appear here...
Uses digits 0-1. Common in computing and digital electronics.
Common Values Reference
| Decimal | Binary | Octal | Hex |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 |
| 8 | 1000 | 10 | 8 |
| 10 | 1010 | 12 | A |
| 15 | 1111 | 17 | F |
| 16 | 10000 | 20 | 10 |
| 32 | 100000 | 40 | 20 |
| 64 | 1000000 | 100 | 40 |
| 128 | 10000000 | 200 | 80 |
| 255 | 11111111 | 377 | FF |
Quick Examples
Number Systems
Binary (Base 2)
Foundation of digital computing
Octal (Base 8)
Compact representation of binary
Decimal (Base 10)
Standard human counting system
Hexadecimal (Base 16)
Used for colors and memory addresses
Conversion Tips
- Binary groups of 3 = Octal digit
- Binary groups of 4 = Hex digit
- Powers of 2 are round in binary
- 0x prefix = hex, 0b = binary
- A=10, B=11, C=12... in hex