Number Base Converter
Convert between hexadecimal, decimal, binary, and octal
Hexadecimal (Base 16)
Decimal: 255
Binary: 11111111
Octal: 377
Decimal (Base 10)
Hex: FF
Binary: 11111111
Octal: 377
Binary (Base 2)
Decimal: 255
Hex: FF
Octal: 377
Octal (Base 8)
Decimal: 255
Hex: FF
Binary: 11111111
Common Values
| Dec | Hex | Bin | Oct |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 |
| 2 | 2 | 10 | 2 |
| 8 | 8 | 1000 | 10 |
| 10 | A | 1010 | 12 |
| 15 | F | 1111 | 17 |
| 16 | 10 | 10000 | 20 |
| 32 | 20 | 100000 | 40 |
| 64 | 40 | 1000000 | 100 |
| 127 | 7F | 1111111 | 177 |
| 128 | 80 | 10000000 | 200 |
| 255 | FF | 11111111 | 377 |
| 256 | 100 | 100000000 | 400 |
| 1024 | 400 | 10000000000 | 2000 |
Hexadecimal Digits
00
11
22
33
44
55
66
77
88
99
A10
B11
C12
D13
E14
F15
Base Prefixes
- 0x or 0X - Hexadecimal (e.g., 0xFF)
- 0b or 0B - Binary (e.g., 0b1010)
- 0o or 0 - Octal (e.g., 0o755 or 0755)
- No prefix - Decimal
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