What is Number Base Converter?
All computer data is stored as binary. Hexadecimal provides a compact representation — one hex digit maps to exactly 4 binary bits. Octal is used in Unix file permissions. This converter handles all four bases simultaneously.
How to Use Number Base Converter
- Enter a number in any base field.
- All equivalent representations update instantly.
Frequently Asked Questions
Why is hex used in computing?
One hex digit (0-F) maps to exactly 4 binary bits — compact and human-readable for memory addresses, color codes, and byte values.
What does 0xFF mean?
0xFF = 255 decimal = 11111111 binary. The 0x prefix denotes a hex literal in most programming languages.