HyperTeamsNumber Base Converter
Convert numbers between decimal, binary, hexadecimal, octal, and Roman numerals.
Decimal (10)
42
Binary (2)
101010
Hexadecimal (16)
0x2A
Octal (8)
0o52
Roman Numerals
XLII
How to Use Number Base Converter
- Enter a number in the input field
- Select the input format (Decimal, Binary, Hex, Octal, or Roman)
- Click Convert to see results in all number bases
- Copy any result using the copy button
Supported Number Systems
- Decimal (Base 10) - Standard number system using digits 0-9
- Binary (Base 2) - Computer number system using only 0 and 1
- Hexadecimal (Base 16) - Uses 0-9 and A-F, common in programming
- Octal (Base 8) - Uses digits 0-7, used in Unix permissions
- Roman Numerals - Ancient number system using letters (I, V, X, L, C, D, M)
Features
- Convert between all number bases instantly
- Roman numeral support (1-3999)
- Copy results with one click
- Works entirely in your browser - no data is sent to any server