Binary / Decimal / Hex Converter
Convert numbers between binary, decimal, and hexadecimal.
Enter a value in any base and instantly see all conversions.
Conversion Results
Number Base Systems:
- Binary (Base 2): Uses digits 0 and 1. Used by computers internally.
- Decimal (Base 10): Uses digits 0–9. Standard human number system.
- Hexadecimal (Base 16): Uses digits 0–9 and A–F. Common in programming and color codes.
Conversion examples:
- Decimal 255 = Binary 11111111 = Hex FF
- Decimal 42 = Binary 101010 = Hex 2A
- Decimal 16 = Binary 10000 = Hex 10
How to convert manually:
- Decimal to Binary: Repeatedly divide by 2, record remainders
- Decimal to Hex: Repeatedly divide by 16, record remainders
- Binary to Decimal: Multiply each digit by 2^position, sum all