Convert numbers between binary, octal, decimal, and hexadecimal formats
Number Base Converter
Number Base Converter
Convert between binary, octal, decimal, and hex
Conversion Results
All base representations
Enter a number in any base to convert
Auto-converts as you type
Handles positive integers. Type in any field to auto-convert to all other bases. Hexadecimal uses uppercase letters (A-F). Common uses: binary for bitwise operations, octal for Unix permissions, hex for color codes.