From binary to hexadecimal and beyond, Wolfram|Alpha has a powerful algorithmic understanding of non-decimal number systems. Use our computational understanding to convert between different number bases or to do computations in both a single non-decimal base or with a mix of different bases.
Convert numbers to and from their representations in a wide variety of bases and numeral systems.
Convert a decimal number to another base:
Convert a number in a given base to decimal:
Convert a number from one base to another:
Convert C-notation hexadecimal numbers to decimal:
Perform computations in a specified base system or with a mix of bases.