Emacs: Convert Hexadecimal to Decimal

Here's how to convert hexadecimal/decimal in emacs, interactively.

Decimal to Hexadecimal

To convert Decimal to Hexadecimal, just type the decimal number, then Alt+x eval-last-sexp

emacs prints result in Emacs: Messages Buffer

Sample output:

255 (#o377, #xff)

means 255 in hexadecimal is ff

Hexadecimal to Decimal

To convert Hexadecimal to Decimal, type #x followed by the hexadecimal, then Alt+x eval-last-sexp

emacs prints result in Emacs: Messages Buffer