A GURPS $ is worth 1.27 D&D 5e SP, which is interesting because in GURPS Dungeon Fantasy, the typical $1 coin is a silver piece. And a D&D GP is worth about $7.87 in GURPS. So, where does that come from? A while back, I cautioned someone considering using (among other things) GURPS Renaissance Venice: Merchants of Venice in a non-GURPS game that prices listed in the extensive lists of trade goods were expressed in GURPS $, which might not have obvious conversions into other game systems. But if one wanted to convert GURPS prices into D&D or vice versa, how would that work? It crossed my mind to take a "basket of goods" approach. Economists measure inflation not by picking a single commodity, like the price of gold or oil or wheat, and seeing how that changes over time, but by taking the combined value of a set of common commodities. This provides a more comprehensive picture of the cost of living. Perhaps gas becomes less expensive while the price of whe...