RealWorth.io
See what money means through history and everyday life
About
What did $100 mean to someone a century ago? How big is a billion dollars? RealWorth.io makes these questions easier to explore with free calculators, interactive charts, maps, and 3D visualizations.
Compare purchasing power across time in six countries. Where historical data is available, put amounts into context through wages and everyday purchases. Explore the physical scale of a billion dollars, follow global money flows, or examine the security features of a $100 bill in an interactive 3D view.
Built for curious readers, students, teachers, and history enthusiasts, RealWorth.io connects financial numbers with things people can picture and understand. It combines historical calculations with visual explanations, bringing everyday context to inflation and large sums of money.
Everything runs in your browser, with no account or subscription required. Published sources and methodology explain how comparisons are calculated and where historical estimates have limitations.