How is the answer worked out?

Each round takes a documented historical price and multiplies it by today's Consumer Price Index divided by the CPI of the price's year · the standard way economists convert old money into today's money. The game shows you the multiplier.

Are the old prices real?

Yes · they are widely-cited average US prices for their year (a loaf of bread, a movie ticket, a gallon of gas, a new car, and so on), and the CPI figures come from the US Bureau of Labor Statistics.

Why is a 1950 dollar worth so much more now?

Because prices have risen almost every year since, and the increases compound. The US CPI has multiplied roughly thirteen-fold since 1950, so a 1950 dollar buys about what thirteen dollars buy today.

Is this in US dollars?

Yes · the prices and the CPI are American, so the figures are in US dollars. The underlying idea · that inflation makes old money worth more in today's terms · is the same everywhere.

Does it work offline?

Yes. PlayMemorize is a Progressive Web App, so Inflation keeps working without a connection once the page has loaded.

Inflation · Nederlands

Geld ging vroeger veel verder. Elke ronde toont een echte Amerikaanse prijs van decennia geleden · raad wat het vandaag waard is.

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Een brood kostte $0,12 in 1950. Wat is dat vandaag waard?

Historische prijzen en de CPI zijn afkomstig van het Amerikaanse Bureau of Labor Statistics. Zie de bron

Tip: Een eeuw van inflatie telt snel op · een dollar uit 1950 is meer waard dan tien dollars van vandaag.

Guess what real historical prices are worth in today's money, computed from the US CPI. JavaScript required.

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