Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Life and Death of a Twenty Dollar Bill How long does a $20 bill last? The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Risk Perspective Is it possible to avoid loss? Not entirely, but you can attempt to manage risk.