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 Message Thank you! Oops! Related Content Preparing for the Expected You can plan ahead to protect yourself and your family against the financial consequences of deteriorating health. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.