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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.