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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Infographic: Playing the Odds With Your Future? Plan for the things you can protect against, like a loss of income due to illness or injury. Estimate Your Health Care Costs in Retirement Studies show that health care concerns are the top of the list for Americans planning their retirements.